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.
See also:
Volume of spoken instructions
Turn the volume button while giving an instruction
until the desired volume is set.
The setting is stored for the remote control currently
in use. ...
Activating/deactivating Bluetooth
Bluetooth is not permitted everywhere. Comply
with all safety guidelines and regulations.
1. "Telephone"
2. Open "Options".
3. "Bluetooth®"
...
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...