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: 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 ...

Engine oil temperature
▷ Cold engine: the pointer is at the low temperature end. Drive at moderate engine and vehicle speeds. ▷ Normal operating temperature: the pointer is in the middle or in the left ...