2010 BMW X3 Owner's Manual - Page 54

2010 BMW X3 Manual

Page 54 highlights

Technology for comfort, convenience and safety jointly. These systems do not take their customary stabilizing actions. To increase vehicle stability, reactivate DSC as soon as possible. For monitoring purposes When the indicator lamp flashes: DTC is controlling the drive forces and braking forces. When the indicator lamp lights up: DTC is activated. Activating DSC Press the button again; the indicator lamp in the instrument cluster goes out. For monitoring purposes When the indicator lamp flashes: DSC is controlling the drive and braking forces. When the indicator lamp lights up: DSC is deactivated. Deactivating DTC Press the button again; the DTC indicator lamp in the instrument cluster goes out. xDrive xDrive is the all-wheel drive system of your BMW. The combined effects of xDrive and DSC further optimize the traction and dynamic driving characteristics. The all-wheel drive system xDrive variably distributes the drive torque to the front and rear axle depending on the driving situation and prevailing road conditions. DTC Dynamic Traction Control DTC is a variation of DSC that is optimized for forward momentum for particular road conditions, e.g. unplowed snow-covered roads. In this mode, the system assures maximum forward momentum, but with limited driving stability. For this reason, drive with corresponding caution. In the following exceptional circumstances, it may be useful to temporarily activate DTC: > When driving on snow-covered inclines, in slush, or on unplowed, snow-covered roads > When freeing a stuck vehicle or starting up in deep snow, sand, or on a loose ground surface > When driving with snow chains* HDC Hill Descent Control The concept HDC is a system for hill descent assistance that reduces the speed on steep downward inclines and makes it even easier to control the driving characteristics of your BMW under these conditions. The vehicle moves at slightly more than walking speed without active intervention from the driver. You can activate HDC at vehicle speeds below approx. 20 mph/35 km/h. If it is traveling down a steep slope at a speed below approx. 20 mph/ 35 km/h, the vehicle then automatically decelerates down to slightly more than walking speed, approx. 5 mph/8 km/h, and then keeps this speed constant. You can use the accelerator or brakes to vary this automatically controlled speed within a range extending from approx. 3 mph/5 km/h to 15 mph/25 km/h. You can specify a target speed within the same range by using the +/- buttons of the cruise control on the steering wheel. Activating DTC Press the button; the DTC indicator lamp in the instrument cluster lights up. 52 Online Edition for Part no. 01 41 2 602 348 - © 02/09 BMW AG

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Technology for comfort, convenience and safety
52
jointly. These systems do not take their cus-
tomary stabilizing actions.
To increase vehicle stability, reactivate DSC as
soon as possible.
Activating DSC
Press the button again; the indicator lamp in the
instrument cluster goes out.
For monitoring purposes
When the indicator lamp flashes:
DSC is controlling the drive and braking
forces.
When the indicator lamp lights up:
DSC is deactivated.
DTC Dynamic Traction Control
DTC is a variation of DSC that is optimized for
forward momentum for particular road condi-
tions, e.g. unplowed snow-covered roads. In
this mode, the system assures maximum for-
ward momentum, but with limited driving stabil-
ity. For this reason, drive with corresponding
caution.
In the following exceptional circumstances, it
may be useful to temporarily activate DTC:
>
When driving on snow-covered inclines, in
slush, or on unplowed, snow-covered roads
>
When freeing a stuck vehicle or starting up
in deep snow, sand, or on a loose ground
surface
>
When driving with snow chains
*
Activating DTC
Press the button; the DTC indicator lamp in the
instrument cluster lights up.
For monitoring purposes
When the indicator lamp flashes:
DTC is controlling the drive forces and
braking forces.
When the indicator lamp lights up:
DTC is activated.
Deactivating DTC
Press the button again; the DTC indicator lamp
in the instrument cluster goes out.
xDrive
xDrive is the all-wheel drive system of your
BMW. The combined effects of xDrive and DSC
further optimize the traction and dynamic driv-
ing characteristics. The all-wheel drive system
xDrive variably distributes the drive torque to
the front and rear axle depending on the driving
situation and prevailing road conditions.
HDC Hill Descent Control
The concept
HDC is a system for hill descent assistance that
reduces the speed on steep downward inclines
and makes it even easier to control the driving
characteristics of your BMW under these condi-
tions. The vehicle moves at slightly more than
walking speed without active intervention from
the driver.
You can activate HDC at vehicle speeds below
approx. 20 mph/35 km/h. If it is traveling down a
steep slope at a speed below approx. 20 mph/
35 km/h, the vehicle then automatically decel-
erates down to slightly more than walking
speed, approx. 5 mph/8 km/h, and then keeps
this speed constant.
You can use the accelerator or brakes to vary
this automatically controlled speed within a
range extending from approx. 3 mph/5 km/h to
15 mph/25 km/h.
You can specify a target speed within the same
range by using the +/– buttons of the cruise
control on the steering wheel.
Online Edition for Part no. 01 41 2 602 348 - © 02/09 BMW AG