See also:

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

The concept
Mobile phones or other external devices such as audio players can be connected to the vehicle via Bluetooth. After these devices are paired once, they are recognized automatically when the igni ...