Can You Continue Driving After the Car Coolant Warning Light Comes On?

1 Answers
McEloise
07/30/25 3:25am
Coolant warning indicates insufficient car coolant or may signal an overheating radiator. In such cases, you should not continue driving. Proceeding could cause the engine temperature to rise further, potentially damaging the engine. To avoid unnecessary losses and ensure safety, it is advised not to continue driving. Insufficient Coolant: If the warning is due to low coolant levels and no coolant is available for immediate replenishment, you can add an appropriate amount of purified water—preferably soft water, also known as distilled water. Avoid using tap water or other hard water, and do not add too much, as this could alter the coolant's boiling point. Overheating: If the coolant warning is caused by an overheating engine, it is best to pull over safely. Do not turn off the engine; instead, let it idle with the hood open to allow cooling until the temperature warning light turns off.
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