See also:

Instrument Panel Storage
This vehicle has an instrument panel storage area. To open the cover, press the button (A). This vehicle has an auxiliary input jack. See Auxiliary Devices on page 7‑36 for more information. ...

Storing the Spare Tire
WARNING The underbody-mounted spare tire needs to be stored with the valve stem pointing down. If the spare tire is stored with the valve stem pointing upwards, the secondary latch will not work prop ...

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. ...