GMC 2008 Yukon Denali Owner's Manual page 274

r (Fast Reverse): Press this button to quickly
reverse the DVD or CD. To stop fast reversing a DVD
video, press the play/pause button. To stop fast
reversing a DVD audio or CD, release the fast reverse
button. This button might not work when the DVD is
playing the copyright information or the previews.
[ (Fast Forward): Press this button to fast forward
the DVD or CD. To stop fast forwarding a DVD
video, press the play/pause button. To stop fast
forwarding a DVD audio or CD, release the fast forward
button. This button might not work while the DVD is
playing the copyright information or the previews.
e (Audio): Press this button to change audio tracks on
DVDs that have this feature when the DVD is playing.
The format and content of this function vary for each disc.
{
(Subtitles): Press this button to turn ON/OFF
subtitles and to move through subtitle options when a
DVD is playing. The format and content of this function
vary for each disc.
3-112
AUX (Auxiliary): Press this button to switch the system
between the DVD player and an auxiliary source.
d
(Camera): Press this button to change camera
angles on DVDs that have this feature while a DVD is
playing. The format and content of this function vary for
each disc.
1 through 0 (Numeric Keypad): The numeric keypad
provides the capability of direct chapter or track
number selection.
\
(Clear): Press this button within three seconds after
entering a numeric selection, to clear all numerical
inputs.
}
10 (Double Digit Entries): Press this button to
select chapter or track numbers greater than nine. Press
this button before entering the number.