GMC 2008 Sierra 1500 Pickup Owner's Manual page 253

Problem
The auxiliary source is
running but there is no
picture or sound.
Sometimes the wireless
headphone audio cuts out
or buzzes.
I lost the remote and/or
the headphones.
The DVD is playing, but
there is no picture or
sound.
Recommended Action
Check that the RSE video
screen is in the auxiliary
source mode.
Check the auxiliary input
connections at both
devices.
Check for obstructions,
low batteries, reception
range, and interference
from cellular telephone
towers or by using your
cellular telephone in
the vehicle.
Check that the
headphones are on
correctly using the L (left)
and R (right) on the
headphones.
See your dealer/retailer
for assistance.
Check that the RSE video
screen is sourced to the
DVD player.
DVD Display Error Messages
The DVD display error message depends on the radio
that is in the vehicle. The video screen can display
one of the following:
Disc Load/Eject Error: This message displays when
there are disc load or eject problems.
Disc Format Error: This message displays, if the disc
is inserted with the disc label wrong side up, or if
the disc is damaged.
Disc Region Error: This message displays, if the disc
is not from a correct region.
No Disc Inserted: This message displays, if no disc is
Z
present when EJECT or DVD AUX is pressed
on the radio.
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