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2026-08-21 · 4 min read

What Is ABS? How to Brake Correctly in an Emergency

Most drivers pump the brakes in an emergency — but with ABS, that's wrong. Here's how ABS works and the correct way to use it.

What Is ABS? How to Brake Correctly in an Emergency

ABS(Anti-lock Braking System,防锁死刹车系统)是现代车的标配安全配备,但很多驾驶人对它的实际作用还是有误解。

ABS 的作用

紧急刹车时,轮胎容易锁死(停止转动),锁死后车子打滑、方向盘失去控制。

ABS 透过感应器侦测轮速,在锁死前自动快速释放再施加刹车力,每秒可操作数十次,比人手反复踩放快很多。

结果:轮胎保持滚动,车子在急刹时仍能转向闪避障碍物。

有 ABS 时紧急刹车怎么做?

一脚踩死,保持踩着不放——让 ABS 自己工作。

不要反复踩放(pump the brakes)——那是没有 ABS 的老方法,有 ABS 反而会干扰系统。

踩下去会感觉到脚踏板震动,有时会听到「哒哒哒」声,这是正常现象,ABS 在工作。

同时转向避开障碍物——这是 ABS 最大的优点,急刹时还能控制方向。

ABS 警示灯亮了怎么办?

仪表 ABS 灯常亮,代表系统检测到故障,ABS 可能暂时失效(普通刹车仍正常)。常见原因是 ABS 传感器脏污或损坏,需要电脑诊断确认。别拖,万一遇到紧急情况 ABS 不工作会很危险。

结论

有 ABS 紧急刹车就是一脚踩死,让系统做它的事。4M CARCARE 可诊断 ABS 故障码,确认问题后报价维修。

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