Volvo XC 90 Owner's Manual page 271

Overview
Controls
Buttons and symbols for functions.
Increase the stored speed or reactivate the
Adaptive cruise control and resume the
stored speed
Activate the Adaptive cruise control and
store the current speed, or deactivate the
Adaptive cruise control
Reduces stored speed
Target vehicle indicator: ACC has detected
and is following a target vehicle at the preset
time interval
Driver display
Indication of speeds.
Stored speed
Speed of vehicle ahead.
Current speed of driver's vehicle.
DRIVER SUPPORT
Collision risk warning
Warning light.
Adaptive Cruise Control uses approx. 40% of the
capacity of the foot brake. If the car needs to be
braked more heavily than Adaptive Cruise Control
is capable of and the driver does not brake, the
warning lamp and acoustic warning from City
Safety are activated to alert the driver that imme-
diate intervention is required.
NOTE
The warning lamp may be difficult to see in
strong sunlight or when wearing sunglasses.
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