See also:

Malfunction
A message is displayed. Adaptive light control is malfunctioning or has failed. Have the system checked as soon as possible. ...

Reading lamps
Press the button. Reading lamps are located at the front and rear next to the interior lamps. ...

General malfunctions
▷ CD/DVD changers and players have been optimized for performance in vehicles. In some instances they may be more sensitive to faulty CDs/DVDs than stationary devices would be. ▷ ...