Is there a warning light for low coolant in a car?

1 Answers
VanAshlyn
07/30/25 5:03am
There is no warning light for low coolant in a car. The functions of coolant are: 1. Providing anti-corrosion protection for the engine's cooling system; 2. Preventing the engine temperature from reaching 100 degrees Celsius and causing the water to boil; 3. Preventing scale formation and avoiding reduced radiator efficiency; 4. Ensuring the engine operates properly in low temperatures. The steps for replacing coolant are: 1. Open the vehicle's engine hood, and you can see the coolant reservoir in the upper right corner; 2. Open the coolant drain plug under the radiator to drain the old coolant; 3. Add new coolant, tighten the cap, and the coolant replacement is complete.
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