回复:回复:(!)外面是圆弧 还是三角形?可能是胎压,刹车要看什么形状

You can check your user manual that comes with your car. There should be description on what the signs mean.

Your tire pressure might be too low (IIRC the standard pressure is 35psi). You can check which tire is losing pressure. It might be a different tire than the ones that were fixed.

 

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