Software Updates; Am-Fm Radio - GMC 2015 Sierra Owner's Manual

7-8 Infotainment System
Restore Radio Settings: This
option will restore factory radio
settings. Select Restore Radio
Settings. A screen displays stating
all personalized radio settings will
be restored back to the factory
settings. Select Cancel or Confirm.
English and Metric Unit
Conversion
To change the display units between
English and metric units, see Driver
Information Center (DIC) (Base
Level) on page 5-29 or Driver
Information Center (DIC) (Uplevel)
on page 5-31 or Instrument Cluster
on page 5-10.

Software Updates

See the websites for more
information:
Website Information
In the U.S., see www.gmc.com
In Canada, see www.gmc.gm.ca
In Mexico, www.gmc.com.mx
Radio

AM-FM Radio

Playing the Radio
While on the audio main page,
press the RADIO button repeatedly
to cycle through the available
sources AM, FM, and SiriusXM
equipped) or press the MEDIA
button repeatedly to cycle through
the available sources Bluetooth
Audio (if equipped), CD, USB, SD,
and AUX.
The steering wheel controls can
also be used to adjust the volume.
See Steering Wheel Controls on
page 5-3.
AM, FM, or SiriusXM (If Equipped)
To select AM, FM, or SiriusXM (if
equipped), press the RADIO button
to toggle to the desired broadcast
source.
Press the MENU knob and the
following radio settings may display:
Tone Settings:
Bass, Midrange, and Treble:
Turn the MENU knob and
highlight. Press the MENU knob
to select. Turn the MENU knob
to adjust.
®
(if
Balance: Turn the MENU knob
to highlight. Press the MENU
knob to select. Turn the MENU
®
knob left for more sound from
the left speakers or right for
more sound from the right
speakers. The middle position
balances the sound between the
left and right speakers.
Fade: Turn the MENU knob to
highlight. Press the MENU knob
to select. Turn the MENU knob
to the left for more sound from
the front speakers and to the
right for more sound from the
rear speakers. The middle
position balances the sound
between the front and rear
speakers.