GMC 2012 Sierra Series Owner's Manual page 253

The radio can be turned back on
with a single press of the power
button, but the RSE system will
remain under Parental Control.
To turn Parental Control off, press
and hold the radio power button for
more than two seconds. The RSE
returns from where it was previously
left and the padlock icon disappears
from the radio display.
Parental Control can also be turned
off by inserting or ejecting any disc,
pressing the play icon on the radio
DVD display menu, or changing an
ignition position.
Headphones
A. Battery cover
B. Channel 1 or 2 switch
C. Power button
D. Volume control
E. Power indicator light
The RSE includes two 2-channel
wireless headphones that are
dedicated to this system. Channel 1
is dedicated to the video screen,
while Channel 2 is dedicated to
Rear Seat Audio (RSA) selections.
I n f o r ma t i o n P r o v i d e d b y :
Infotainment System
These headphones can be used to
listen to the radio, CDs, DVDs,
MP3s, DVD As, or any auxiliary
source connected to A/V jacks or
the auxiliary input jack, if the vehicle
has this feature. The wireless
headphones have a power button,
channel 1 or 2 switch, and a volume
control.
Push the power button to turn on
the headphones. An indicator light
located on the headphones comes
on. If the light comes on, but there
is intermittent sound and/or static on
the headphones, or if the indicator
light does not come on, the batteries
might need to be replaced. See
Battery Replacement later in this
section for more information. Switch
the headphones to Off when not
in use.
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