Chevrolet 2007 Avalanche Owner's Manual page 346

Problem
No power.
The picture does not fill the
screen. There are black
borders on the top and
bottom or on both sides or
it looks stretched out.
In auxiliary mode, the
picture moves or scrolls.
The remote control does
not work.
After stopping the player,
I push Play but
sometimes the DVD starts
where I left off and
sometimes at the
beginning.
346
Recommended Action
The ignition might not be
turned on or in accessory.
Check the display mode
settings in the setup menu
by pressing the display
menu button on the remote
control.
Check the auxiliary input
connections at both
devices.
Check to make sure there
is no obstruction between
the remote control and the
transmitter window.
Check the batteries to
make sure they are not
dead or installed
incorrectly.
If the stop button was
pressed one time, the
DVD player will resume
playing where the DVD
was stopped. If the stop
button was pressed two
times the DVD player will
begin to play from the
beginning of the DVD.
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 for
assistance.
Check that the RSE
video screen is sourced
to the DVD player.