Volvo XC90 2007 Bedienungshandbuch PDF herunterladen (Seite 125)

124

Starting and driving

Stability system

When the stability system is in action, it may

seem like the car does not respond normally

to acceleration. This is because the system

detects the amount of friction on the road

surface and allows the different stability

system functions to operate.

The car is either equipped with STC (Stability

and Traction Control) - Stability and traction

control system or DSTC (Dynamic Stability

and Traction Control) - Dynamic stability and

traction control system.

Traction Control – (TC)

The Traction Control function transfers

power from the spinning drive wheel to the

drive wheel which has grip by braking the

spinning drive wheel. To increase forward

traction in this situation, it may be necessary

to depress the accelerator more than usual. A

pulsing sound is heard when Traction Control

is working. This is completely normal. The TC

function is most active at low speeds. It

cannot be deactivated.

Spin Control (SC)

The Stability Control function prevents the

drive wheels from slipping during acceler-

ation. This improves road safety on slippery

surfaces. Under certain conditions, such as

when driving with snow chains or in deep

snow or sand, it may be beneficial to

deactivate the SC function to increase

traction. This is done with the STC/DSTC

button.

Active Yaw Control (AYC)

The Active Yaw Control function automati-

cally brakes one or more wheels to stabilise

the car in the event of a skid. If the brake

pedal were to be depressed in this situation,

it would feel more rigid than usual and a

pulsing sound would be heard.

The AYC function is always active and cannot

be deactivated.

Function/

system

STC DSTC

1

1. Option on certain markets.

TC X X

SC X X

AYC X

WARNING!

Suppressing the STC or DSTC system

may alter the driving characteristics of the

car. Always take care when cornering and

driving in slippery conditions.

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