See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...

Manual interior lighting control
•► To switch the front interior lighting on/ off: press the button. •► To switch the rear interior lighting on/ off: press the button. •► To switch the reading lamps on/off: ...