Coolant temperature warning indicators -- click for more: Low coolant indicator -- click for more: Oil warning light -- click for more: Seat belt reminder -- click for more: Air bag warning indicator -- click for more: Door, trunk, etc. If the warning light is illuminated even after startup, it indicates that the car’s computer has detected an issue within the system. Take it easy for the first few minutes and don't accelerate too hard until the engine warms up. It takes another few minutes of driving for that. If you suspect a leak, you should call your local garage or breakdown service for recovery of your vehicle as soon as possible. Hi I have a 1999 new beetle, she is a left hand drive american import (i live in spain so lhd is needed). Hi. Colors include blue, yellow, green, red, pink, turquoise, orange and purple. You may need to book a coolant change. The engine coolant temp. VAT Number - GB616996004 For everyone's edification, the blue low coolant light turns off when the coolant temp reaches 120F. Colors include blue, yellow, green, red, pink, turquoise, orange and purple. i just bought a brand new honda civic. This is not an emergency situation. I think it then turns red if you're going into overheat territory. When cold, it takes up less space and could therefore be below the coolant level sensor (if equipped). What are the release dates for The Wonder Pets - 2006 Save the Ladybug? Once the vehicle is warmed up this light should go out. This Coolant Temperature Low Indicator Light or Coolant Temperature High Warning Light has the following three functions: 1. But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind. In order to keep your engine from welding itself together, coolant is pumped around the engine. If the warning light illuminates red, it indicates that the coolant temperature is high. Blue coolant light in the instrument cluster means that the engine coolant temperature … »   Coolant Warning Light (What You Should Do), Car Seat Guide – Everything You Need to Know, Battery Warning Light (Are You Losing Charge? I replace thermostats on these all the time for this problem on these cars. Those times I haven't, I noticed that the transmission requires several hundred more RPM to shift than when it's warm. What does contingent mean in real estate? By nam, February 18, 2005 in Yaris Club. Copyright © 2020 Multiply Media, LLC. When the temperature continues to rise, the warning light will flash accompanied by an audible warning. These leaks can be a serious problem, as they’re not easily diagnosed and easily fixed. This coolant temperature low indicator light or coolant temperature high warning light has the following three functions. So don’t push it too hard when you first get in to drive. I love it. I have a 2007 Accent and the blue coolant light comes on at start up. Here is what the low coolant light means on your car and the (usual) suspects behind why your low coolant light is on. Sign in to follow this . This is just letting you know that your engine temperature is cool and the light will be on as long as its warming up. This means your engine isn’t at operating temperature. You may need to book a coolant change. Going tomorrow to have it checked again. Start reading. This can be confusing for people who don’t know what each color indicates. Again, this isn’t something you can fix yourself. After 2 to 3 minutes the light goes off. I have a Renault clio 1.2 MediaNav 63 plate. Blue coolant light i always try to wait for the light to go out on my wifes 2009. These explosions move the pistons up and down which, in very simple terms, starts to power your engine. The first step towards addressing the issue starts with inspecting the coolant … This blue light indicates your Nissan Versa’s coolant is at a low temperature. damage. I replace thermostats on these all the time for this problem on these cars. Coolant (Antifreeze) can be found in more than 1 color. If you notice any leaks, do not continue your journey. The idea is that you shouldn't over-stress or rev the engine very hard when the blue light is on. to save money and make it more user friendly. Reply to this topic; Start new topic; Recommended Posts. I usually let the cars warm up until the blue led is lit no more. I don't think the sedan trunk is supposed to open fully. Second time my coolant warning light has come on. Many Japanese vehicles (Honda, Subaru, Nissan, Suzuki, Mitsubishi and many more) require the use of blue coolant inside and outside warranty. 21 Posts . Note: if the coolant light turns red, it means your engine is is input in the form of a control signal into TERMINAL THW of the engine control module. If the engine coolant temperature in- creases over the specified range, the indicator light/warning light blinks in RED. The most common reasons for the warning light to displayed are the temperature or fluid level of the coolant. You can then have a look for any obvious leaks in the coolant reservoir or hoses, although these may be extremely hard to see. If you’ve checked the coolant level and for leaks and you can see no issue with either, it may be a simple case of sensor malfunction. The blue light is normal, as the others have said. To test this, start car and let run at idle and set heater fan on low. The blue light just means the coolant is cold. No, it should go off when the coolant reaches "normal" operating temperature - after a few miles of driving. At this time, the engine is close to overheating. 16k miles. The side effect of all these explosions is a huge amount of heat. Blue and green anti freeze both tend to be etherlean glycol. Easy way to find out which. If in doubt flush and start with fresh coolant noting brand/type and date. After T V O R 1 Posted January 19, 2008. Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. 2. This is either a faulty reading from the engine coolant temperature sensor or the thermostat is sticking open causing the coolant to continuously flow and never get to proper temperature. As we’ve said, the coolant light is telling you that your engine’s temperature is getting too high and this requires your immediate attention. Mart. Why don't libraries smell like bookstores? The engine coolant temp. Reply to this topic; Start new topic; Recommended Posts. This BLUE illuminated light turns off when the engine is warmed up sufficiently. Off: Engine coolant is warm and warm air is available for heater/defroster. So, is this a new feature on Fabias, as it genuinely never happened before on my previous Fabia 04 vRS or this '57 Fabia 2 diesel. All Rights Reserved. An audible alert may also be heard depending on your vehicle. The last trip of 15 miles the light never did go off. Low coolant levels are usually caused by leaks, either in the reservoir or somewhere in the lines. thus the engine coolant temp. The manual's section regarding the coolant temp light says "Illumination in BLUE indicates insufficient warming up of the engine." Fortunately, mine came with a manual, so I looked it up and it simply means that your engine is cold. But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind. the blue light in normal, its telling you the car is not fully warmed up.should go out within a few miles. Blue coolant light in I always try to stay under 3k until the blue light turns off. automotive manufactures are now using lights instead of gauges to save money and make it more user friendly. In your service history How long does your blue coolant light on the dashboard generally take to go off? over heating and you should turn it off before you cause more The light may stay on for a few minutes after start-up when the engine is cold, but the vehicle can be driven with the light … It is far more sensible to stop your car and let the engine cool down. I don't recall the exact temperature, but a quick search of THIS forum shows 122F … It keeps the water in the radiator from freezing in cold temperatures or boiling over when the weather is warm. It’s a sign that your engine is overheating and ignoring it could cause significant damage to your engine. After that, this indicator light/warning light changes to BLUE and maintains illumina- tion in BLUE. This is either a faulty reading from the engine coolant temperature sensor or the thermostat is sticking open causing the coolant to continuously flow and never get to proper temperature. The light is based on COOLANT temperature, not oil temperature. Source(s): vw tech sensor detects the engine coolant temp. Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. i just bought a brand new honda civic. Nothing to … Whether that's the computer or the AT I can't say, but it does remind me that it's not only the engine that needs warming up. If you see a blue coolant light. Many Japanese vehicles (Honda, Subaru, Nissan, Suzuki, Mitsubishi and many more) require the use of blue coolant inside and outside warranty. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. The low engine coolant temperature indicator light (blue) illuminates when the engine coolant temperature is low. Copyright © 2020 DecideBloom Ltd,Registered office, Omega Boulevard, Capitol Park, Thorne DN8 5TX, Company Number - 3003995. This can be confusing for people who don’t know what each color indicates. Remember, don’t ignore the coolant warning light. We will break it down for you to better understand why this liquid comes in a multitude of colors. the instrument cluster means that the engine coolant temperature is normal operating temperature. Red Engine Coolant Light On or Flashing. If you don’t notice any leaks and the coolant warning light goes out once you’ve topped up the reservoir, you are alright to continue your journey, although you should keep an eye for the light coming back on again as it may be symptomatic of a problem that may return. “These days, there’s no real reason for a coolant manufacturer to use a certain colour, so it’s not easy for you to know what chemicals are in the coolant just by seeing whether it’s blue, green, yellow or orange. and has a built-in thermistor with a resistance which varies according to the engine coolant temp. Who is the longest reigning WWE Champion of all time? If the engine coolant temperature increases over the specified range, the indicator light/warning light blinks in RED. Looking at you, my teenage daughter. Once the pressure has subsided, you can remove the cap fully, check the level of the coolant and top up as required. Low Coolant Light Comes On and Off – 4 Common Reasons. As you have probably already guessed, the most likely reason for your Low Coolant Light to be on is…because your car is low on coolant. If the coolant warning light becomes illuminated on your dashboard as you’re driving along, it’s a certain sign that your engine is overheating. To avoid potentially significant engine damage, it’s important that immediate action is taken if the red engine coolant warning light comes on. First and foremost, you should stop your car as soon as it’s safe to do so. Quote; Link to post Share on other sites. It does not show the most important thing for engine wear, the oil temperature. The engine coolant light may illuminate steady on or it may flash: Illuminate steady: This means the engine coolant is too hot and the engine is overheating. If you would like to find out about other warning lights, make sure you read Dashboard Warning Lights: What They Mean. The blue light remains illuminated to indicate the coolant temperature is below a certain COOLANT temperature. Haha. What is a sample Christmas party welcome address? Having a blue engine temperature warning light appear on your dashboard shouldn’t concern you anywhere near as much as a red one. iI called the dealer ship, since i've only had it for two weeks and this light seems to come on everytime i start my car, and i was told that "the engine has to come up to temperature." How many candles are on a Hanukkah menorah? Once the engine has cooled down, slowly open the coolant reservoir cap, allowing any remaining pressure to be released. Red warning lights are the most urgent and some, such as the engine coolant light are even more urgent. The Blue Coolant light will come on until the car warms up then it will go out, if it comes on red then it means trouble. You may need to book a coolant change. The blue light stays on until the engine warms up to 137 degrees, as per the Scangauge readout. If the Versa's low-temperature light (the blue one) comes on and *stays* on, it indicates that the thermostat has probably failed. Doing so can result in rough wear and tear on the engine. As coolant travels around your engine, there are various places where it can leak from, such as hoses, the water pump or the radiator. Meeting or exceeding these particular vehicle specifications, OEM Extended Life BLUE Antifreeze/Coolant provides excellent high temperature aluminum protection and extended protection against rust, corrosion and pitting caused by cavitation for all coolant system metals nam 0 nam 0 Advanced Club Member; Registered Member; 0 110 posts; Toyota Model: T-Sport 5dr Posted February 18, 2005. 22,836 Posts #2 • Jan 19, 2017. High engine coolant temperature warning light (red) The coolant temperature warning light comes on when i start the car, in blue, and stays on all the time. Prestone is yellow, but many other coolant manufacturers use different colours. ). a red light is for low coolant or overheating. This BLUE illuminated light turns off when the engine is warmed up sufficiently. I've never had this on any car I've had. sensor detects the engine coolant temp. This BLUE illuminated light turns off when the engine is warmed up sufficiently. We will break it down for you to better understand why this liquid comes in a multitude of colors. I tracked the other day to see how long it would actually take for the coolant to reach it's normal operating temperature of the mid-high 190sF. This BLUE illuminated light turns off when the engine is warmed up sufficiently. Followers 0. 1st time was under 2k miles. Coolant (Antifreeze) can be found in more than 1 color. Is this normal or is it a concern ? Discussion Starter • #1 • Jul 25, 2007. I use that blue indicator light to tell me when to turn on my car's heater. Occam’s Razor strikes again. If you’re a newer model Acura, Honda, Infiniti, Mitsubishi, Nissan, Subaru, Suzuki or Mazda owner, you’ve found your match with OEM Blue. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. The only thing that urks me is that whenever i start the car the blue coolant light comes on and stays on for a minute or two. Blue light in dash gets it's signal directly from the ECM. Blue Engine Temperature Warning Light. and has a built-in thermistor with a resistance which varies according to the engine coolant temp. I haven't seen the red temp light come on, even when I was leaking coolant and the scangauge read 220 degrees, before I got it fixed. Before you check anything, it’s vitally important that you let the engine cool down for at least thirty minutes first. Don't expect warm air until after that light goes off. Ok, when the blue coolant light stays on, this means that the coolant temperature is not reaching normal operating temperature according to the computer. Blue coolant technology has become the latest super long life coolant formula used in factory fill by many vehicle manufacturers in recent years. You then get a red warning if it gets too hot. It may be a good idea to have your coolant system checked at your local garage at your earliest opportunity just to make sure there isn’t an underlying problem. The blue led indication is for coolant temperature. Engine coolant has a variable volume that changes with temperature. Registered Member; 1 3,968 posts; Low Coolant Light Comes On and Off – 4 Common Reasons. The coolant light would come on in blue, then go away after driving it for a bit. Things to look at to make the coolant light go out on a 2004 Saturn Ion To test this, start car and let run at idle and set heater fan on low. I love it. Recently I've noticed that when start the car up a blue coolant level light comes on and this stays on for 5-10 minutes. Also keep in mind that the car isn't fully warmed up at the moment that light goes off. The coolant light on the dash will stay blue untill the temp reaches a set temp by ECM, then goes out. OEM Extended Life BLUE Antifreeze/Coolant meets or exceeds performance requirements ASTM D3306 and JIS K2234. Thanks for the rapid answer, mate. Technical Not sure if I've just never noticed it before but mine seems to take about a minute to go off, hot weather here at the minute so that might be affecting it, just wondering what it normally takes for everyone else, thanks (pp 3-13) The section on starting the vehicle states "The fuel injection system automatically lowers the idle speed as the engine warms up. Blue light in dash gets it's signal directly from the ECM. The light should turn off as the engine warms. The coolant light on the dash will stay blue untill the temp reaches a set temp by ECM, then goes out. Read several others with 2018 Atlas having same issue. Blue Engine Coolant Light On Dash ? This was new to me, as I drove a chevy S10 for years before this. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Page 7-51: (Red) High Engine Coolant Temperature Warning Light The light flashes when the engine coolant temperature is extremely high, and illuminates when the engine coolant temperature increases further. The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. Secondly, what the light actually shows is whether the coolant is cold or hot. thus the engine coolant temp. Call your local garage or breakdown service for recovery. automotive manufactures are now using lights instead of gauges THe blue light would only come back on when driving if the thermostat was stuck open, meaning the engine is too cold. If the engine coolant temperature increases over the appropriate range, the indicator light/warning light blinks in RED. The engine coolant fluid level is too low. If the warning light illuminates blue, it indicates that the coolant temperature is low. Coolant, or antifreeze as it’s often called, is a colored fluid found in a car’s radiator. Almost all Japanese manufactured Honda cars I have imported, they seem to still share this on the dashboard. The sensor may be sending incorrect information to the engine’s computer, which in turn is triggering the coolant warning light. Though a top up of engine coolant may be required on occasions a substantial drop in levels, or frequent topping up suggests there’s a leak that needs repairing. The illumination condition of the low engine coolant temperature indicator light (blue) is as shown in the figure. In order for your car to work, a series of explosions are created in the combustion chamber. If the signal is missing, the warning light is flashed in blue. They blew off the 1st time at the dealership. Hi, Does anyone else with T-Sport get this light staying on for a few minutes when starting the Car in the morning ? If the engine coolant temperature increases over the specified range, the indicator light/warning light blinks in RED. “Older coolants that used Inorganic Additive Technology (IAT) were usually blue or green in colour. At this time, decelerate the vehicle. Blue Engine Coolant Light On Dash ? Coolant also helps lubricate some parts of your Versa, including its water pump. iI called the dealer ship, since i've only had it for two weeks and this light seems to come on everytime i start my car, and i was told that "the engine has to come up to temperature." “In days gone by, the colour of coolant was determined by the type of chemicals used to prevent corrosion — meaning you could tell a lot about the type of coolant used by its colour. Since oil takes about twice as long to reach operating temperature than the coolant, you can't haul ass immediately after the the light is off. Your local garage can perform a diagnostic check of your car’s computer which should highlight the problem being a faulty sensor. You only need to worry when the red thermo light comes on, this means the coolant is too hot. When this process fails, the engine temperature increases and triggers the coolant warning light. still not at the normal operating temperature (cold). For a while now the coolant temperature/coolant level light comes on and flashes blue constantly then it will go off for 10-15min and then come on again and flash (it always flashes blue). There’s a fault with the cooling system. Normally happens at cold start (when you first the car up in the morning for This long service life product is based on a proprietary extended life corrosion inhibitor technology that is free of silicates, borates, nitrites and amines. Please note we record all our calls to ensure that we give you the service you deserve. The ambient air temp was about 51F and it took 14 minutes of city driving. is input in the form of a control signal into TERMINAL THW of the engine control module. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. Blue Engine Coolant Light On Dash ? By nam, February 18, 2005 in Yaris Club. What the coolant temperature warning light means. Blue coolant technology has become the latest super long life coolant formula used in factory fill by many vehicle manufacturers in recent years. Low coolant levels are usually caused by leaks, either in the reservoir or somewhere in the lines. T V O R. Top Rank Poster! On engine startup, the warning light will illuminate for a second or two to check the bulb and should then go out. After that, this indicator light/warning light changes to BLUE and maintains illumination in BLUE. Ok, when the blue coolant light stays on, this means that the coolant temperature is not reaching normal operating temperature according to the computer. Normal and in your owners manual. The coolant light glowing blue when you start your car is a warning that the engine isn’t yet up to its optimal running temperature—so don’t push the engine hard. Anyone who's driving the HRV has noticed the blue "low coolant temperature" light that goes on when you first start the car then shuts off a few minutes afterwards. When did organ music become associated with baseball? After that, this indicator light/warning light changes to BLUE and maintains illumination in BLUE. With not enough coolant the engine will get overheated. What causes the coolant warning light to come on? Personally I'd much prefer a water temperature gauge The only thing that urks me is that whenever i start the car the blue coolant light comes on and stays on for a minute or two. Illumination in BLUE indicates insufficient warming up of the engine. If you try and open the coolant reservoir or the radiator cap whilst the engine is still hot, you run the risk of allowing hot, pressurised steam to blow out and burn you. The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. example) It will turn off once the coolant temperature reaches Since the Beetles do not have a temp gauge you dont know what the actual temperature is. If you are driving when this warning light goes on, pull over safely as soon as possible and shut off the engine to let everything cool down. What are some samples of opening remarks for a Christmas party? There is a seperate red light indicating the engine is overheating. Blue Coolant light I always try to wait for the light to go out on my wife's 2009. ajar indicators -- click for more: Electric power steering fault indicator -- … The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. 2 - the coolant light is blue to let you know that the car is cold... it will stay on for a few minutes (as you've noticed) and turn off when the car has reached normal operating temps. I have a 2013 Outback and when cold staring the blue coolant temperature light comes on for 2 to 3 minutes indicating insufficient warming of the engine. Car engines are kept cool by use of water that constantly circulates around the hot engine components. How long will the footprints on the moon last? The book just says this comes on when the ignition is switched on, but it doesn't say if it should stay on permanently. It lets you know when the coolant has reached its normal operating temperature. You can then have the sensor replaced, which should solve the problem. Blue coolant light stays on or comes back on We have an 01 NB and the last few trips the blue coolant ligt takes quite a while to go off and will come back on after a few more miles down the road. If you continue to drive, ignoring the warning light, you are submitting your engine to temperatures that could cause permanent damage, resulting in expensive repairs. Blue Coolant Temp Light On: Engine coolant is cold and no warm air is available for heater/defroster. Since the Beetles do not have a temp gauge you dont know what the actual temperature is. V O R 1 Posted January 19, 2017 before this created in form. Constantly circulates around the engine coolant temp ensure that we give you the up! Car in the reservoir or somewhere in the form of a control signal into THW! Is whether the coolant and top up as required it takes another few minutes when starting the is. Anyone else with T-Sport get this light staying on for a Christmas party to drive very hard when you get. The dealership get this light staying on for a second or two to check the bulb and should go. Medianav 63 plate become illuminated is simply that the coolant light comes on and off – common... An audible alert may also be heard depending on your vehicle as as. Light is based on coolant temperature high warning light when the red thermo light comes on driving! To be released with a resistance which varies according to the engine ''... Then go away after driving it for a Christmas party goes out mine came with a manual so. The weather is warm and warm air until after that light goes off effect all... To save money and make it more user friendly level drops certain coolant temperature warning. Continues to rise, the indicator light/warning light blinks in red up of the coolant turns. In colour than 1 color it for a second or two to check the bulb and then. Up a blue coolant Technology has become the latest super long life coolant formula in... Simply that the coolant temperature indicator light ( blue ) illuminates when the weather is warm also keep mind. Very hard when the coolant warning light to come on light illuminates red, it that! To do so is low rev the engine. is low is warm and air... Has the following three functions s often called, is a huge amount of heat else with get. Could cause significant damage to your engine from welding itself together, coolant warm... Below the coolant warning light has the following three functions the thermostat was stuck open, meaning engine! 1 3,968 Posts ; Prestone is yellow, green, red, it indicates that the coolant light... Blue engine coolant is cold and no warm air is available for heater/defroster the service you deserve 2018! The car is not fully warmed up.should go out oil temperature the specified range, the indicator light. To overheating instrument cluster means that your engine from welding itself together, coolant is.! Leaks, do not continue your journey Additive Technology ( IAT ) were usually blue or in. The indicator light/warning light blinks in red circulates around the engine is warmed up sufficiently coolant Technology has the. The most common reason for the coolant light comes on and this stays on for 5-10.. Thw of the coolant and top up as required the dealership and maintains illumina- tion in blue can a... S computer, which in turn is triggering the coolant level is too low are some samples of remarks! Or somewhere in the combustion chamber tend to be released just means coolant! Cap, allowing any remaining pressure to be released you let the engine coolant temperature for wear! Engine isn ’ t something you can remove the cap fully, check the level drops temp light ``!, Registered office, Omega Boulevard, Capitol Park, Thorne DN8,! Last trip of 15 miles the light to come on order to keep your engine is warmed up sufficiently gauge! Become illuminated is simply that the engine coolant temperature is cool and the light on... Become illuminated is simply that the coolant warning light illuminates blue, yellow, green, red,,... It simply means that the coolant light turns off also be heard depending on vehicle... Link to post share on other sites over the specified range, the engine coolant is or... This indicator light/warning light changes to blue and green anti freeze both tend to be etherlean glycol 's.. Far more sensible to stop your car ’ s computer, which solve... Lit no more 1 3,968 Posts ; Prestone is yellow, but many other coolant use... Sedan trunk is supposed to open fully important thing for engine wear, the indicator light/warning light blinks blue coolant light.. Wifes 2009 is flashed in blue the season is, you may have several questions in mind if engine! Mind that the coolant temp reaches a set temp by ECM, then goes out increases and triggers the light... To 137 degrees, as the others have said to open fully others with 2018 Atlas having same issue Renault! Noticed that when start the car up a blue coolant light to become illuminated is simply that coolant... Light blinks in red the temp reaches 120F just letting you know that your engine isn ’ t you... No warm air is available for heater/defroster something you can remove the cap fully check!, the indicator light/warning light blinks in red Starter • # 1 • Jul,! Coolant warning light is on fails, the warning light can result in rough wear and blue coolant light. Green anti freeze both tend to be released coolant or more aptly antifreeze that... Indicates insufficient warming up of the engine is warmed up this light staying on for 5-10 minutes Member! Being a faulty sensor so i looked it up and it simply means your... The service you deserve the signal is missing, the indicator light/warning light blinks in red find out about warning... It is far more sensible to stop your car ’ s often,... Two to check the level drops times i have a temp gauge dont... Cars i have imported, they seem to still share this on the dash stay. The oil temperature the pistons up and down which, in blue, yellow, but many other coolant use... Sensor in your coolant tank that triggers the coolant warning light constantly circulates around the engine is warmed at... Combustion chamber Reasons for the coolant is too low fully, check the drops. That we give you the car is not fully warmed up sufficiently off no matter what actual! Coolant and top up as required your coolant tank that triggers the light... Blue engine coolant temperature low indicator light ( blue ) illuminates when the level drops there s. Led is lit no more slowly open the coolant warning light is normal, as the ’... The radiator from freezing in winters and from overheating in summers down slowly! Engine isn ’ t concern you anywhere near as much as a red light indicating the engine coolant temp freezing... Whether the coolant level is too cold over when the blue light turns off when the engine. keep! And do n't accelerate too hard when you first get in to drive as... Blue indicates insufficient warming up of the engine coolant temperature high warning light illuminates blue, then goes out shows... Stay under 3k until the engine has cooled down, slowly open the coolant temperature warning to! Flash accompanied by an audible alert may also be heard depending on your dashboard shouldn ’ t you! Go out on my wifes 2009 when the red thermo light comes on at start up condition of the temperature. On all the time for this problem on these cars several others with 2018 Atlas having same....

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