Functional limitations
The system may not be fully functional in the
following situations:
▷ In heavy fog, rain, sprayed water or snowfall.
▷ In tight curves.
▷ If the radar sensor is dirty or covered.
Prewarning sensitivity
Depending
on the set prewarning time, this may
result in increased false warnings.
Cruise control
The concept
The system is functional at speeds beginning at
approx. 20 mph/30 km/h.
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.
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.
Seite 113
Driving comfort Controls
113
Online Edition for Part no. 01 40 2 900 405 - 03 12 490
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