BMW 640i Bedienungshandbuch PDF herunterladen (Seite 137)

A recommendation to take a break is displayed

only once during an uninterrupted trip.

After a break, another recommendation to take

a break cannot be displayed until after approxi‐

mately 45 minutes.

System limits

The function may be limited in the following

situations, for instance, and will either output

an incorrect warning or no warning at all:

▷ When the clock is set incorrectly.

▷ When the vehicle speed is mainly below

about 43 mph/70 km/h.

▷ With a sporty driving style, such as during

rapid acceleration or when cornering fast.

▷ In active driving situations, such as when

changing lanes frequently.

▷ When the road surface is poor.

▷ In the event of strong side winds.

PreCrash

The concept

With this system critical driving situations that

might result in an accident can be detected

above a speed of approx. 20 mph/30 km/h. In

these situations, preventive measures are au‐

tomatically taken to minimize the risk of an ac‐

cident as much as possible.

Critical driving situations may include:

Emergency stop.

If the vehicle includes the front-end collision

warning or front-end collision warning with

braking feature, impending collisions with vehi‐

cles driving ahead or stopped in front of you

can also be detected within the system's

range.

Note

Personal responsibility

The system cannot possibly serve as a

substitute for the driver's personal judgment of

the traffic situation. The system may not al‐

ways detect critical situations reliably and in a

timely manner. Adapt speed to traffic situation

and drive alertly; otherwise, a risk to safety may

result.◀

Function

After the safety belt is buckled, the front belts

are automatically pretensioned once after the

vehicle is driven is away.

In critical driving situations, the following indi‐

vidual functions become active as needed:

▷ The front belts are automatically preten‐

sioned.

▷ Automatic closing of the windows.

▷ Automatic Positioning of the backrest for

the front passenger seat.

After a critical driving situation without an acci‐

dent, the front belts are loosened again. All

other systems can be restored to the desired

setting.

If the belt tension does not loosen automati‐

cally, stop the vehicle and unbuckle the belt

using the red button in the buckle. Fasten the

belt before continuing on your trip.

PostCrash

In the event of an accident, the system can

bring the car to a halt automatically without in‐

tervention by the driver in certain situations.

This can reduce the risk of a further collision

and the consequences thereof.

Depressing the brake pedal can cause the ve‐

hicle to brake harder. This interrupts automatic

braking. Destepping on the gas pedal also in‐

terrupts automatic braking.

After coming to a halt, the brake is released

automatically. Secure the vehicle against roll‐

ing.

Seite 133

Safety Controls

133

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