For better control

flashes: DTC controls The indicator lamp flashes: DTC controls the drive forces and brake forces.

The indicator lamp lights up: DSC and DTC has failed.

DTC activated:

lights up and TRACTION The indicator lamp lights up and TRACTION appears in the instrument cluster.

DTC is activated
DTC is activated

    See also:

    Activation/deactivation
    Press the button. ...

    The concept
    The iDrive combines the functions of a multitude of switches. Thus, these functions can be operated from a central location. ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...