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.

See also:

Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑45. For any bulb-changing procedure not listed in this section, contact your dealer. ...

Trailer Towing
Before pulling a trailer, there are three important considerations that have to do with weight: ○ The weight of the trailer ○ The weight of the trailer tongue ○ The total weight ...

Object Detection System Messages
FORWARD COLLISION ALERT OFF If your vehicle has the Forward Collision Alert (FCA) system, this message may display if the FCA system cannot activate due to a temporary condition. See Forward Coll ...