See also:

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Switching off automatically
The system switches off and the LED goes out: ▷ After approx. 33 ft/10 m when driving forward. ▷ After approx. 9 mph/15 km/h when driving forward. Switch on the system again if necess ...

Requirements
For measuring parking spaces ▷ Maximum speed while driving forward approx. 22 mph/35 km/h. ▷ Maximum distance to row of parked vehicles: 5 ft/1.5 m. Suitable parking space ▷ Ga ...