See also:

Second Row Seats
The second row seats can be folded for additional cargo space or folded and tumbled for easy entry and exit to the third row seat, if equipped. The seat has either the manual fold and tumble featu ...

Roof Rack System
WARNING If something is carried on top of the vehicle that is longer or wider than the roof rack—like paneling, plywood, or a mattress—the wind can catch it while the vehicle is being driven ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...