See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

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

At a glance
1 Control button 2 Mirror display ...