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:
Brightness
Setting the brightness
To set the brightness of the Control Display:
1. "Settings"
2. "Control display"
3. "Brightness"
Brightness"
4. Turn the controller un ...
Switching the microphone to mute
When a call is active, the microphone can be
muted.
1. "Telephone".
2. "Active calls".
3. "Microphone mute"
A microphone that has been switched to mute
is automa ...
Adjusting the volume
Turn the knob until the desired volume is selected.
The setting is stored for the remote control
currently in use. ...
