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STARTING AND DRIVING
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* Option/accessory.
387
All Wheel Drive (AWD)
3
Your Volvo can be equipped with All Wheel
Drive, which means that power is distributed
automatically between the front and rear wheels.
The electric motor that powers the rear wheels
enables electronic all wheel drive functionality.
Under normal driving conditions, most of the
engine's power is directed to the front wheels.
However, if there is any tendency for the front
wheels to spin, an electronically controlled cou-
pling distributes power to the wheels that have
the best traction.
AWD reacts differently, depending on the drive
mode selected.
Related information
•
Drive modes (p. 380)
•
Low Speed Control (LSC) (p. 395)
Brake functions
The vehicle's standard braking features are aug-
mented by a number of auxiliary help functions.
In addition to the wheel brakes and the parking
brake, the vehicle is equipped with several auto-
matic brake assist functions. These systems help
the driver by e.g., keeping the vehicle stationary
when the brake pedal is not depressed (at a traf-
fic light or intersection), when starting up a hill or
when driving down a hill.
These systems include:
•
Auto-hold brakes
•
Hill Start Assist
•
Braking assist after a collision
•
Hill Descent Control*
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Related information
•
Brakes (p. 387)
•
Parking brake (p. 391)
•
Hill Descent Control (HDC) (p. 396)
•
Auto-hold brake function (p. 394)
Brakes
The brake system is a hydraulic system consist-
ing of two separate brake circuits. If a problem
should occur in one of these circuits, it is still
possible to stop the vehicle with the other brake
circuit.
Brake system
If one of the brake circuits is not functioning,
more pressure will be needed on the brake pedal
(and the pedal will go down farther) for normal
braking effect.
If the brake pedal must be depressed farther
than normal and requires greater foot pressure,
the stopping distance will be longer.
Pressure on the brake pedal is enhanced by the
power braking function.
WARNING
If the vehicle does not have electrical current
and both the electric motor and gasoline
engine are switched off, the brakes cannot be
used to stop the vehicle.
When the Hill Start Assist function is being used,
it will take slightly longer for the brake pedal to
return to its normal position if the vehicle is
parked on an incline or uneven surface.
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Standard equipment on certain models.
4
Not available on all models.
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