See also:

Jump Starting
For more information about the vehicle battery, see Battery on page 10‑26. Jump starting can be used on vehicles with run&-down batteries by using jumper cables and another vehicle. WARN ...

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. ...

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhau ...