Can You Still Drive When the Car's Antifreeze Warning Light Comes On?
2 Answers
When the car's antifreeze warning light comes on, you should not continue driving. The warning indicates either a lack of antifreeze or a malfunction in the cooling system. The solutions are: 1. Refill the antifreeze; 2. Pull over and wait for assistance, then have the vehicle inspected and repaired at a professional auto repair shop. Antifreeze, fully known as antifreeze coolant, is composed of water, antifreeze agents, and additives. Based on the antifreeze agent composition, it can be categorized into alcohol-based, glycerol-based, and ethylene glycol-based types. The correct method for adding antifreeze is: 1. Open the filler cap, unscrew the drain switches on the engine block and radiator to drain the old antifreeze; 2. Tighten the drain switches on the engine block and radiator; 3. Pour new antifreeze into the radiator filler until the fluid level in the reservoir reaches the FULL mark.
I've seen this situation several times. When the car's coolant warning light comes on, it's definitely a serious warning. Coolant is used to cool down the engine. If the level is low or there's a leak, the engine can overheat quickly, even leading to a blown head gasket. I suggest you pull over immediately without hesitation. After stopping, check the coolant reservoir in the engine bay. If the level is below the minimum mark, you can temporarily top it up with distilled or purified water—never use tap water as the impurities can clog the system. But remember, this is only an emergency measure. You must drive to a repair shop or call a professional technician as soon as possible to check for leaks in the hoses or a faulty water pump. During regular maintenance, it's best to check the coolant level and color every quarter. If it's degraded, it needs to be replaced. Safety is more important than anything else. Stopping and addressing the issue as soon as the light comes on can save you thousands in repair costs.