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ASR in a car – how does the traction control system work and why is it so important for your safety?

Traction control (ASR) is a system that helps the drive wheels maintain traction when starting and accelerating—especially on wet, snowy, or gravel surfaces. In this article, we explain what ASR is in a car, how it works step by step, in what situations it intervenes, when (and if at all) it's worth turning it off, and what the warning light means. We also add practical diagnostic tips and answers to frequently asked questions to help you drive more confidently and safely.
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