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116
Ad a pti ve crui se co nt rol
brake and take evasive action to avoid
collisions and other accident situations.
- Never allow the closing speed between
you and other vehicles to be so high that
the adaptive cruise control may not be
able to slow your vehicle safely. If clos-
ing speed is too high, you must apply the
brakes yourself to reduce the risk of a
rear-end crash.
- Never rest your foot on the accelerator
pedal, especially when the adaptive
cruise control is being used. Pressure on
the accelerator will override the ACC
braking function and prevent the brakes
from being applied when ACC detects a
situation when the brakes must be ap-
plied.
- Never use adaptive cruise contro l when
you cannot drive safely at a steady
speed, including on city streets, on wind-
ing roads or when road conditions are
poor (for example, on ice, gravel, in fog,
heavy rain or on wet roads that increase
the risk of hydroplaning) .
- The radar sensor's vision can be reduced
by rain, snow and heavy road spray.
These and sim ilar condit ions can prevent
vehicles up ahead from being accurately
detected and in some cases they may not
be detected at all. Do not use ACC when
the radar sensors cannot accurately de-
tect vehicles moving ahead of yo u in traf-
fic .
- Always turn off adaptive cruise contro l
when entering turn lanes, exit lanes and
construction zones or in similar situa-
t ions because the vehicle will automati-
cally accelerate to the stored speed when
the road ahead is clear.
- To prevent unintended operation, always
switch ACC off when it is not being used.
(D
Tips
- For safety reasons, the stored speed is
deleted when the ignition is turned off .
- The Electronic Stab ilizat ion Control (ESC)
is automatically turned on when the
adaptive cruise control is turned on. You
cannot switch the ESC into offroad mode
w hile the adaptive cruise contro l is
t urned on <=> page 224.
- Damage caused by accidents and some
mino r collisions can affect the radar sen-
sor settings and cause the system to
malf unction or switch off completely.
- The radar sensor cover is heated. In win -
ter conditions, you should st ill check be-
fore dr iving to make sure it is free of ice
and snow. If necessary, clean the area
near the radar sensor carefully
<=> fig . 129 .
- To ensure that the radar sensor is not
blocked, foreign objects (e.g. stickers,
larger license plate mounts, add-on
part s) must not cover the area near the
radar sensor <=> fig. 129. The area near
the radar sensor must not be painted, ei-
ther.
- For Declaration of Compliance to United
States FC C and Ind ustry Canada regula-
tions <=> page 329.
How does adaptive cruise control work?
Appli es to vehicles: wi th adapt ive cruise contro l
Vehicles traveling ahead are detected with
the aid of a radar sensor.
Fig. 1 30 Basic principl e diag ram: Radar sensor meas-
urement range
Adaptive cruise cont rol uses a radar sensor in
the front of the vehicle <=> fig. 130. The syst em
has li mitations <=> page 127. Things that are
not moving in your lane and in your direction
of t ravel will not be detected. The sensor
measures the distance to reflect ive surfaces
tha t must have a cert ain size. The system re-
spond s on ly after the distance measurement
..,.
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