BMW 01 41 0 155 307 Manual De Usuario

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The concept
The PDC assists you when you are 
parking. A signal warns you of the real 
distance to an obstacle. To do this, four 
ultrasonic sensors in the rear bumper 
measure the distance to the nearest 
object. The range for the sensors at the 
two rear corners ends approx. 2 ft 
(60 cm) from the bumper. The range for 
the two center sensors is approx. 4.9 ft 
(1.50 meters) wide.
The system starts to operate automati-
cally about one second after you select 
"Reverse" with the ignition key in posi-
tion 2. PDC is deactivated when you shift 
back out of reverse.
Acoustical signals
The distance to the nearest object is 
indicated by a tone sounding at various 
intervals. As the distance between 
vehicle and object decreases, the inter-
vals between the tones become shorter. 
If the distance between the vehicle and 
a detected object is less than 1ft 
(30 cm), then a continuous tone will go 
off.
The warning signal is canceled after 
approx. three seconds if the distance to 
the obstacle remains constant during 
this time (if you are moving parallel to 
a wall, for instance).
System malfunctions will be indicated 
by a continuous high-pitched tone 
when the system is activated the first 
time. Please refer the problem to your 
BMW center.
The PDC does not remove the 
driver's personal responsibility for 
evaluating the distance between the 
vehicle and any obstacles. Even when 
sensors are involved, there is a blind 
spot in which objects cannot be 
detected. This applies especially in 
those cases where the system 
approaches the physical limits of ultra-
sonic measurement, as occurs with tow 
bars and trailer couplings, and in the 
vicinity of thin and painted objects.  
Certain sources of sound, such as a 
loud radio, could drown the PDC signal 
tone.
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Keep the sensors clean and free 
of ice or snow in order to ensure 
that they continue to operate effec-
tively.
Do not apply high-pressure spray to the 
sensors for a prolonged period of time. 
Maintain a distance of more than 4 in 
(10 cm).
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Park Distance Control (PDC)
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Online Edition for Part No. 01 41 0 155 307 - © 09/00 BMW AG