All-Wheel Drive - Volvo XC 90 Owner's Manual

STARTING AND DRIVING
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During transport
During transport of the car on a ferry, train or
truck, the car must be lashed around the tyres
and not around other parts of the chassis.
Changes in the air suspension may occur during
transport, which could affect the lashing nega-
tively.
Related information
•
Drive modes (p. 357)
•
Loading (p. 213)
362

All-wheel drive

All-wheel drive, AWD (All Wheel Drive), means
that the car is driving all four wheels at the same
time, which improves traction.
To achieve the best possible traction and prevent
wheel spin the motive force is distributed auto-
matically to the wheels with the best grip. All-
wheel drive also has a stabilising effect at higher
speeds. Under normal driving conditions, the
majority of power is transmitted to the front
wheels.
All-wheel drive characteristics vary depending on
the selected drive mode.
Related information
•
Drive modes (p. 357)
•
Low speed control (p. 370)
Brake functions
The car's brakes are used to reduce the speed
or prevent the car from rolling.
Besides the foot brake and parking brake, the car
is equipped with several automatic brake assist
functions. These can assist the driver by not
needing to keep his/her foot on the brake pedal
when stationary at a traffic light, when starting on
an uphill gradient or when driving on a downhill
gradient.
Depending on the car's equipment, the following
auto braking functions are available:
•
Automatic braking when stationary
•
Hill start assist (Hill Start Assist)
•
Auto braking after a collision
•
Hill descent control (Hill Descent Control)*
Related information
•
Foot brake (p. 363)
•
Parking brake (p. 366)
•
Hill descent control (p. 371)
•
Hill start assist (p. 369)
•
Automatic braking when stationary (p. 369)
•
Auto braking after a collision (p. 365)
* Option/accessory, for more information, see Introduction.