BMW Z4 Roadster Owner's Handbook Manual page 197

Switching off
When switching off with the vehicle at a stand‐
still, depress the brake pedal at the same time.
Press the following button on the steering wheel
again:
Button on the steering wheel.
The displays turn off. The desired speed saved is
deleted.
Interrupting manually
When the system is activated, press the
following button on the steering wheel:
Button on the steering wheel.
If interrupting the system when the vehicle is at a
standstill, depress the brake pedal at the same
time.
Interrupting automatically
The system interrupts automatically in the
following situations:
▷ If the driver brakes.
▷ If the selector lever is moved out of selector
lever position D.
▷ If Dynamic Traction Control DTC is activated
or Dynamic Stability Control DSC deactiva‐
ted.
▷ If Dynamic Stability Control DSC intervenes.
▷ If the vehicle is stationary and the seat belt is
unfastened and the driver's door is opened.
▷ If the system has not detected any objects for
an extended period of time, for example on
roads with little traffic and without defined
boundaries.
▷ If the detection zone of the radar is disrupted,
for example, due to contamination or heavy
rainfall.
▷ After an extended stationary period, if the ve‐
hicle was decelerated to a standstill by the
system.
Driver Assistance Systems
Online Edition for Part no. xxx - X/18
Setting the speed
Maintaining and saving the speed
While the system is interrupted, press the rocker
switch up or down once. The system is activa‐
ted.
The current speed is maintained and stored as
the desired speed.
The stored speed is displayed on the speedom‐
eter.
Dynamic Stability Control DSC is switched on, if
necessary.
The speed can also be stored by pressing the
button.
Press the button.
Changing the speed
Press the rocker switch repeatedly upwards or
downwards until the desired speed is set.
If the system is active, the displayed speed is
stored and the vehicle reaches the stored speed
when the road is clear.
CONTROLS
197