See also:

Loss of the remote controls
Lost remote controls can be blocked by your service center. ...

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 ...

Deleting all stored programs
Press the two outer memory buttons for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually ...