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Old Audi A4 dashboard indicator light
The indicator light on the dashboard of the old Audi A4 car drives the anti-skid alarm.

Driving acceleration slip adjustment: it is an electronic system that actively intervenes when the driving wheel slips and can limit the power output of the engine to ensure that the driving wheel always has good grip on the ground. This system is automatically turned on by default, and it will work when the tire slips due to wet road surface or excessive traction during driving. When working, the driving acceleration slip adjustment sign on the dashboard will flash, and it will go out once the driving acceleration slip adjustment intervention is not needed.

Accelerated slip adjustment (accelerated slip adjustment or traction control system):

ASR or TCS (called TRC or TRAC for Japanese cars) is a set of anti-skid control system adopted after ABS, which is the further development and important supplement of ABS functions. ASR system and ABS system are closely related, and usually cooperate to form an active safety system for automobile driving.