Rear Audio Controller (Rac) - GMC 2007 Acadia Owner's Manual

PROG (Program): Press this button to go to the
next preset radio station or channel set on the
main radio. This function is inactive, with
some radios, if the front seat passengers are
listening to the radio.
When a CD or DVD audio is playing, press this
button to go to the beginning of the CD or
DVD audio. This function is inactive, with some
radios, if the front seat passengers are listening
to the disc.
When a disc audio is playing in the CD or DVD
changer, press this button to select the next disc,
if multiple discs are loaded. This function is
inactive, with some radios, if the front seat
passengers are listening to the disc.
When a DVD video menu is being displayed,
press the PROG button to perform the menu
function, enter.
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Rear Audio Controller (RAC)

Your vehicle may have the Rear Audio
Controller (RAC). With RAC you can control
certain radio functions.
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(Next/Previous): Press the down or up
arrows to go to the next or to the previous radio
station stored as a favorite.
When a CD/DVD is playing, press the down or
up arrows to go to the next or previous track
or chapter.