Chevrolet Uplander Owner's Manual page 262

O (Power): Press this button to turn the system on or
off. RSA CHB or RSA CH2 will appear on the display
when the system is on to indicate the channel to receive
audio for the wireless headphones.
Press this button when the system is on to silence the
rear speakers. Press this button again to turn the sound
back on.
3-110
BAND: Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (if equipped). The selected radio
station will appear on the display. If the front passengers
are listening to the radio, the RSA will not switch
between the bands and cannot change the station.
tr [ u
/ (Tune): When listening to the radio,
press the right or the left arrow to go to the next or
the previous station and stay there. This function
is inactive if the front seat passengers are listening to
the radio.
When a CD is playing, press the left arrow to go to
the start of the current track or to the previous track.
Press the right arrow to go to the next track on the CD.
This function is inactive if the front seat passengers
are listening to a CD.
PROG (Program): Press this button to select the
next preset station stored on the radio. Each press of
this button will take you to the next preset station.
This function is inactive if the front seat passengers
are listening to the radio.