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07 Driver support
07
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201
WARNING
Adaptive cruise control is not a collision
avoidance system. The driver must inter-
vene if the system does not detect a vehi-
cle in front.
The adaptive cruise control does not brake
for humans or animals, and not for small
vehicles such as bicycles and motorcy-
cles. Nor for oncoming, slow or stationary
vehicles and objects.
Do not use the adaptive cruise control, for
example, in city traffic, in dense traffic, at
junctions, on slippery surfaces, with a lot
of water or slush on the road, in heavy
rain/snow, in poor visibility, on winding
roads or on slip roads.
The distance to the vehicle ahead is mainly
measured by a radar sensor. The cruise con-
trol function regulates the speed with acceler-
ation and braking. It is normal for the brakes
to emit a low sound when they are being
used by the adaptive cruise control.
WARNING
The brake pedal moves when the adaptive
cruise control brakes. Do not rest your foot
beneath the brake pedal - it may then
become trapped.
The adaptive cruise control aims to follow the
vehicle ahead in the same lane according to
what the driver set for time interval (p. 204). If
the radar sensor cannot see any vehicle in
front then the car will instead maintain the
speed set and stored by the driver. This also
takes place if the speed of the vehicle in front
exceeds the stored speed.
The adaptive cruise control aims to control
the speed in a smooth way. In situations that
demand sudden braking the driver must
brake himself/herself. This applies with large
differences in speed, or if the vehicle in front
brakes heavily. Due to limitations in the radar
sensor (p. 209) braking may come unexpect-
edly or not at all.
The adaptive cruise control can be activated
to follow another vehicle at speeds from
30 km/h
11
up to 200 km/h. If the speed falls
below 30 km/h or if the engine speed
becomes too low, the cruise control is set in
standby mode at which automatic braking
ceases - the driver must then take over him-
self/herself to maintain a safe distance to the
vehicle ahead.
Warning lamp - braking by driver
required
Adaptive cruise control has a braking
capacity that is equivalent to approx. 40% of
the car's braking capacity.
1. Collision warning system warning lamp and
warning sound
12
.
If the car needs to be braked more heavily
than the adaptive cruise control capacity and
the driver does not brake, then the warning
lamp and warning sound from the Collision
warning system (p. 224) are used in order to
alert the driver that immediate intervention is
required.
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Queue Assist (p. 206) in cars with automatic gearbox can operate in the range 0-200 km/h.
12
NOTE: The illustration is schematic - details may vary depending on car model.
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