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Driving safety systems
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Warning!
BAS Plus is a convenience system designed
to assist the driver during vehicle
operation. The responsibility for the vehicle
speed and the distance to the vehicle
ahead, including most importantly brake
operation to assure safe stopping distance,
always remains with the driver.
Always pay attention to traffic conditions
even while BAS Plus is switched on.
Otherwise, you may not be able to
recognize dangerous situations until it is
too late and could cause an accident
resulting in personal or fatal injury to you
or others.
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This device has been approved by the FCC
as a “Vehicular Radar System”. The radar
sensor is intended for use in an automotive
radar system only. Removal, tampering, or
altering of the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
BAS Plus detects obstacles that are in your
driving path for a sufficient period of time to
permit the system to recognize these
obstacles. If you approach the detected
obstacle quickly, BAS Plus calculates the
level of brake power boost appropriate for the
circumstance to supply when the driver
applies the brakes.
When you step quickly on the brake pedal in
an emergency braking situation, BAS Plus
automatically regulates the brake power
boost to a level that is suitable for the traffic
situation.
If BAS Plus requires a particularly high brake
power boost, PRE-SAFE
®
is activated at the
same time.
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Keep constant pressure on the brake pedal
until the emergency braking situation is
over.
During this process, the ABS prevents the
wheels from locking up.
The brakes will resume normal operation
after
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the brake pedal is released
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no obstacles are detected in your path
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the system no longer senses a risk of a
collision
BAS Plus is then deactivated.
BAS Plus can react to stationary obstacles
such as standing or parked vehicles at road
speeds of up to approximately 40 mph
(70 km/h).
BAS Plus can only assist you when the radar
sensors are switched on and functional. You
can check whether the sensors are active by
switching on DISTRONIC Plus (Y page 350)
or using the Radar sensors function
(Y page 247) in the instrument cluster
control system.
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Warning!
BAS Plus will only respond with brake
assistance if it has clearly detected an
object. Detection can be impeded by
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dirty or covered sensors
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snowfall or heavy rain
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disturbance from other radar sources
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strong radar reflection such as in parking
garages
BAS Plus uses radar signals that are not
reflected well by narrow objects and
absorptive materials. For this reason BAS
Plus will not react to persons, animals, and
approaching traffic or cross-traffic.
BAS Plus may not detect narrow vehicles
driving in front of you, such as motorcycles
Safety and security
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