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6
All Wheel Drive (AWD)
Your Volvo can be equipped with All Wheel
Drive, which means that power is distributed
automatically between the front and rear wheels.
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. 377)
•
Low Speed Control (LSC)* (p. 390)
6
Standard equipment on certain models.
Not available on all models.
7
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
•
7
Hill Descent Control*
Related information
•
Brakes (p. 383)
•
Parking brake (p. 386)
•
Hill Descent Control (HDC) (p. 391)
•
Auto-hold brake function (p. 390)
STARTING AND DRIVING
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.
The power brakes only function when the engine
is running.
If the power brakes are not working, considerably
higher pressure will be required on the brake
pedal to compensate for the lack of power assis-
tance. This can happen for example when towing
your vehicle or if the engine is switched off when
the vehicle is rolling. The brake pedal feels stiffer
than usual.
When the Hill Start Assist function is being used,
it will take slightly longer for the brake pedal to
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383
* Option/accessory.
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