See also:

Using the remote control
General information Take the remote control with you People or animals left unattended in a parked vehicle can lock the doors from the inside. Always take the remote control with you when lea ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

Remove attached partsfollowing use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...