GMC 2008 Yukon Denali Owner's Manual page 275

Battery Replacement
To change the remote control batteries, do the following:
1. Slide the rear cover back on the remote control.
2. Replace the two batteries in the compartment. Make
sure that they are installed correctly, using the
diagram on the inside of the battery compartment.
3. Replace the battery cover.
If the remote control is to be stored for a long period of
time, remove the battery and keep it in a cool, dry place.
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.
Recommended Action
The ignition might not be
turned ON/RUN or in
ACC/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.
Problem
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.
The auxiliary source is
running but there is no
picture or sound.
Recommended Action
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 resumes
playing where the DVD
was stopped. If the stop
button was pressed two
times the DVD player
begins to play from the
beginning of the DVD.
Check that the RSE video
screen is in the auxiliary
source mode.
Check the auxiliary input
connections at both
devices.
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