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08 Starting and driving
All Wheel Drive - AWD*
The best traction possible is achieved with all-
wheel drive.
All Wheel Drive is always available
All Wheel Drive (All Wheel Drive) means that
the car is driving all four wheels at the same
time.
The power is automatically distributed
between the front and rear wheels. An elec-
tronically controlled clutch system distributes
the power to the wheels that have the best
grip on the current road surface. This pro-
vides the best traction and prevents wheel
spin. Under normal driving conditions, the
majority of power is transmitted to the front
wheels.
All Wheel Drive improves driving safety in
08
rain, snow and icy conditions.
*
290
Option/accessory, for more information, see Introduction.
Foot brake
The foot brake is used to reduce the car's
speed while driving.
The car is equipped with two brake circuits. If
one brake circuit is damaged then this will
mean that the brakes engage at a deeper
level and higher pedal pressure is needed to
produce the normal braking effect.
The driver's brake pedal pressure is assisted
by a brake servo.
WARNING
The brake servo only works when the
engine is running.
If the brake is used when the engine is
switched off then the pedal will feel stiff and a
higher pedal pressure must be used to brake
the car.
In very hilly terrain or when driving with a
heavy load the brakes can be relieved by
using engine braking. Engine braking is most
efficiently used if the same gear is used
downhill as up.
For more general information on heavy loads
on the car, see Engine oil - adverse driving
conditions (p. 395).
Cleaning the brake discs
Coatings of dirt and water on the brake discs
may result in delayed brake function. With
wet road surfaces, prior to long-stay parking
and after the car has been washed, it is
advisable to carry out cleaning by braking
gently for a short period while driving.
Maintenance
To keep the car as safe and reliable as possi-
ble, follow the Volvo service intervals as
specified in the Service and Warranty Book-
let.
IMPORTANT
The wear on the brake system's compo-
nents must be checked regularly.
Contact a workshop for information about
the procedure or engage a workshop to
carry out the inspection - an authorised
Volvo workshop is recommended.
Symbols and messages
Symbol
Specification
Constant glow – Check the
brake fluid level. If the level is
low, fill with brake fluid and
check for the cause of the
brake fluid loss.
Constant glow for 2 seconds
when the engine is started -
automatic function check.
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