See also:

Service menu
In the Serv. menu you can: - call up display messages - restart the tire pressure loss warning system (Canada only) - check the tire pressure electronically - call up the service due date ...

Setting the rear-compartment air distribution using the rear control panel
Turn the SmartKey to position 2 in the ignition lock. Press rocker switch 13 or 16 up or down repeatedly until the desired air distribution symbol is shown in the display. ...

Making adjustments in 1 mph (Canada:1 km/h) increments
► Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...