See also:

Important safety notes
WARNING   When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the ...

Displaying service messages
  Switch on the ignition.   Press or on the steering wheel to select the Serv. menu.   Press or to select the ASSYST PLUS submenu and press to confirm. The service due d ...

Operating the on-board computer
The on-board computer is activated as soon as you turn the SmartKey to position 2 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...