It covers the camera sensor for collision avoidance (and the adaptable cruise I do believe) in concert with another sensor behind the rear view mirror. When it was covered by frozen slush was when the $#?* off dash indicator came on.
It covers the camera sensor for collision avoidance (and the adaptable cruise I do believe) in concert with another sensor behind the rear view mirror. When it was covered by frozen slush was when the $#?* off dash indicator came on.