GMC 2012 Sierra - Manual (Page 218)

Black plate (8,1) GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
7-8 Infotainment System
Adjusting the Speakers
(Balance/Fade) (AM-FM Radio
and AM-FM Radio with CD)
To adjust the balance or fade:
1. Press
`
or press the
f
knob
until the speaker control label
displays.
2. To adjust the setting, do one of
the following:
. Turn the
f
knob.
. Press either
¨
SEEK,
or © SEEK.
. Press either
\
FWD,
or
s
REV.
Adjusting the Speakers
(Balance/Fade) (All Except
AM-FM Radio and Radio
with CD)
BAL/FADE (Balance/Fade): To
adjust the balance or fade:
1. Press the f knob until the
speaker control tabs display.
2. Highlight the desired speaker
control tab by doing one of the
following:
. Press the f knob.
. Press the softkey under the
desired tab.
3. Adjust the setting by doing one
of the following:
. Turn the
f
knob clockwise
or counterclockwise.
. Press the ¨ SEEK,
or
©
SEEK.
. Press the
\
FWD,
or s REV.
To quickly adjust all speaker and
tone controls to the middle position,
press the
f knob for more than
two seconds.
If the Rear Seat Audio (RSA) is
turned on, the radio disables FADE
and mutes the rear speakers.
Radio Messages
Calibration Error: The audio
system has been calibrated
for the vehicle from the factory.
If Calibration Error displays, it
means that the radio has not been
configured properly for the vehicle
and it must be returned to your
dealer for service.
Locked or Loc: One of these
messages will display when the
THEFTLOCK
® system has locked
up the radio. Take the vehicle to
your dealer for service.
If any error occurs repeatedly or
if an error cannot be corrected,
contact your dealer.