Driver Assistance Systems - BMW Z4 Roadster Owner's Handbook Manual

CONTROLS

Driver Assistance Systems

Vehicle equipment
This chapter describes all standard, country-spe‐
cific and special equipment available for the
model series. It may therefore describe equip‐
ment and functions which are not installed in
your vehicle, for example on account of the op‐
tional equipment selected or the country specifi‐
cation. This also applies to safety-relevant func‐
tions and systems. Please comply with the
relevant laws and regulations when using the
corresponding functions and systems.
Manual Speed Limiter
Principle
The system can be used to set a speed limit so
that speed restrictions are not exceeded.
General
The system enables speeds from a value of
30 km/h/20 mph and above to be set as a speed
limit. Below the set speed limit, the vehicle can
be driven without restriction.
Overview
Buttons on the steering wheel
Button Function
System on/off, see page 190.
Store current speed.
Speed Limit Assist, see page 202:
adopt the suggested speed manually.
Rocker switch:
Changing the speed limit, see
page 191.
190

Driver Assistance Systems

Operation
Switching on
The current speed is adopted as the speed limit.
When switching on at a standstill or driving at low
speed, 30 km/h/20 mph is set as the speed limit.
The speedometer marker is set to the corre‐
sponding speed.
When activating the speed limit it is possible that
Dynamic Stability Control DSC will be switched
on and the drive mode switched to COMFORT.
Switching off
The system switches off automatically in the
following situations, for example:
▷
▷
▷
The displays turn off.
Interrupting
The system is interrupted when reverse gear is
engaged or the transmission is in neutral.
Online Edition for Part no. xxx - X/18
Press the button on the steering wheel.
Press the button on the steering wheel.
When switching the engine off.
When switching on Cruise Control.
When activating some programs using the
drive experience switch.