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 ...

Bluetooth Controls
Use the buttons located on the steering wheel to operate the invehicle Bluetooth system. See Steering Wheel Controls on page 5‑3 for more information. (Mute/Push To Talk): Press to answer inco ...

Setting the Clock
To set the time and date for the radio with CD, DVD, and USB Port: 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, then press to turn the radio on. 2. Press to display HR, MIN, MM, DD, YYYY ( ...