就算100%的平地，我也建议拉手刹，不论是自动车还是手动车，原因如下

来源: 于 2012-10-15 09:40:57 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Using your parking brake on a level surface helps keep the rear brakes adjusted on some models (Does yours have rear drum brakes?), and it acts as a back-up in case the transmission's parking pawl ever fails to hold the vehicle. Even on seemingly level surfaces, your car can roll away.