Diagnostics
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, push
, and an Advisor can run a check.
See also:
Using the Dial Command
1. Press
.
► For vehicles without a navigation system, the system responds “Ready,” followed by a tone.
► For vehicles with a navigation system, the system responds with a tone. Aft ...
Global Positioning
System (GPS)
• Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels,
underpasses, or parking
garages; or in an area with very
dense tr ...
Collision Parts
Genuine GM Collision parts are new parts made with the same materials and construction
methods as the parts with which the vehicle was originally built. Genuine GM Collision
parts are the best cho ...