See also:

Malfunction
A Check Control message is displayed. On the Control Display, the areas in front of and behind the vehicle are shaded. PDC has failed. Have the system checked. To ensure full operability: ` ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...

Decreasing speed
Repeatedly pull the lever to the resistance point or beyond, arrow 2, until the desired speed is displayed. ▷ Each time the lever is pulled to the resistance point, the desired speed is d ...