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Parking Aids
Parking Assist ant (ParkAs sistant)
Function of the parking assistant
When the driver backs up, the parking assi stant
system indica tes the d istance between the c ar
and a large obstacle behind it, by means of signal
tones.
Danger!
Risk of serious personal injury or death.
ParkAssistant cannot detect small objects
such as children and pets. Despite use of the
parking assistant system, the driver is still
responsible for taking due care and assessing
obstacles when backing up.
Make sure that no persons, especially small
children, animals or obstacles are within the
maneuvering area.
The parking assistant system is activated automati-
cally when reverse gear is selected and the ignition
is on.
Note
Be aware that the parking assistant system is
not switched on if the car rolls backward without
reverse gear being engaged.
Ultrasound sensors
Sensors
Four ultrasound sensors in the rear bumper
measure the distance to the closest obstacle.
– Range middle sensors around 60 in./150 cm
– Range outer sensors around 24 in./60 cm
Obstacles cannot be detected in the “blind” sensor
area (e.g. near the ground).
Note
The sensors must always be kept free of dust,
ice and snow in order to ensure that they are fully
functional.
Caution!
To avoid damaging the senso rs:
Maintain sufficient distance when cleaning with
steam-jet units.
Signal ton es/function
When reverse gear is selected, the parking
assistant confirms that it is switched on by issuing
a short signal tone. A detect ed obstacle is
signalled by an intermittent tone. The intervals
decrease as the obstacle is approached. A
continuous tone sounds when the distance
becomes less than one foot. This continuous tone
can stop if the obstacle is approached closer than
one foot. The radio volume should not be so
loud as to d rown out the signal tones.
Limits of ultrasonic measurement
The parking assistant system cannot detect:
– sound-absorbing obstacles (e.g. wint er
operati on, powder snow),
– sound-reflecting obstacles (e.g. glass
surfaces, flat painted surfaces)
– and very thin obstacles.
Other ultrasound sources (e.g. pneumatic brakes
of other vehicles, jackhammers) can interfere with
detection of obstacles.
Controls, Instrume nts
79
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