Cellular and GPS Antennas :: OnStar Additional Information :: OnStar :: GMC Sierra Owners Manuals :: GMC Sierra | GMCia.com

Cellular and GPS Antennas

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Additional Information / Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.

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Shifting Into Park
WARNING It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. If you have left the engine running, the veh ...

Remote Keyless Entry (RKE) System
See Radio Frequency Statement on page 13‑22 for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. If there is ...

Care of the HUD
Clean the inside of the windshield as needed to remove any dirt or film that could reduce the sharpness or clarity of the HUD image. To clean the HUD lens, use a soft, clean cloth that has household ...