External devices
At a glance

See also:
Collision warning
The concep
The system issues a two-phase warning of a
danger of collision at speeds above approx.
10 mph/15 km/h. The time of these warnings
may vary depending on the current driving situation.
...
The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the
car is an extension of the driver. It's typically experienced in cars whose
various systems and characteristics are well- ...
Adjusting the volume
Turn the knob during an announcement.
The volume remains constant even if the
volume of other audio sources is changed.
The volume is stored for the remote control
currently in use.
Not ...
