Owner's Manual for the vehicle. With a quick reference ... - E38.org

52nSeat, mirror and steering wheel memory
You can make the settings of your
vehicle in such a manner that,
when you unlock the car with your personalized
remote control, your own personalized
settings for the seat position
and the mirror and steering wheel adjustments
are initiated.<
When you make use of this feature,
be sure that the footwell behind
the driver's seat is not obstructed
before unlocking the car. Otherwise,
any objects which are behind the seat
might be damaged by any rearward
movement of the seat.<
380us610
Passenger side exterior mirror tilt
function
(automatic curb monitor)
1 Move the mirror selector switch (arrow)
to the "driver's mirror" position
2 When the selector lever is placed in
"Reverse," the passenger-side mirror
tilts downward to help the driver
monitor the area directly adjacent to
the car during parking (curbs, etc.).
You can deactivate this automatic feature:
Set the mirror selector switch to
the passenger's mirror position.