BMW Z4 Roadster Owner's Handbook Manual page 200

CONTROLS
Indicator and warning lamps
Symbol Description
Green indicator lamp: the sys‐
tem is active.
No indicator lamp: the system is
switched off.
Vehicle symbol flashes:
The requirements for operation
of the system are no longer be‐
ing met.
The system has been deactiva‐
ted but will continue to brake
until you actively take over by
depressing the brake or acceler‐
ator pedal.
Vehicle symbol and distance bar
flash red and an acoustic signal
sounds:
Brake and perform an evasive
manoeuvre, if necessary.
Displays in the Head-Up Display
Desired speed
Some information from the system can also be
shown in the Head-Up Display.
The symbol is displayed when the de‐
sired speed set has been reached.
Distance information
The symbol is shown if the distance from
the vehicle in front is too short.
The distance information is active under the
following circumstances:
▷ Active Cruise Control switched off.
▷ Display in the Head-Up Display selected, see
page 154.
▷ Distance too close.
200
Driver Assistance Systems
▷
System limits
Detection range
The system's detection capability and automatic
braking capacity are limited.
For example, two-wheeled vehicles may not be
detected.
Deceleration
The system does not decelerate in the following
situations:
▷
▷
▷
▷
Vehicles pulling out
A vehicle driving ahead of you is only detected
when it is fully in your driving path.
If another vehicle suddenly pulls out in front of
you, the system might not be able to re-establish
Online Edition for Part no. xxx - X/18
Speed above approximately 70 km/h,
40 mph.
For pedestrians or similarly slow road users.
For red traffic lights.
For crossing traffic.
For oncoming vehicles.