External temperature
External temperature warning

If the display drops to +37 ℉/ +3 ℃, a signal sounds.
A Check Control message is displayed.
There is the increased danger of ice.
Ice on roads
Even at temperatures above +37 ℉/+3 ℃, there can be a risk of ice on roads.
Therefore, drive carefully on bridges and shady roads, for example, to avoid the increased danger of an accident.
See also:
The concept
► Most functions that are displayed on the
Control Display can be operated by spoken
commands via the voice activation system.
The system prompts you to make your entries.
► Function ...
What to do if...
Only a black screen is visible.
Switch on the system.
There are no options available on the screen.
Switch over between the display screens.
Radio stations or TV channels are grayed out ...
Radio
FM
AM
Satellite radio
Stored stations
...
