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:
Issuing a warning
If the vehicle begins leaving the lane and a lane
marking has been detected, the steering wheel
begins vibrating.
If the turn signal is set before the lane is
changed, a warning is not issued.
...
Notes
BMW CD/DVD players and changers are officially
designated Class 1 laser products. Do not operate if the cover is damaged; otherwise,
severe eye damage can result.
Do not use self-recorded CDs/DV ...
Controls on the interior rearview mirror
► LED, arrow 1.
► Buttons, arrow 2.
► The hand-held transmitter, arrow 3, is required
for programming. ...