See also:

For better control
The indicator lamp flashes: DTC controls the drive forces and brake forces. The indicator lamp lights up: DSC and DTC has failed. DTC activated: The indicator lamp lights up and TRACTION ...

Controls
1 Change the entertainment source 2 CD/DVD drive 3 Eject CD/DVD 4 Change station/track 5 Programmable memory buttons 6 Volume, on/off ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...