See also:

Parental Control
The RSE system may have a Parental Control feature, depending on which radio the vehicle has. To start Parental Control, press and hold the radio power button for more than two seconds to stop all sys ...

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 ...

Under the Hood
Mechanical features include: 185-horsepower, 2.9-liter inline-four-cylinder with aluminum block and cylinder head, dual overhead camshafts and four valves per cylinder that makes 190 pounds-feet ...