Why does the tire pressure warning light keep coming on?

2 Answers
LaVincent
07/24/25 2:59pm
The tire pressure warning light keeps coming on, indicating that there may be a problem with the tires. Both excessively low or high tire pressure can cause this phenomenon. It is recommended to go to a repair shop or 4S store for inspection. The tire pressure warning light coming on means that the tire pressure of the four tires is not within the normal range. Generally, slow air leakage or a punctured tire can cause insufficient tire pressure or excessively high tire pressure, which will trigger the tire pressure warning. Tire pressure refers to the air pressure inside the tire. In car maintenance, the engine is the heart of the car, and damage to the engine will lead to the end of the car's life. The tire pressure is the blood pressure of the car, and the level of tire pressure plays a crucial role in the performance and power of the car.
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OJayla
08/11/25 8:39am
My car has had a similar issue before, and the tire pressure light keeps coming on, which is quite annoying. The most common reason is insufficient actual tire pressure, especially when the weather changes significantly—tires expand and contract, causing pressure to drop naturally. You should use a tire pressure gauge to check the pressure in all four tires; the recommended values are usually found on the door pillar or in the manual. If the pressure is normal, the issue might be with the tire pressure sensor, such as a dead battery or signal interference from debris. Additionally, the system occasionally needs a reset, like when tires are replaced but not properly calibrated. Ignoring this problem for too long increases the risk of tire wear, affects braking performance, and leads to higher fuel consumption. For safety, check it every time the light comes on—just top up the air at a self-service inflation station. If you keep forgetting, consider getting a Bluetooth tire pressure monitor for real-time readings—it’s much more convenient.
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