Activating
Switch position 
with the
ignition switched
on.
The turning lamps are automatically switched on depending on the steering angle or the use of turn signals.
To avoid blinding oncoming traffic, the Adaptive Light Control directs light towards the front passenger side when the vehicle is at a standstill.
When driving in reverse, only the turning lamp is active.
See also:
Crunching the Numbers
Prices for the X5 start at $47,500 for the xDrive30i; the diesel costs
$51,200 and the lineup peaks at the $56,200 xDrive48i. Standard features include
faux leather upholstery, power front seats, ...
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.
...
Switching on automatically
Select transmission position R with the engine
running.
The Top View and PDC images are displayed if
the system is switched on via iDrive. ...