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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 ...

Playing a CD
Insert a CD partway into the slot, label side up. The player pulls it in and the CD should begin playing. EJECT: Press and release to eject the disc that is currently playing. A beep sounds and Ejec ...

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 ...