BMW Z4 Roadster 2.5i 2005 User Manual

Page 53

Deactivating DTC and DSC at the same
time

Press and hold the button for at least
3 seconds; the DSC indicator lamp lights up in
the instrument cluster. No more interventions
to increase stability and forward momentum are
carried out.
To enhance vehicle stability, reactivate DSC as
soon as possible.

Reactivating DSC

Press the button briefly; the indicator lamp goes
out in the instrument cluster.

Checking

The indicator lamp flashes:
DSC or DTC is regulating drive torque
and braking forces.

The indicator lamp lights up:
DTC and DSC have been deactivated together
by pressing the DTC button.

The indicator lamp lights up:
DTC has been activated by pressing
the DTC button.
The DSC indicator lamp flashes and the
DTC indicator lamp is lit:
DTC is actively regulating drive torque
and braking forces.

Malfunction in the driving stability
control systems

The warning lamp for the brake system
lights up in red, together with the yellow
indicator lamps for ABS and DSC:
The driving stability control systems
have failed.

Continue driving cautiously and defensively.
Avoid hard brake applications. Have the system
checked immediately.

Indication of the above-described mal-
function in Canadian models.

The DSC warning lamp lights up
together with the yellow warning lamp
for the brake system:
DSC, including DTC and DBC, are mal-
functioning.

The stabilizing interventions are no longer avail-
able. The vehicle remains operational. Have the
system checked as soon as possible.

Indication of the above-described mal-
function in Canadian models.