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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 ...

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 ...

Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's wa ...