BMW 4 Series Owner's Manual page 121

The arrangement of the buttons varies accord‐
ing to the how the vehicle is equipped or coun‐
try-specific variants.
Radar sensor
A radar sensor is located in the front bumper
for detecting vehicles on the road ahead of the
vehicle.
A dirty or covered sensor may hinder the de‐
tection of vehicles.
▷ If necessary, clean the radar sensor. Re‐
move layers of snow and ice carefully.
▷ Do not cover the view field of the radar
sensor.
Switching on/off and interrupting
cruise control
Switching on
Press the button on the steering
wheel.
The indicator lamps in the instrument cluster
light up and the marking in the speedometer is
set to the current speed.
Cruise control can be used.
Switching off
Deactivated or interrupted system
If the system is deactivated or inter‐
rupted, actively intervene by braking, steering
and, if necessary, with evasive maneuvers; oth‐
erwise, there is the danger of an accident oc‐
curring.◀
Online Edition for Part no. 0140 2 909 827 - VI/13
Driving comfort
If switching off the system while stationary,
press on the brake pedal at the same time.
Press the button.
▷ If active: press twice.
▷ If interrupted: press once.
The displays go out. The stored desired speed
and distance are deleted.
Interrupting
When active, press the button.
If interrupting the system while stationary,
press on the brake pedal at the same time.
The system is automatically interrupted in the
following situations:
▷ When the brakes are applied.
▷ When transmission position D is disen‐
gaged.
▷ When DTC Dynamic Traction Control is
activated or DSC is deactivated.
▷ When DSC is actively controlling stability.
▷ If the safety belt and the driver's door are
opened when the vehicle is standing still.
▷ If the system has not detected objects for
an extended period, e.g., on a road with
very little traffic without road edge line
markings.
▷ If the detection range of the radar is dis‐
rupted, for example, by dirt or heavy fog.
Maintaining/storing the speed
Press the button.
Or:
Controls
121