Important notes
In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the ignition lock.
See also:
Overview
Function
1 COMAND display
2 COMAND controller and function buttons
3 Telephone keypad ...
Removing the ball coupling
Observe the manufacturer's installation instructions.
Press the protective cap into the ball coupling recess.
Make sure that the protective cap is firmly in place.
...
Checking tire pressure electronically
– Make sure that the SmartKey is in position
2 in the ignition lock.
– Press the or
button on the
steering wheel to select the Serv. menu.
– Press the or
button to select
Tire Pressure.
...