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. ...

Storing a Flat or Spare Tire and Tools
Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in t ...

Power Reclining Seatbacks
To adjust a power seatback, if available: - Tilt the top of the control rearward to recline. - Tilt the top of the control forward to raise. ...