[問題] Lexus IS300h 上坡輔助
想請問一下如何正確啟動上坡輔助HAC。
爬舊文發現是將煞車踏板踩到底後,儀表板會有圖示以及蜂鳴聲
但翻閱車主手冊,似乎沒特別提到需要將煞車踏板踏到底
而幾次斜坡測試,儀表板皆無顯示也無蜂鳴聲
所以想請教一下正確啟動方式。
ps.車款為2015 IS250
附圖為車主手冊上顯示HAC作動時圖示
http://i.imgur.com/YBLf9Mf.jpg
![](https://i.imgur.com/YBLf9Mf.jpg)
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