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Your dashboard may have a blue light if you own a Subaru Blue Coolant Light issue. That is the blue coolant light, and it’s more than just a pretty color.
It serves as an important indicator of your engine’s temperature. But what does it mean when Subaru Blue Coolant Light light comes on, and more importantly, how do you fix it if it doesn’t turn off?
When you start your Subaru, it’s common for the blue coolant light to illuminate. It is a normal occurrence and indicates that your engine is not yet warmed. However, if the light persists or starts flashing, you may need to take action. We’ll look at what to do when the Subaru blue coolant light turns off, stops, or even flashes in this blog.
You can also drive a car while the light is on if you know how to reset it. We’ll even talk about how Mazda handles its blue coolant light. So, if you want to know how to reset the blue coolant light that appears when your car starts, this guide is for you.
What can cause the coolant light to come on?
The blue coolant light on the Subaru dashboard is a temperature gauge for your engine’s coolant or antifreeze. When this light illuminates, it tells you the coolant is too cold. Your engine has yet to warm up.
That is common in colder months or when starting your car for the first time.
When should the engine be warmed up? A cold engine is less efficient than one that is warm. Not enough oil has reached all parts, and transmission fluid isn’t at its optimal temperature.
Let your car warm up before driving. Your drive will be smoother and safer if all the fluids work effectively.
How to Fix Blue Coolant Light
So, what should you do if the blue coolant light stays on longer than usual? Don’t panic. Usually, a persistent blue light indicates low antifreeze levels.
To Resolve the issue, you can follow these steps:
- Turn off the engine and let it cool if the blue light doesn’t disappear.
- Once the engine is cool, check the antifreeze levels under the hood. Wear gloves carefully to avoid burning yourself.
- Leaks in the system may cause low antifreeze levels. If there are leaks in the radiator or hoses, check them.
- Consider consulting a professional if you’re uncomfortable performing these checks yourself.
Take your Subaru to a certified service center for a thorough inspection.
- Reset the Light: After resolving the issue, you may need to reset the blue coolant light manually. Refer to your owner’s manual for instructions on how to do this.
It is possible to ensure your engine’s health by taking these steps.
Subaru Blue Coolant Light Turns Off
When the blue coolant light turns off, it’s a sign that your engine has reached its optimal operating temperature. Your engine is ready for smooth driving since the coolant is no longer too cold.
What role do other fluids play as the engine warms up?
As your engine reaches its ideal temperature, other fluids like engine oil and transmission fluid also reach their optimal state.
It ensures better fuel efficiency and a smoother driving experience.
Subaru Blue Coolant Light flickers
If you notice that the blue coolant light flickers or stops altogether, it could be a sign of a malfunctioning sensor or a more serious issue with the cooling system.
In such cases, it’s best to:
Pull Over Safely: Find a safe spot to pull over and turn off the engine.
Check for Obvious Issues: Inspect for leaks or other visible problems.
Consult a Professional: If the issue persists, consult a certified Subaru service center for a thorough diagnosis.
Read Also: How To Make Dashboard Lights Brighter On My Car?
Subaru Blue Coolant Light Reset
Resetting the blue coolant light is generally only necessary if you’ve fixed an issue and the light remains on. To manually reset it:
Refer to the Owner’s Manual: Your Subaru owner’s manual will have specific instructions.
Use a Diagnostic Tool: Some modern Subarus may require a diagnostic tool for resetting.
Consider resetting the light only after resolving any issues and consulting a professional.
Subaru Blue Coolant Light Flashing
A flashing blue coolant light is uncommon and could indicate a serious issue with the cooling system or the engine. Immediate steps to take include:
- Stop the vehicle. Safely pull over and turn off the engine.
- Call for Assistance: Contact a Subaru service center or roadside assistance.
Read Also: Jeep Check Engine Light – Troubleshooting And Solutions
Is it safe to drive with a blue coolant light on?
Yes, you can usually drive safely when the blue coolant light is on, as long as it turns off in a few minutes. That means your engine is warming up.
But if the light stays on for too long, it’s a sign you should stop and check your coolant levels. It is better to be safe and ensure everything is okay before continuing your journey.
When the car starts, a blue coolant light illuminates.
That is a normal occurrence and indicates that the engine is cold. It’s a built-in feature to alert you that the engine needs to warm up.
Blue Coolant Light Mazda
Mazda cars also have a blue coolant light, just like Subaru. But there’s a small difference. In Mazda, this light usually turns off quicker, often in just a minute or two after you start driving.
So, if you’re a Mazda owner, you won’t have to wait as long to know your engine is warmed up.
Read Also: How To Reset Your Check Engine Light | 4 Ways To Clear It (With Or Without A Scanner)
FAQ: Subaru Blue Coolant Light
What should I do if the blue coolant light stays on?
If the blue coolant light stays on for an extended period, it’s a sign that you should take action.
Turn off the engine and pull over safely. Allow it to cool down before checking the antifreeze levels.
You should consult a certified Subaru service center if you feel uncomfortable performing the inspection.
Is it safe to drive with the blue coolant light on?
Driving with the blue coolant light is generally safe if it turns off after a few minutes. The light indicates that the engine is not yet warmed up, which is normal, especially when starting your car.
However, if the light persists, it’s advisable to pull over and check the coolant levels or consult a professional.
Read Also: Car Warning Lights Triangle: Meaning, Causes, And Fixes
How do I reset the Subaru blue coolant light?
Resetting the blue coolant light is usually only necessary if you’ve resolved an issue and the light remains on. To reset it, refer to your Subaru owner’s manual for specific instructions.
Some modern Subaru models may require a diagnostic tool for the reset. Always consult a professional before taking this step.
In conclusion, we’ve discussed the Subaru blue coolant light and its meaning. You can use this light to check your engine’s temperature, not just for show. If the light stays on for too long, you must act. You should check your antifreeze levels or consult a mechanic.
You can reset this light if you fix the problem and speak with a professional.
So, the next time this light comes on, you’ll know how to keep your Subaru running smoothly.
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