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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Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation on page 10‑57. ○ Check engine oil level and oil life percentage. If needed, chang ...

Rear Vision Camera (RVC)
If available, the Rear Vision Camera (RVC) system displays part of the scene behind the vehicle. WARNING The RVC system does not display pedestrians, bicyclists, animals, or any other object located ...

Automatic Door Locks
Vehicles with an automatic lock/unlock feature enable you to program the vehicle's power door locks. This feature can be programmed through the Driver Information Center (DIC). See Vehicle Personaliza ...