See also:

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...

Displaying stored Check Control messages
1. "Vehicle Info" 2. "Vehicle status" 3. "Check Control" 4. Select the text message. ...

Controls
Controls 1 Display screen 2 Infrared interface for headphones 3 CD/DVD player 4 Headphone connection: jack plug 5 12 V sockets ...