First make sure that the switch is in either the left or right position - since the middle position is the null position. If that is not the problem then check your fuse panel and check for a blown fuse. If that is not it, then it is probably your mirror switch.
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First make sure that the switch is in either the left or right position - since the middle position is the null position. If that is not the problem then check your fuse panel and check for a blown fuse. If that is not it, then it is probably your mirror switch.