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:
How to Check Automatic Transmission Fluid
Notice: Too much or too little fluid can damage the transmission. Too much can mean that some of the fluid could come out and fall on hot engine parts or exhaust system parts, starting a fire. Too lit ...
Compass Recalibration
This display allows for calibrating the compass. See Compass on page 5‑6 for more information. ...
Finding a Station
BAND: Press to switch between AM, FM, or XM™, if equipped.
(Tune): Turn to manually select radio stations.
SEEK: Press to seek the previous radio station. Press and hold for a few seconds until ...





