Buick Enclave: Ultrasonic Parking Assist
If available, the Ultrasonic Rear Parking Assist (URPA) system assists the driver with parking and avoiding objects while in R (Reverse). URPA operates at speeds less than 8 km/h (5 mph).
The sensors on the rear bumper are used to detect objects up to 2.5m(8 ft) behind the vehicle, and at least 25 cm (10 in) off the ground.
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WARNING
The URPA system does not detect pedestrians, bicyclists, animals, or any other
objects located below the bumper or that are too close or too far from the vehicle.
To prevent injury, death, or vehicle damage, even with URPA, always check behind
the vehicle and check all mirrors before backing.
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 beeping is a continuous tone for five seconds.
To be detected, objects must be at least 25 cm (10 in) off the ground and below liftgate level. Objects must also be within 2.5 m (8 ft) from the rear bumper. This distance may be less during warmer or humid weather.
Turning the System On and Off
The system can be disabled through the Driver Information Center (DIC).
See “Park Assist” under Vehicle Personalization for more information.
URPA defaults to the on setting each time the vehicle is started.
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARK ASSIST: If this message occurs, take the vehicle to your dealer to repair the system.
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 .► 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.READ NEXT:
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
Fuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when
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Pistons, Connecting Rods & Bearings
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NOTE: Examples used in this article are general in nature and do not
necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, asse
Headlamp High/ Low-Beam Changer
Headlamp High/Low-Beam Changer:
Push the turn signal/lane change lever away from you to turn the high beams on.
Pull the lever toward you to return to low beams.
This indicator light turns on in the instrument panel cluster when the high-beam
headlamps are on.
