What symbol indicates the need to add coolant to a car?
2 Answers
The symbol indicating the need to add coolant to a car is displayed on the dashboard as a small sailboat-like icon. The antifreeze symbol is highly recognizable, featuring two wavy lines at the bottom representing water, with a thermometer inserted between them. Here is the method for replacing car coolant: (1) Loosen the screw at the bottom drain port of the radiator (note: loosen but do not remove it completely to prevent it from becoming too tight after the engine heats up), and open the pressure seal cap of the main radiator. (2) Run the engine until the coolant temperature normalizes, approximately 5-10 minutes. By this time, the thermostat should be in or transitioning to the open state, initiating the engine's internal water circulation. Loosen the radiator drain screw to begin draining the coolant. Monitor the flow rate and close the engine once the flow decreases, as the water pump is no longer needed. (3) After completely draining the antifreeze, tighten the drain screw and refill the main radiator with new coolant until the liquid level is visible at the fill port. (4) Replace and tighten the pressure seal cap. Remove the auxiliary radiator tank, pour out the old antifreeze, and add new coolant up to the maximum level mark. Run the engine to expel air, then allow it to cool. Observe the liquid level in the auxiliary tank and top up the coolant to the maximum level as needed.
When the low coolant warning light comes on, there will be a red thermometer-like icon on the dashboard, often accompanied by wavy lines or small droplets, indicating insufficient fluid or excessive temperature. I remember once when I was on a long-distance trip, this light suddenly lit up. I immediately pulled over to check the coolant reservoir and found the level was too low, so I quickly added some pre-mixed coolant solution. Ignoring it could lead to engine overheating and damage the cylinders, which would cost a fortune to repair. When driving, make it a habit to check the coolant level monthly, especially during hot seasons, to avoid potential hazards.
