See also:

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 v ...

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 trees ...

Remote Start Auto Seat Cool
When on, this feature will turn the vented seats on when using remote start on warm days. Press the MENU/SELECT knob when Remote Start Auto Seat Cool is highlighted. Turn the knob to select On or ...