2008 328XI Owner's Manual for Vehicle

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Controls

Reference At a glanceDriving tipsCommunications NavigationEntertainmentMobility

Deactivating DSC

Press the button for at least 3 seconds; the indi-

cator lamps for DSC in the instrument cluster

light up. Dynamic Traction Control DTC and

DSC have been simultaneously deactivated.

Stabilizing and drive-output promoting actions

are no longer executed.

328i, 335i: in the same way as with a differential

interlock, even if DSC is deactivated, brake

actions are still performed on the rear axle to

enhance drive output if the drive wheels experi-

ence a significant loss of traction.

To increase vehicle stability, activate DSC again

as soon as possible.

Activating DSC

Press the button again; the indicator lamps in

the instrument cluster go out.

For better control

If the indicator lamp flashes:

DSC controls the drive forces and

brake forces.

If the indicator lamps are on:

DSC is deactivated.

DTC Dynamic Traction Control

DTC is a version of DSC in which the drive out-

put is optimized for particular road conditions,

e.g. unplowed snow-covered roads. The sys-

tem assures the maximal drive output, but with

reduced driving stability. It is therefore neces-

sary to drive with appropriate caution.

You may find it useful to briefly activate DTC

under the following special circumstances:

> When driving uphill on snow-covered roads,

in slush or on unplowed, snow-covered

roads

> When rocking a stuck vehicle free or start-

ing off in deep snow or on loose ground

> When driving with snow chains

Activating DTC

Press the button; the indicator lamps for DTC in

the instrument cluster come on.

For better control

If the indicator lamp flashes:

DTC controls the drive forces and

brake forces.

If the indicator lamps are on:

DTC has been activated.

Deactivating DTC

Press the button again; the DTC indicator

lamps in the instrument cluster go out.

xDrive*

xDrive is your BMW's four-wheel-drive system.

The combined efforts of xDrive and DSC help to

further optimize traction and driving dynamics.

The xDrive four-wheel-drive system distributes

driving power variably to the front and rear axles

depending on the driving situation and road

conditions.

HDC Hill Descent Control*

HDC is a downhill driving assistant that controls

your speed on steep downhill gradients and

makes it even easier to control your BMW's

handling under these conditions. The vehicle

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Owner's Manual for Vehicle - Page 89