Vehicle and Power Issues :: OnStar Additional Information :: OnStar :: GMC Sierra Owners Manuals :: GMC Sierra | GMCia.com

Vehicle and Power Issues

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Additional Information / Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

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Storing the Tire Sealant and Compressor Kit
The tire sealant and compressor kit is located in the storage compartment on the driver side, at the rear of the vehicle. 1. Press down on the latch tab and pull the cover off to access the storage ...

Vehicle Reminder Messages
ICE POSSIBLE DRIVE WITH CARE This message is displayed when ice conditions are possible. TURN WIPER CONTROL TO INTERMITTENT FIRST This message is displayed when attempting to adjust the intermitten ...

Under the Hood
Both the four-cylinder and V-6 engines use direct-injection technology. An Eco mode, which is activated by a dashboard button, alters drivetrain calibrations in the four-cylinder to maximize fuel ...