This temperature warning light means that your engine is running at a temperature that is too high – in other words, your engine is overheating. … However, a problem with the cooling system or low coolant can cause the engine to overheat, which leads to engine damage.
What should you do if your car temperature is high?
- Kill the A/C and crank the heat. Immediately turn off the air conditioner to reduce stress on the engine. …
- Find a safe place to pull over. Pull over and shut off the car. …
- Check and add coolant (if you have it). …
- Restart the engine.
What does it mean when your car is on H?
Dashboard Warnings Your car’s dashboard has a temperature gauge indicating the temperature of the coolant in your engine. Typically, one end of the gauge is marked “C” for cold and the other end is marked “H” for hot. The needle on your temperature gauge will move toward the “H” if the engine is starting to overheat.
