GMC 2010 Sierra 1500 Crew Cab Owner's Manual page 313

The vehicle has one of these radios as its audio
system.
Radios with CD and DVD have a Bose
Sound System. Some of its features are explained later
in this section under, Adjusting the Speakers
(Balance/Fade) .
If the vehicle has a Rear Seat Entertainment (RSE)
system, it has a CD/DVD radio. See
information on the vehicle's RSE system.
The DVD player is the top slot on the radio faceplate.
The player is capable of reading the DTS programmed
DVD Audio or DVD Video media, (DTS and DTS Digital
Surround are registered trademarks of Digital Theater
Systems, Inc.).
Manufactured under license from Dolby Laboratories.
Dolby and the double-D symbol are trademarks of
Dolby Laboratories.
®
Surround
for more
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