Chevrolet 2005 Uplander Owner's Manual page 262

The remote control will not operate any of the RSA
features.
RSA O (Power): Press this button to turn the RSA
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.
Pressing this button will also silence the rear speakers.
3-112
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.