BMW X3 Owner's Manual page 110

Controls
It maintains the speed that was set using the
control elements on the steering wheel.
The system brakes on downhill gradients if en‐
gine braking action is insufficient.
Unfavorable conditions
Do not use the system if unfavorable con‐
ditions make it impossible to drive at a constant
speed, for instance:
▷ On curvy roads.
▷ In heavy traffic.
▷ On slippery roads, in fog, snow or rain, or on
a loose road surface.
Otherwise, you could lose control of the vehicle
and cause an accident.◀
Controls
At a glance
1 System on/off, interrupt
2 Resume speed
3 Store speed
4 Store, maintain/change speed
Switching on
Press the button on the steering wheel.
The marking in the speedometer is set to the
current speed.
Cruise control can be used.
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Driving comfort
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Switching off
Deactivated or interrupted system
If the system is deactivated or interrupted,
actively intervene by braking and, if necessary,
with evasive maneuvers; otherwise, there is the
danger of an accident occurring.◀
Press the button.
▷ If active: press twice.
▷ If interrupted: press once.
The displays go out. The stored desired speed
is deleted.
Interrupting the system
When active, press the button.
The system is automatically interrupted if:
▷ The brakes are applied.
▷ The transmission position D is disengaged.
▷ DTC Dynamic Traction Control is activated
or DSC is deactivated.
▷ DSC is actively controlling stability.
▷ HDC is activated.
Maintaining/storing the current speed
Press the button.
Or
Press the rocker switch while the system is in‐
terrupted.