Storage compartment
A storage compartment is located under the armrest between the front seats and, depending on the vehicle's equipment, also a cover for the mobile phone cradle or the snap-in adapter.
Details on this mobile phone cradle
Opening

Opening
Push cover down slightly and press the button.
The cover folds upward.
Connection for an external audio device
You can connect an external audio device such as a CD or MP3 player and play audio tracks over the car's loudspeaker system:
▷ AUX-IN port.
▷ USB audio interface.
See also:
Controls on the interior rearview mirror
Controls on the interior rearview mirror
▷ LED, arrow 1.
▷ Buttons, arrow 2.
▷ The hand-held transmitter, arrow 3, is required
for programming. ...
Multi-channel playback,
surround
Choose between stereo and multi-channel playback,
surround.
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
...
Safety
Neither the Insurance Institute for Highway Safety nor the National Highway
Traffic Safety Administration has tested the 2007 X3. Standard safety features
include four-wheel-disc antilock brakes, ...
