See also:

Operating the on-board computer
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 ...

Massage function (PULSE)
The massage function helps you to prevent muscle tension on long journeys. You can choose between two levels. •► To switch on: press button 4 once or twice until the desired level is set. ...

Restoring the factory settings
•► Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...