BMW GRAN COUPE 4 Series Owner's Manual page 154

Controls
Detected vehicle
Symbol lights up orange:
A vehicle has been detected ahead of
you.
Rolling bars: the detected vehicle has driven
away.
ACC does not accelerate. To accelerate, acti‐
vate ACC by briefly stepping on the accelera‐
tor pedal, pressing the RES button or rocker
switch.
Indicator/warning lights
Symbol flashes orange:
The conditions are not adequate for
the system to work.
The system was deactivated but applies the
brakes until you actively resume control by
pressing on the brake pedal or accelerator
pedal.
Symbol flashes red and a signal
sounds:
You are requested to intervene by
braking or make an evasive maneuver.
Displays in the Head-up Display
Some system information can also be dis‐
played in the Head-up Display.
154
Driving comfort
Online Edition for Part no. 01402978272 - II/17
System limits
Detection range
The detection capacity of the system and the
automatic braking capacity are limited.
Two-wheeled vehicles driving ahead of you
for instance might not be detected.
Deceleration
The system does not decelerate when a sta‐
tionary obstacle is located in the same lane,
e.g., a vehicle at a red traffic light or at the end
of traffic congestion.
The system also does not react in the follow‐
ing situations:
▷ For pedestrians or similarly slow-moving
road users.
▷ For red traffic lights.
▷ Stationary objects.
▷ For cross traffic.
▷ For oncoming traffic.