Vehicle battery
Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery.
Your service center will be glad to advise you on questions regarding the battery.
Battery replacement
Use approved vehicle batteries only.
Only use vehicle batteries that have been approved for your vehicle by the manufacturer; otherwise, the vehicle could be damaged and systems or functions may not be fully available.
After a battery replacement, have the battery registered on the vehicle by your service center to ensure that all comfort functions are fully available.
See also:
USB audio interface/mobile phone
audio interface
At a glance
It is possible to connect external audio devices.
They can be operated via iDrive. The sound is
output on the vehicle loudspeakers
Connectors for external devices
▷ Connection ...
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. ...
Configuring the devices
Additional functions can be activated or deactivated
for paired and connected devices.
1. "Telephone"
2. "Bluetooth® (phone)"
3. Highlight the device to be configured.
4. Ope ...