Supplementary text messages
Addition information, such as on the cause of a fault or the required action, can be called up via Check Control.
In urgent cases, this information will be shown as soon as the corresponding lamp comes on.
Symbols
The following functions can be selected within the supplementary text message, depending on the Check Control message.
▷ 
"Service request"
Contact the service partner.
▷ 
"Roadside
Assistance"
Contact Roadside Assistance.
See also:
Sound output via speakers
In addition to the headphones, you can also play
the sound via the vehicle speakers.
1. "CD/Multimedia"
2. "External devices"
3. "AUX rear"
4. "Volume"
5 ...
Storing a channel
1. "Radio"
2. "Satellite radio"
3. If necessary, open "All channels" or the desired
category.
4. Select the desired channel.
5. Press the controller again.
6. Pres ...
Radio ready state
Activate radio ready state:
When the ignition is switched off: press ON/
OFF button on the radio.
When the engine is running: press START/
STOP button.
Some electronic systems/power con ...