OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationRear Bumper Fascia Guide Replacement
Preliminary Procedure
Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement.
Rear Bumper Fascia Guide Rivet (Qty: 4)
Special Tools
BO-594-A Hand Rivet Tongs
For equivalent regional tools, refer to Special Tools.
Rear Bumper Fascia Guide
Rear Bumper Fascia Inner ...
Roadside Assistance Program
For U.S.-purchased vehicles, call 1-800-243-8872; (Text Telephone (TTY): 1-888-889-2438).
For Canadian-purchased vehicles, call 1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
Calling for Assistance
When calling Roadside Assistance, have the following information ready:
• ...
Problems with Route Guidance
Inappropriate route guidance can occur under one or more of the following conditions:
• The turn was not made on the road indicated.
• Route guidance might not be available when using automatic rerouting for the next
right or left turn.
• The route might not be changed when using automati ...