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04 Driver support
Adaptive Cruise Control (ACC)*
04
* Option/accessory, for more information, see Introduction.
149
2-second interval will vary according the
speed of the vehicles.
WARNING
•
Adaptive Cruise Control is not a colli-
sion avoidance system. The driver is
always responsible for applying the
brakes if the system does not detect
another vehicle.
•
Adaptive Cruise Control does not react
to people or animals, or small vehicles
such as bicycles and motorcycles. It
also does not react to slow moving,
parked or approaching vehicles, or
stationary objects.
•
Do not use Adaptive Cruise Control in
demanding driving conditions such as
city driving or other heavy traffic situa-
tions, in slippery conditions, when
there is a great deal of water or slush
on the road, during heavy rain or
snow, in poor visibility, on winding
roads or on highway on- or off-ramps.
The distance to the vehicle ahead (in the
same lane) is monitored by a radar sensor.
Your vehicle's speed is regulated by acceler-
ating and braking. The brakes may emit a
sound when they are being modulated by the
adaptive cruise control system. This is nor-
mal.
WARNING
The brake pedal moves when the adaptive
cruise control system modulates the
brakes. Do not rest your foot under the
brake pedal.
The ACC system is designed to smoothly
regulate speed. However, the driver must
apply the brakes in situations that require
immediate braking. This applies when there
are great differences in speed between vehi-
cles, or if the vehicle ahead brakes suddenly.
WARNING
Due to limitations in the radar sensor,
braking may occur unexpectedly or not at
all, see page 155.
Adaptive Cruise Control can be put in active
mode at any permitted speed. However, if the
vehicle's speed falls below 18 mph (30 km/h)
or if engine speed (rpm) becomes too low,
ACC disengages (goes into standby mode)
and will no longer modulate the brakes
2
. The
driver will then have to maintain a safe dis-
tance to the vehicle ahead.
WARNING
When Adaptive Cruise Control is in
standby mode or is switched off com-
pletely, the brakes will not be modulated
automatically. The driver must assume full
control over the vehicle.
Warning light—driver braking required
Adaptive Cruise Control can exert brake force
that is equivalent to approximately 40% of
the vehicle's total braking capacity. In situa-
tions requiring more brake force than ACC
can provide and if the driver does not apply
the brakes, an audible signal from the Colli-
sion Warning system will sound and warning
light will illuminate (see page 169) in the
windshield to alert the driver to react.
NOTE
Strong sunlight, reflections, extreme light
contrasts, the use of sunglasses, or if the
driver is not looking straight ahead may
make the visual warning signal in the wind-
shield difficult to see.
2
Does not apply to vehicles with the optional Queue Assist.
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