Grasp the door handle on the driver's or front passenger door completely, arrow.
This corresponds with pressing the button on
the remote control.
Locking
Touch the surface on the door handle of the driver's or front passenger door, arrow, with your finger for approx. 1 second without grasping the door handle.
This corresponds with pressing the button on
the remote control.
To save battery power, ensure that the ignition
and all electronic systems and/or power consumers
are turned off before locking the vehicle.
BMW X3 Owners Manual > Alarm system: Avoiding unintentional alarms
The tilt alarm sensor and interior motion sensor
can be switched off together, such as in
the following situations:
In automatic car washes.
In duplex garages.
During transport on trains carrying vehicles,
at sea or on a trailer.
With animals in the vehicle.
Switching off the tilt a ...