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. Right control panel
3. To switch on the Voice Control System;
see the separate operating instructions
4. Back button
5. Left control panel
See also:
General information
Operational readiness of the navigation
system
The navigation system must determine the
position of the vehicle before first use or
whenever operational status is restored.
Therefore, you may ...
Displaying service messages
•► Switch on the ignition.
•► Press on the steering wheel
to select the Serv. menu.
•► Press to select the ASSYST
PLUS submenu and press to confirm.
The service due date ap ...
Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
You should only select the
defrosting
function until the windshield is cl ...
