What is ASR on a car?

1 Answers
MacJoseph
07/25/25 1:13pm
ASR on a car stands for Acceleration Slip Regulation, which is a control system designed to prevent the driving wheels from slipping during acceleration. Its primary purpose is to maintain vehicle directional stability, ensure responsive handling, and provide appropriate driving force during starting and acceleration, thereby enhancing driving safety. The Acceleration Slip Regulation system evolved from the foundation of ABS (Anti-lock Braking System), sharing components such as wheel speed sensors, control mechanisms, and pressure actuators. It also extends the functionality of the Electronic Control Unit (ECU) by adding throttle control mechanisms, ASR switch indicators, and ASR diagnostic systems.
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