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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Trailer Brake Control Panel
A. Manual Trailer Brake Apply Lever B. Trailer Gain Adjustment Buttons The ITBC system has a control panel located on the instrument panel to the left of the steering column. See Instrument Panel ...

Exterior Lamp Controls
The exterior lamps control is located on the instrument panel to the left of the steering wheel. It controls the following systems: • Headlamps • Taillamps • Parking Lamps • License Pla ...

Pairing Information
• A Bluetooth phone with MP3 capability cannot be paired to the vehicle as a phone and an MP3 player at the same time. • Up to five cell phones can be paired to the Bluetooth system. • The pai ...