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 the buttons on the multifunction steering wheel.

1 Multifunction display
2 To switch on the Voice Control System; see the separate operating
instructions
3 Right control panel
4 Left control panel
5 Back button
See also:
Message memory
The on-board computer saves certain display messages. You can call up the
display messages
in the message memory.
•► Press the button on the steering
wheel to select the Serv. menu.
If ...
Storing and maintaining the current speed
You can store the current speed if you are driving faster than 20 mph (30 km/h).
Accelerate the vehicle to the desired speed.
Briefly press the cruise control lever up 1 or down 2.
Remove your ...
Extending/retracting from the driver's
seat
Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged.
At temperatures below -4 °F (-20 °C), the
roller sunblind cannot be operat ...
