BMW Z4 Roadster Owner's Handbook Manual page 196

CONTROLS
Overview
Buttons on the steering wheel
Button Function
Cruise Control on/off, see page 196.
Store current speed.
Speed Limit Assist, see page 202:
adopt the suggested speed manually.
To resume Cruise Control with last
setting, see page 198.
To interrupt Cruise Control, see
page 197.
To increase the distance, see
page 198.
Switch distance control on/off.
To reduce the distance, see
page 198.
Switch distance control on/off.
Rocker switch:
Setting the speed, see page 197.
Radar sensor
The radar sensor is located on the front in the
bumper.
Keep the radar sensor clean and unobstructed.
196
Driver Assistance Systems
Camera
The camera is located on the front side of the
rear-view mirror.
Keep the windscreen clean and clear in the area
in front of the rear-view mirror.
Area of use
The system can be used to optimum effect on
well-constructed roads.
The minimum speed that can be set is
30 km/h/20 mph.
The maximum speed that can be set is
160 km/h/100 mph.
Higher speeds can be set by switching to Cruise
Control without distance control.
The system can also be activated when the vehi‐
cle is at a standstill.
Switching Cruise Control on/off
and interrupting
Switching on
The indicator lamps are illuminated in the instru‐
ment cluster and the speedometer marker is set
to the current speed.
Cruise Control is active. The driven speed is
maintained and stored as the desired speed.
Dynamic Stability Control DSC is switched on, if
necessary.
Online Edition for Part no. xxx - X/18
Press the button on the steering wheel.