Braking With The Adaptive Cruise Control - Volvo XC 90 Owner's Manual

•
traffic in the overtaking lane is slowing
•
a car designed for right-hand traffic is being
driven in a country with left-hand traffic (or
vice versa)
Situations of this kind can be avoided by tempo-
rarily setting ACC in the standby mode.
Related information
•
Adaptive cruise control* (p. 268)
Change of target and automatic
braking with the Adaptive Cruise
Control
The Adaptive Cruise Control (Adaptive Cruise
Control - ACC) has change of target and brak-
ing functions at certain speeds.
Change of target
If the target vehicle in front suddenly turns then there
may be stationary traffic in front.
When the adaptive cruise control is following
another vehicle at speeds below
approx. 30 km/h and changes target from a mov-
ing to a stationary vehicle, the adaptive cruise
control will brake for the stationary vehicle.
DRIVER SUPPORT
WARNING
When the adaptive cruise control is following
another vehicle at speeds in excess of
approx. 30 km/h and the target is changed
from a moving vehicle to a stationary vehicle,
the adaptive cruise control will ignore the sta-
tionary vehicle and instead select the stored
speed.
The driver must then intervene him/herself
and brake.
Automatic standby mode with change of
target
The adaptive cruise control is disengaged and set
in standby mode:
•
when the speed is below 5 km/h and the
adaptive cruise control is uncertain whether
the target object is a stationary vehicle or
some other object, e.g. a speed bump.
•
when the speed is below 5 km/h and the
vehicle in front turns off so the adaptive
cruise control no longer has a vehicle to fol-
low.
Automatic braking
For shorter stops in connection with inching in
slow traffic or at traffic lights driving is automati-
cally resumed if the stops do not exceed about
3 seconds - if it takes longer before the car in
front starts moving again then the Adaptive
cruise control is set in standby mode with auto-
matic braking.
* Option/accessory, for more information, see Introduction.
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