See also:

Global Off
Depending on the infotainment system, the RSE system may have a Global Off feature. The Global Off feature disables all RSE system features. Press and hold the radio power button for more than thr ...

Ejecting a CD (Six-Disc CD Player)
EJECT : Press and release to eject the disc that is currently playing. Remove the CD when Remove Disc displays. If the disc is not removed, after several seconds the disc is automatically pulled back ...

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 ...