See also:

Object Detection System Messages
FORWARD COLLISION ALERT OFF If your vehicle has the Forward Collision Alert (FCA) system, this message may display if the FCA system cannot activate due to a temporary condition. See Forward Coll ...

Airbag System
The vehicle has the following airbags: • A frontal airbag for the driver. • A frontal airbag for the front outboard passenger. • A seat-mounted side impact airbag for the driver. • A seat- ...

Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production 6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination offered in the 2011 ...