User Manual - Page 307

For 2018 VOLVO XC90.

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DRIVER SUPPORT
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305
Standby mode on driver intervention
The Adaptive cruise control is temporarily deacti-
vated and set in standby mode if:
the foot brake is used
the gear selector is moved to N position.
the driver maintains a speed higher than the
stored speed for longer than 1 minute.
the clutch pedal is depressed for approx. 1
minute - applies to cars with manual gearbox.
A temporary increase in speed with the accelera-
tor pedal, e.g. during overtaking, does not affect
the setting - the car returns to the last stored
speed when the accelerator pedal is released.
Automatic standby mode
The adaptive cruise control is dependent on
other systems, e.g. Electronic Stability Control
ESC
38
. If any of the other systems stops working,
the adaptive cruise control is deactivated auto-
matically.
WARNING
With automatic standby mode, the driver is
warned via an acoustic signal and a message
on the driver display.
The driver must then regulate the car's
speed, apply the brakes as needed and
maintain a safe distance to other vehicles.
Automatic standby mode may occur if:
the speed is below 5 km/h (3 mph) and ACC
is uncertain whether the vehicle ahead is a
stationary vehicle or an object, such as a
speed bump.
the speed is below 5 km/h (3 mph) and the
vehicle ahead turns off so that ACC no
longer has a vehicle to follow.
speed is reduced to below 30 km/h
(20 mph) - only applies to cars with manual
gearbox.
the driver opens the door
the driver takes off the seatbelt
engine speed is too low/high
one or more wheels lose traction
brake temperature is high
the parking brake is applied
the camera and radar unit is covered by e.g.
snow or heavy rainfall (camera lens/radio
waves are blocked).
Reactivating adaptive cruise control
from standby mode
NOTE: The illustration is schematic - details may vary
depending on car model.
To reactivate ACC from standby mode:
Press the steering wheel button (1).
> The speed is then set to the most recently
stored speed.
WARNING
A significant increase in speed may follow
when the speed is resumed with the
steering wheel button.
38
Electronic Stability Control
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