What is the blue light on my car dashboard?

If you've ever looked at your dashboard in confusion, you're not alone. Many different symbols and lights can pop up, and it can be a lot to take in. One notably confusing symbol is the coolant temperature light, and its function is to show the temperature of your engine. When it's blue, it means your motor isn't quite at the operational driving temperature yet. In other words, the engine needs to heat up. For this particular reason, it's advised that you wait until this blue light turns off before you drive anywhere.

This engine coolant light can turn another: Red. And as you may guess, it means your engine is way too hot! If this light comes on, it's recommended that you turn your car off. This light typically only appears on very hot days, but it can also illuminate if you've been driving a lot of lugging heavy equipment at high speeds. It's not a big concern as long as it turns off after a little while.

Potential Issues

As mentioned before, if the coolant temperature light remains on your dash for a while, you might be a little worried. While the light staying on could be related to a simple electrical issue, you should always take the light seriously if it remains on your dash for an extended period of time. If the blue light persists and everything seems operational, then you should not be too concerned. However, if the red light stays on, it could mean that your engine is at risk of overheating or major damage. We recommend taking your vehicle to a reputable auto repair shop, like Rocky Mountain Car Care, as soon as possible. High engine temperatures could relate to a multitude of engine combustion issues. It's always better to be sure, even if it was a false warning.

If your engine coolant light has been giving you a headache, please feel free to take your vehicle to Rocky Mountain Car Care! We'd be glad to answer any of the questions and address your concerns.

ALL ABOUT THE BLUE LOW COOLANT LIGHT THAT ILLUMINATES ON YOUR DASHBOARD

Having troubles finding out what the blue light on your dashboard means and what you need to do when that pops up. Well, we could some help, that is throwing light about that area and everything related to it.

The Blue Light means that your vehicle is coolant is at a low temperature. The coolant which is otherwise known as an antifreeze is a fluid that is usually found in the vehicle is radiator. It helps the water in the radiator from freezing during winters and boiling off in the summers. When the coolant does not do these function efficiently.

Now to the question what you should be doing when the blue light turns on?

• The coolant is cold when you start the car and hence the light will be shown when you start your car.
• The oil viscidity at the stage where you start your car is not suitable for high engine loads, which is why you need to keep up a slow pace till the engine warms up to optimal temperature and the blue light turns off.
• While the blue light is on, do not push your car on higher RPMs, to avoid any engine damage.

When the blue light does not turn off?

First of all, do not panic. There are a few reason to why the blue light did not turn off. two of the reasons are one, that there is not much coolant in your radiator and the other there are chances your thermostat might be broken. The light may stay on if your coolant is not warm enough. Make sure your car is cool before you check the coolant. It expands in high temperatures and might not give the right reading. It is also under high pressure making the boiling fluid splash up when you open. So make sure the car is cool before you take the reading.

The blue light sign is just a signal for you monitor your driving and keep calm till the coolant starts functioning again. If the problem sustains you should probably get to the nearest garage.

Are you worried about the blue light on dashboard all of a sudden? You might be wondering what does your car trying to tell you. The blue light on the dashboard indicates that the temperature of your engine coolant is going too low. Thus, being the reason why you’re car is probably not starting.

However, on the contrary, the blue light indicator can occasionally turn on right at startup, but this is normal. Usually, your car is just doing its routine checking of temperature on its engine. You just need to wait and warm it up for a while before driving it.

Contents

• How do I turn the blue coolant warning light off?
• How does the coolant warning system work?
• Can I drive with the blue coolant warning light on?
• In Summary

How do I turn the blue coolant warning light off?

If the blue coolant light indicator is because of its regular temperature checkup, it will automatically turn off for about 1 minute or 2. Once the engine warms up, your vehicle will be ready to hit the road again.

But, if the blue light stays on for a longer period, there might be some issues with your coolant. The common problems are usually coolant leaks, a faulty sensor, or blockage on the system. If you suspect that one of these factors is the reason for triggering the blue coolant light, it’s best to ask for help from a reputable automotive professional.

How does the coolant warning system work?

An engine coolant is a mixture of chemical compounds and water that helps regulate the engine’s temperature. It’s vital to prevent your vehicle’s engine from overheating or freezing like it’s in the Arctic.

The warning system is triggered when the engine coolant becomes insufficient, or there is a blockage causing to intervene the flow of the liquid. The light signal will be turned on once it detects something unusual within the coolant system, like dropping temperature. Moreover, sometimes, the blue light might come on due to a faulty sensor. So, it is worth purchasing a decent code reader so you can quickly check if your vehicle has any fault codes.

Can I drive with the blue coolant warning light on?

If you inspect your coolant system and you do not find anything unusual, most probably, you just need to wait for some time and warm up the engine. However, it’s suggested not to drive the car right away with the blue light warning still on. It’s not advisable to prevent complications from arising, especially for some gears.

On the other hand, if the light is on due to a leak or other issues related to the engine coolant, it’s best to turn off the engine first and perform an inspection. It’s also not ideal to drive it with the lights on.

In Summary

The blue light on the dashboard has various indications, but commonly it’s because of low coolant temperature, leaks, blockage, or faulty sensors. Whichever the reason is, it’s still essential to get your car checked. If you don’t know how to do the inspection, it’s best to contact someone with expertise in solving such cases. You can call a nearby automotive service company to learn more about the issue.