BMW 3: Active Protection
Concept
Active Protection prepares occupants and the
vehicle for a possible accident in critical driving or
collision situations.
General information
Active Protection consists of various PreCrash
functions, which can vary depending on the
equipment.
The system is used to detect certain critical driving
situations that might lead to an accident. This
includes the following critical driving situations:
- Emergency stop.
- Severe understeering.
- Severe oversteering.
Certain functions of several systems can - within
the system limits - lead to Active Protection triggering:
- Front collision mitigation: automatic brake intervention.
- Front collision mitigation: Brake Assistant
- Rear collision preparation: detection of imminent
rear collisions.
Safety information
Warning
The system cannot serve as a substitute for the
driver's personal judgment. Due to the system
limits, critical situation could not be detected
reliably or in time. There is a risk of accident.
Adjust driving style to traffic conditions. Watch
traffic closely and actively intervene where appropriate.
Function
When the safety belt is fastened, the driver's and
passenger's belt straps are automatically tightened
once after driving away.
In accident-critical situations, the following individual
functions become active as needed:
- Automatic pretensioning of the front safety
belts.
- Automatic window closing up to a narrow
gap.
- Automatic closing of the glass sunroof, including
sun protection.
- For vehicles equipped with comfort seats in
the front: automatic positioning of the backrest
for the front passenger seat.
After a critical driving situation without an accident,
the front safety belts are loosened again.
If the belt tension does not loosen automatically,
stop the vehicle and unbuckle the safety belt using
the red button in the buckle. Fasten the
safety belt before continuing on your trip.
All other systems can be restored to the desired
setting.
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Concept
In the event of an accident, the system can bring
the vehicle to a halt automatically without intervention
by the driver in certain situations. This
can reduce the risk of a further collision
General information
The system can detect decreasing alertness or
fatigue of the driver during long, monotonous
trips, for instance on highways. In this situation, it
is recommended that the driver ta
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The cooling system has 2 operating conditions, which result from its
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Cooling OFF operating condition
The "Cooling OFF" operating condition is active when the cell temperature is
in or below an optimal
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The brake booster is operated via the driver's foot operation, and the brake
actuation is determined by
means of the brake pedal angle sensor.
Depending on the brake pedal angle sensor signal, the valves in the Dynamic
Stability Control (DSC)
are switched so that