See also:

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. ...

Lower Anchors
Lower anchors (A) are metal bars built into the vehicle. There are two lower anchors for each LATCH seating position that will accommodate a child restraint with lower attachments (B). ...

Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if: The key is in the ignition (key access) or if the key is in the vehicle (keyless access). The hood is not closed. The hazard warning fl ...