See also:

CD Messages
Optical Error: The disc was inserted upside down. Disk Read Error: A disc was inserted with an invalid or unknown format. Player Error: There are disc LOAD or disc EJECT problems. • It is very ho ...

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 ...

Audio System
When using the in-vehicle Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the audio system volume knob, during a call, to change the ...