See also:

Anti-entrapment function
When the moonroof senses a substantial enough object trapped between its glass and the vehicle’s roof during closure, it automatically moves back by 6 in (15 cm) from that point and then stops ...

Washing the underbody
Chemicals, salts and gravel used for deicing road surfaces are extremely corrosive, accelerating the corrosion of underbody components, such as the exhaust system, fuel and brake lines, brake cabl ...

Speedometer
The speedometer shows the vehicle speed. ...