GMC Acadia Denali 2012, Owner'S Manual, Page: 287 / 456

Black plate (33,1)
GMC Acadia/Acadia Denali Owner Manual - 2012
Driving and Operating 9-33
PARK ASST BLOCKED SEE
OWNERS MANUAL:
This
message can occur under the
following conditions:
. 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 ‑ 81 .
. The park assist sensors are
covered by frost or ice. Frost or
ice can form around and behind
the sensors and may not always
be seen; this can occur after
washing the vehicle in cold
weather. The message may not
clear until the frost or ice has
melted.
. A trailer was attached to the
vehicle, or an object was
hanging out of the liftgate during
the last drive cycle. Once the
object is removed, URPA will
return to normal operation.
. A tow bar is attached to the
vehicle.
. The bumper is damaged. Take
the vehicle to your dealer to
repair the system.
. Other conditions, such as
vibrations from a jackhammer or
the compression of air brakes on
a very large truck, are affecting
system performance.
Rear Vision
Camera (RVC)
The vehicle may have a rear vision
camera system. Read this entire
section before using it.
{
WARNING
The RVC system does not display
pedestrians, bicyclists, animals,
or any other object located
outside the cameras field of view,
below the bumper, or under the
vehicle.
(Continued)
WARNING (Continued)
Do not back the vehicle using
only the RVC screen or by using
the screen during longer, higher
speed backing maneuvers,
or where there could be
cross-traffic. Perceived distances
may be different from actual
distances.
Failure to use proper care before
backing may result in injury,
death, or vehicle damage. Always
check before backing by checking
behind and around the vehicle.