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
appears in the instrument cluster.

DTC is activated
See also:
Issuing a warning
If the vehicle begins leaving the lane and a lane
marking has been detected, the steering wheel
begins vibrating.
If the turn signal is set before the lane is
changed, a warning is not issued.
...
Six generations of the BMW 3-Series: The success story of a global
trendsetter
If there is such a thing as a quintessential BMW, it is without doubt the BMW
3-Series. The 3-Series is everything a sports sedan should be, and for years it
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Warning of people in danger
If the system detects a person in the defined
area in front of the vehicle and if there is the danger
of a collision with this person, a warning
symbol appears in the Control Display and
Hea ...
