BMW 05 3 Bedienungshandbuch PDF herunterladen (Seite 79)

Technology for driving comfort and safety

78

4. Select "PDC" and press the controller.

5. Select "PDC display on" and press the con-

troller.

6. The PDC screen is activated.

The display is shown on the Control Display as

soon as PDC is activated.

System limitations

Even with PDC, final responsibility for

estimating the distance between the

vehicle and any obstructions always remains

with the driver. Even when sensors are pro-

vided, there is a blind spot in which objects can

no longer be detected. The system is also sub-

ject to the physical limits that apply to all forms

of ultrasonic measurement, such as those

encountered with trailer towbars and couplings,

thin and wedge-shaped objects, etc. Low

objects already indicated, such as a curb, may

enter the sensors' dead areas before a continu-

ous audible signal is given. Higher, protruding

objects, such as ledges, may not be detectable.

Loud sound sources outside or inside the car

can drown out the PDC signal.<

Keep the sensors clean and free of ice or

snow in order to ensure that they will con-

tinue to operate effectively.

Do not spray the sensors for a long period of

time using high-pressure cleaners and maintain

a distance of at least 4 in/10 cm when spraying

the sensors.<

Driving stability control

systems

Your BMW has a number of systems that help

to maintain the vehicle's stability even in

adverse driving conditions.

ABS Antilock Brake System

ABS prevents locking of the wheels during

braking. Safe steering response is maintained

even during full braking. Active safety is thus

increased.

The ABS is operational every time you start the

engine. Braking safely, refer to page 107.

Electronic brake-force distribution

The system controls the brake pressure in the

rear wheels to ensure stable braking behavior.

DBC Dynamic Brake Control

When you apply the brakes rapidly, this system

automatically produces the maximum braking

force boost and thus helps to achieve the short-

est possible braking distance during full brak-

ing. This system exploits all of the benefits pro-

vided by ABS.

Do not reduce the pressure on the brake pedal

for the duration of the brake application. If the

brake pedal is released, DBC will be switched

off.

DSC Dynamic Stability Control

DSC prevents the driving wheels from losing

traction when you pull away from rest or accel-

erate. DSC also recognizes unstable driving

conditions, for example if the rear of the car is

about to swerve or if momentum is acting at an

angle past the front wheels. In these cases,

DSC helps the vehicle maintain a safe course

within physical limits by reducing engine output

and through braking actions at the individual

wheels.

The laws of physics cannot be repealed,

even with DSC. An appropriate driving

style always remains the responsibility of the

driver. Therefore, do not reduce the additional

safety margin again by taking risks.<

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