See also:

Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck capability combined with greater off-road versatility. It is highlighted by a bold exterior design, enhanced all-terrain ...

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system ratin ...

Using the USB Port
Radios with a USB port can control a USB storage device or an iPod® using the radio buttons and knobs. See “Playing an MP3” in CD Player on page 7‑16 or CD/DVD Player on page 7‑22 fo ...