GM Owner Manuals - Buick

When the System Does Not Seem to
Work Properly
• The ultrasonic sensors are not clean, a red URPA
display light may illuminate when the vehicle is in
R (Reverse). Keep the rear bumper free of
mud, dirt, snow, ice and slush. For cleaning
instructions, see Washing Your Vehicle on
page 5-93.
• A trailer was attached to the vehicle, or a bicycle or
an object was hanging out of the trunk during the
last drive cycle, the red light may illuminate.
Once the attached object is removed, URPA will
return to normal operation.
• A tow bar is attached to the vehicle.
• The vehicle’s bumper is damaged. Take the vehicle
to your dealer/retailer 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 15 mph (25 km/h), take the vehicle to your
dealer/retailer.
OnStar ® System
OnStar uses several innovative technologies and live
advisors to provide a wide range of safety, security,
information, and convenience services. If the airbags
deploy, the system is designed to make an automatic
call to OnStar Emergency advisors who can request
emergency services be sent to your location. If
the keys are locked in the vehicle, call OnStar at
1-888-4-ONSTAR to have a signal sent to unlock
the doors. OnStar Hands-Free Calling, including
30 trial minutes good for 60 days, is available on most
vehicles. OnStar Turn-by-Turn Navigation service,
with one trial route, is available on most vehicles. Press
the OnStar button to have an OnStar advisor contact
Roadside Service.
OnStar service is provided subject to the OnStar Terms
and Conditions included in the OnStar Subscriber
glove box literature.
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