See also:

Approach lighting
Approach lighting is activated by pressing the approach light button on the remote key (see the illustration on page 57). When the function has been activated, the parking lights, indicator lights, ...

Unique functions—PCC*
1 - Information button 2 - Indicator lights Pressing the information button provides certain information about the vehicle with the help of the indicator lights. ...

Steep inclines and/or heavy loads
ACC is primarily intended for use on fairly level roads. The system may have difficulty maintaining the correct distance to a vehicle ahead on steep inclines, if the vehicle is carrying a heavy lo ...