Roof

See also:

Immobilizer
See Radio Frequency Statement on page 13.21 for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...

Safety
Standard safety features include: Four-wheel antilock brakes Electronic stability system Side curtain and side-impact airbags ...

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 ...