Why is the steering wheel light on?

1 Answers
ZaneLee
07/30/25 1:35am
The steering wheel light being on indicates an abnormality or malfunction in the power steering system. The car's steering system is a power-assisted steering system, which means it uses external force to allow the driver to complete steering with less effort. Initially, this system was used in large vehicles, but now it is widely applied to various car models. Thanks to power steering, driving becomes much easier, and to some extent, it enhances driving safety. Reasons for the power steering warning light to come on: 1. There is a large amount of air in the power steering system, causing abnormal steering; 2. Foreign objects in the steering hydraulic pipeline cause the steering pump flow control valve to stick; 3. Loose connections in the power steering system lead to steering fluid leakage; 4. Excessive wear of the steering gear piston cylinder, poor sealing of the oil seal, or sticking/damage of the control valve.
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