Service and Maintenance

See also:

OnStar Additional Information
Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owners ...

Using the Radio
(Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. (Information) (AM-FM Radio and AM-FM Radio with CD): Press to switch the ...

Instrument Cluster
English Light Duty Premium Shown. Metric, Uplevel, Base and Heavy Duty Similar. For vehicles with a DURAMAX® Diesel engine, see the DURAMAX® Diesel Supplement for more information. For vehicle ...