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07 Driver support
07
206
* Option/accessory, for more information, see Introduction.
The adaptive cruise control aims to follow the
vehicle ahead in the same lane according to
what the driver set for time interval (p. 209). 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. 214) 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
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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 (p. 209) at which automatic
braking ceases - the driver must then take
over himself/herself to maintain a safe dis-
tance 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
8
.
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. 229) are used in order to
alert the driver that immediate intervention is
required.
NOTE
The warning lamp may be difficult to see in
strong sunlight or when wearing sun-
glasses.
WARNING
The adaptive cruise control only warns of
vehicles which its radar unit has detected -
hence a warning may not be given, or it
may be given with a certain delay. Do not
wait for a warning without braking when so
required.
Steep roads and/or heavy load
Bear in mind that the adaptive cruise control
is primarily intended for use when driving on
level road surfaces. It may have difficulty in
keeping the correct distance from the vehicle
ahead when driving on steep downhill slopes,
with a heavy load or with a trailer - in which
case, be extra attentive and ready to slow
down.
Related information
•
Adaptive cruise control - ACC* (p. 204)
•
Adaptive cruise control* - deactivate
(p. 211)
•
Adaptive cruise control* - overtaking
another vehicle (p. 210)
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Queue Assist (p. 211) (in cars with automatic gearbox) can operate in the range 0-200 km/h.
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NOTE: The illustration is schematic - details may vary depending on car model.
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