See also:

A Transformative Engine
You might be thinking, "How can GMC's compact pickup feel like a muscle car?" Well, there's more to it than stuffing a 5.3-liter V-8 under the hood, but that engine goes a long way towar ...

Front Seats
The front seats have adjustable head restraints in the outboard seating positions. WARNING With head restraints that are not installed and adjusted properly, there is a greater chance that occupants ...

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 on page 9‑64. Added electrical equipment ...