要找一个摇臂下止点的问题就用不着满世界问了

重要的是要问对了人。

甚至连白纸都不用，钥匙拧到ACC，开雨刷，两秒后key turn to off,  turn off wiper, turn key to acc again. After wiper motor stops lay the wider to the resting position then remount it. Done.