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:
Selecting an XM Channel
XM channels can be selected by using SEEK, SEEK, the TUNE
knob, or the menu system.
Selecting a Channel Using SEEK or SEEK (Radio with CD)
- Press and release SEEK or SEEK to go to the
previou ...
Buying New Tires
GM has developed and matched specific tires for the vehicle. The original
equipment tires installed were designed to meet General Motors Tire Performance
Criteria Specification (TPC Spec) system rat ...
Capacities and Specifications
The following approximate capacities are given in metric and English
conversions. See Recommended Fluids and
Lubricants for more information.
Engine Specifications
...