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Black plate (42,1)
Buick LaCrosse Owner Manual - 2011
9-42 Driving and Operating
Object Detection
Systems
Ultrasonic Parking Assist
For vehicles with the Ultrasonic
Rear Parking Assist (URPA) system,
it assists the driver with parking and
avoiding objects while in
R (Reverse). URPA operates at
speeds less than 8 km/h (5 mph),
and the sensors on the rear bumper
detect objects up to 2.5 m (8 ft.)
behind the vehicle, and at least
20 cm (8 in.) off the ground.
{
WARNING
The Ultrasonic Rear Parking
Assist (URPA) system does not
replace driver vision. It cannot
detect:
.
Objects that are below the
bumper, underneath the
vehicle, or too close or far
from the vehicle
.
Children, pedestrians,
bicyclists, or pets.
If you do not use proper care
before and while backing, vehicle
damage, injury, or death could
occur. Even with URPA, always
check behind the vehicle before
backing up. While backing, be
sure to look for objects and check
the vehicle's mirrors.
How the System Works
URPA comes on automatically when
the shift lever is moved into
R (Reverse). A single tone sounds
to indicate the system is working.
URPA operates only at speeds less
than 8 km/h (5 mph).
An obstacle is indicated by audible
beeps. The interval between the
beeps becomes shorter as the
vehicle gets closer to the obstacle.
When the distance is less than
30 cm (12 in.) the beeps are
continuous.
To be detected, objects must be at
least 20 cm (8 in.) off the ground
and below trunk level. Objects must
also be within 2.5 m (8 ft.) from the
rear bumper. The distance objects
can be detected may be less during
warmer or humid weather.