See also:

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 t ...

Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. ► Make sure that ...

Important safety notes
Service products include the following: fuels (e.g. gasoline, diesel) lubricants (e.g. engine oil, transmission oil) coolant brake fluid windshield washer fluid Vehicle components and t ...