See also:

Software Update
The vehicle supports various external devices depending on the current software version. With a software update, the vehicle can support new cell phones or new external device, for example. ...

Front ventilation
Thumbwheels for adjusting the temperature, arrows 1. Toward blue: colder. Toward red: warmer. Lever for changing the air flow direction, arrow 2. Thumbwheels for opening and closing ...

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...