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 ...

Starting the Vehicle
1. Aim the RKE transmitter at the vehicle. 2. Press and release . 3. Immediately after completing Step 2, press and hold until the turn signal lamps flash. When the vehicle starts, the parking ...

Power Outlets
Accessory power outlets can be used to plug in electrical equipment, such as a cell phone, MP3 player, etc. The vehicle may have two accessory power outlets located below the climate control system, ...