What is the reason for the Buick Envision's power steering assist warning?

1 Answers
GabrielLee
07/24/25 10:48pm
Buick Envision's power steering assist warning is caused by an issue with the power steering assist device. Below is more information about power steering: 1. Introduction: Power steering assists the driver in adjusting the vehicle's direction, reducing the effort required to turn the steering wheel. Of course, power steering also plays a role in the safety and fuel efficiency of the vehicle. 2. Classification: (1) Mechanical hydraulic power steering system, generally composed of components such as a hydraulic pump, oil pipes, pressure and flow control valve body, V-belt drive, and oil reservoir. (2) Electro-hydraulic power steering system, driven by an electric motor, with an added electronic control system on the previous basis, making the steering assist force not only related to the steering angle but also to the vehicle speed. (3) Electric power steering system, generally composed of a torque (steering) sensor, electronic control unit, electric motor, reducer, mechanical steering gear, and battery power source.
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