See also:

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Telephone
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What to do if...
Information on suitable mobile phones The mobile phone could not be paired or connected. ▷ Is Bluetooth activated in the vehicle and on the mobile phone? Activate Bluetooth on the vehicle ...