See also:

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Removing the mobile phone
  Press the button and remove the mobile phone. ...

Notes
No loose objects in the passenger compartment Do not stow any objects in the passenger compartment without securing them; otherwise, they may present a danger to occupants for instance durin ...