See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Options menu
The split screen is not available and there is no Integrated Owner's Manual. Operation is the same as for the front menu options. ...

Reading lamps
Press the button. Reading lamps are located at the front and rear next to the interior lamps. With the interior lamps shut off, the reading lamps cannot be switched on. ...