BMW Z4 Roadster Owner's Handbook Manual page 203

▷ "Adjust automatically": the detected
speed limit is adopted automatically.
▷ "Adjust manually": the detected speed
limit can be adopted manually.
▷ "Show anticipation": detected speed lim‐
its are displayed in the instrument cluster
without being adopted.
▷ "Off": Speed Limit Assist is switched off.
Displays in the instrument
cluster
A message is displayed in the instrument cluster
if the system and the Cruise Control are
switched on.
Symbol Function
The indicator lamp is illuminated
green, together with the symbol for
the speed control system:
Speed Limit Assist is active and
detected speed limits can be
adopted manually for the displayed
system.
Detected change in speed limit de‐
tected with immediate effect.
Distance data behind the symbol
indicates there might be a change
in the speed limit up ahead.
Indicator lamp is illuminated green:
the detected speed limit can be
adopted with the SET button.
As soon as the speed limit has
been adopted, a green tick is dis‐
played.
Adopting the detected speed
limit manually
In manual mode, a detected speed limit can be
manually adopted for Cruise Control.
As soon as the SET symbol lights up,
press the button.
Driver Assistance Systems
Online Edition for Part no. xxx - X/18
Setting the speed adjustment
It is possible to set whether the speed limit
should be accepted exactly, or with a tolerance
of –15 km/h, –10 mph to +15 km/h, +10 mph.
Via iDrive:
1. "CAR"
2. "Settings"
3. "Driver assistance"
4. "Driving"
5. "Speed Assistant"
6. "Adjust speed limits"
7. Confirm the desired setting.
System limits
Speed Limit Assist based on the Speed Limit
Info system.
Take into account the Speed Limit Info system
limits, see page 151.
Depending on the country, displayed speed lim‐
its may not be available for acceptance, or only
available with restrictions, for example with speed
information from the navigation system.
Cruise Control without distance control: depend‐
ing on the system, it may not be possible to
adopt speed limits automatically.
Speed limits that are ahead may only be adopted
for Active Cruise Control.
The system may not respond to speed limits if
the navigation system cannot determine the po‐
sition of the vehicle with certainty.
Park Distance Control PDC
Principle
PDC provides assistance when parking the vehi‐
cle. Objects in front of or behind the vehicle as it
slowly approaches are indicated by means of
acoustic signals and a display on the Control Dis‐
play.
CONTROLS
203