The concept

Pressing the Start/Stop button switches the ignition on or off and starts the engine.
Automatic transmission: the engine starts if the brake is depressed when the Start/Stop button is pressed.
Manual transmission: the engine starts if the clutch is depressed when the Start/Stop button is pressed.
See also:
Sound output
Switching on/off
When the ignition is switched off: press ON/OFF
button on the radio.
Muting
When the ignition is switched on or the engine
is running: press the ON/OFF button on the
radio. ...
Locking
▷ Press the button. The doors are
locked.
▷ Press the lock button of a door. To prevent
you from being locked out, the opened driver's
door cannot be locked using the lock
button. ...
BMW X5 without 3rd row seats
BMW X5 without 3rd row seats
Unlock the center armrest with the button in the
lower section of the opening and fold down. ...
