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Black plate (43,1)
Buick LaCrosse Owner Manual - 2011
Driving and Operating 9-43
PARK ASSIST OFF displays on the
Driver Information Center (DIC) to
indicate that URPA is off. The
message disappears after a short
period of time.
Turning the System On and Off
The URPA system can be turned on
and off using the park assist button
located next to the shift lever.
The park assist button lights up
when the system is on and turns off
when it has been disabled.
URPA defaults to the on setting
each time the vehicle is started.
When the System Does Not
Seem to Work Properly
SERVICE PARK ASSIST: If this
message occurs, take the vehicle to
your dealer to repair the system.
PARK ASSIST OFF: If the URPA
system does not activate due to a
temporary condition, the message
displays on the DIC, see Driver
Information Center (DIC)
on
page 5‑23
for more information.
This can occur under the following
conditions:
.
The driver has disabled the
system.
.
The ultrasonic sensors are not
clean. Keep the vehicle's rear
bumper free of mud, dirt, snow,
ice and slush. For cleaning
instructions, see Exterior Care
on page 10‑91
.
.
An object was hanging out of the
trunk during the last drive cycle.
Once the object is removed,
URPA will return to normal
operation.
.
The vehicle's bumper is
damaged. Take the vehicle to
your dealer to repair the system.
.
Other conditions may affect
system performance, such as
vibrations from a jackhammer or
the compression of air brakes on
a very large truck.
If the system is still disabled, after
driving forward at least 40 km/h
(25 mph), take the vehicle to your
dealer.