Switch off any functions that are not currently needed
Functions such as seat heating and the rear window defroster require a lot of energy and consume additional fuel, especially in city and stopand- go traffic.
Therefore, switch off these functions if they are not actually needed.
See also:
Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
...
System limits
Check the traffic situation as
well
PDC cannot serve as a substitute for the
driver's personal judgment of the traffic situation.
Check the traffic situation around the vehicle
with your own ...
Display in the instrument cluster
The selected speed is displayed
in the speedometer.
▷ Green: the system is actively
braking the vehicle.
▷ Orange: the system is on
standby. ...