Vehicle Features; Radio(S) - GMC 2012 Sierra Denali Owner's Manual

1-16 In Brief
4 (Four-Wheel Drive Low): This
setting sends maximum power to all
four wheels. You might choose
Four-Wheel Drive Low while driving
off-road in deep sand, deep mud,
deep snow, and while climbing or
descending steep hills.
N (Neutral): Shift the vehicle's
transfer case to N (Neutral) only
when towing the vehicle. See
Recreational Vehicle Towing on
page 10 88 or Towing the Vehicle
on page 10 87 for more information.
See Four-Wheel Drive on
page 9 39.

Vehicle Features

Radio(s)

Radio with USB, CD, and DVD (MP3)
O
: Press to turn the system on
and off. Turn to increase or
decrease the volume.
BAND: Press to choose between
FM, AM, or XM , if equipped.
: Select radio stations.