See also:

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 ...

Note
If equipped with Business mobile phone preparation equipment package or without mobile phone preparation. ...

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 ...