GMC 2002 Safari Owner's Manual page 178

P.SET PROG (Preset Program): The front passengers
must be listening to something different for each of
these functions to work:
D
Press this button to scan through the preset radio
stations set on the pushbuttons on the main radio.
The radio will go to a preset station, play for a few
seconds, then go on to the next preset station.
Press this button again to stop scanning.
D
When a cassette tape is playing, press this button
to go to the other side of the tape.
TAPE CD: Press this button to switch between playing
a tape or CD if loaded. The inactive tape or CD will
remain safely inside the radio for future listening.
Remote Compact Disc Player (If Equipped)
If you have this feature, you can play one compact
disc (CD) at a time.
To load a CD into the player, hold the disc with
the label side up and insert it carefully into the player
(approximately halfway). The disc will automatically be
pulled into the player. If the radio is off and the ignition
is on when a CD is inserted, the radio will turn on and
begin playing the CD. It is possible to load and unload
CDs with the ignition off. To load a disc with the
ignition off, press the EJECT button on the remote
player and then insert the disc. To remove the disc, press
the EJECT button and remove the disc from the player.
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