See also:

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs:  - ...

Rear window roller sunblind (Sedan)
Important safety notes WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children una ...

Controlling the rear-compartment climate control automatically using the rear control panel
Turn the SmartKey to position 2 in the ignition lock. Set the desired temperature. To activate: press rocker switch 15 up or down and select AUTO. To deactivate: press rocker switch 15 up ...