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Parking Aids
Parking Assist ant (ParkAs sistant)
Function of the parking assistant
When the drive r bac ks up, the park ing as sistant
system indica tes the distan ce betw een the car
and a large obstacle behind it, by means of signal
tones.
Danger!
Risk of serious pe rsonal injury or death.
ParkAssistant cannot detect small objects
such as children and pets. Despite use of th e
parking assistant system, the driver is still
responsible for taking due care and assessing
obstacles when backing up.
Make su re that no persons, especially small
children, animals or obstacles are within the
maneuvring area.
The p arking 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 sw itched on if the car rolls backward without
reverse gear being engaged.
Ultrasound sen sors
Sensors
Four ultrasou nd sensors in the rear bu mper
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 detecte d in the “blind” sensor
area (e.g. near the ground).
Note
The sensors mu st always be kept free of dust,
ice and snow in order to ensure that they are fully
functional.
Caution!
To avoid damaging t he sensors:
Maintain sufficient d istance when cleaning with
steam-jet units.
Signal ton es/function
When reverse gear is selected, the pa rking
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 sound s 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. winter
operati on, powder snow),
– sound-reflecting obstacles (e.g. glass
surfaces, flat painted surfaces)
– and very thi n obstacles.
Other ultrasound sources (e.g. pneumatic brakes
of other vehicl es, jack hammers) can interfere with
detection of obstacles.
Controls, In s truments
77
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