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3. Press the UP or DN buttons until the HUD image is
easy to see and then press the DN button until the
HUD image is as low as possible, but remains
in full view straight ahead near the front bumper.
The HUD image can only be adjusted up and down,
not side-to-side.
4. To turn the image off, turn the dimmer knob
counterclockwise until it stops.
If the sun comes out or it becomes cloudy, you may
need to adjust the HUD brightness again using
the dimmer knob. Polarized sunglasses could make the
HUD image harder to see.
When you rst start the vehicle the display will show
BUICK and the Buick logo for a few seconds. If it is cold
outside, this display may stay on for up to a minute.
Clean the inside of the windshield as needed to remove
any dirt or lm that reduces the sharpness or clarity
of the HUD image.To clean the HUD, spray household glass cleaner on a
soft, clean cloth. Wipe the HUD lens gently, then dry
it. Do not spray cleaner directly on the lens because the
cleaner could leak into the unit.
If the ignition is on and you cannot see the HUD image,
check to see if one of the following conditions exist:
The HUD unit is covered
The HUD dimmer knob is adjusted incorrectly
The HUD image is not adjusted to the proper height
Ambient light in the direction your vehicle is
facing, is low
A fuse is blown. SeeFuses and Circuit Breakers
on page 5-101.
Keep in mind that the windshield is part of the HUD.
SeeWindshield Replacement on page 5-49.
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Ultrasonic Rear Parking Assist
(URPA)
The Ultrasonic Rear Parking Assist (URPA) system is
designed to help you park, while the vehicle is in
REVERSE (R). It operates only at very low speeds,
less than 3 mph (5 km/h). URPA can help make parking
easier and to help you avoid colliding with objects
such as parked vehicles. The URPA system can detect
objects up to 5 feet (1.5 m) behind the vehicle, and
tell you how close these objects are from your
rear bumper.
Your vehicle’s URPA operates when the shift lever is
moved into REVERSE (R) and the vehicle speed is less
than 3 mph (5 km/h). Four ultrasonic sensors located
at the rear bumper are used to detect the distance to the
object. The URPA display is located inside the vehicle,
near the rear window. It has three color-coded lights
used to provide distance and system information to
the driver.
{CAUTION:
Even with the Ultrasonic Rear Park Assist
system, the driver must check carefully before
backing up. The system does not operate above
typical backing speeds of 3 mph (5 km/h) while
parking. And, the system does not detect
objects that are more than 5 feet (1.5 meters)
behind the vehicle.
So, unless you check carefully behind you
before and when you back up, you could strike
children, pedestrians, bicyclists or pets behind
you, and they could be injured or killed.
Whether or not you are using rear park assist,
always check carefully behind your vehicle
before you back up and then watch closely
as you do.
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URPA can be turned off by
pressing the rear park aid
disable switch located
in the instrument panel
switchbank. When
the system is disabled,
an indicator light will glow
on the switch. You will
not see any lights on the
rear display if the switch
is in the off position.
How the System Works
Unless disabled, the URPA will turn on automatically
when the shift lever is moved into REVERSE (R).
When the system turns on, the three lights on the
display will illuminate for one and a half seconds to
let you know that the system is working. If your vehicle
is moving in REVERSE (R) at a speed greater than
3 mph (5 km/h), the red light will ash to remind you
that the system does not work at speed greater
than 3 mph (5 km/h).If an object is detected at a REVERSE (R) speed of
less than 3 mph (5 km/h), one of the following will occur:
Description English Metric
amber light 5 ft 1.5 m
amber/amber lights 40 in 1.0 m
amber/amber/
red lights &
continuous chime20 in 0.5 m
amber/amber/
red lights ashing &
continuous chime1 ft 0.3 m
A chime will sound the rst time an object is detected
between 20 inches (0.5 m) and 5 feet (1.5 m) away.
URPA cannot detect objects that are above liftgate level.
In order for the rear sensors to recognize an object,
it must be within detection range behind the vehicle.
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