Buick 2013 Regal Owner's Manual page 175

The radio recognizes
preprogrammed playlists; however,
there is no editing capability. These
playlists are treated as special
folders containing compressed
audio song files.
This vehicle has an auxiliary input
jack in the center console. Possible
auxiliary audio sources include:
Laptop computer
MP3 player
This jack is not an audio output.
Do not plug headphones into the
auxiliary input jack. Drivers are
encouraged to set up any auxiliary
device while the vehicle is in
P (Park).
Connect a 3.5 mm (1/8 in) cable
from the auxiliary device to the
auxiliary input jack. When a device
is connected, the system
automatically begins playing audio
from the device over the vehicle
speakers.
If an auxiliary device has already
been connected, but a different
source is currently active, press the
Now Playing screen button on the
Home Page, then press Source
repeatedly to cycle through all of the
available audio source screens, until
the AUX source screen is selected.
Portable devices are controlled by
using the menu system described in
.
Connect a 3.5 mm (1/8 in) cable to
the 3.5 mm (1/8 in) auxiliary input
jack to use a portable audio player.
Playback of an audio device that is
connected to the 3.5 mm (1/8 in)
auxiliary input jack can only be
controlled using the controls on
the device.
Turn the / knob to adjust the
volume of the infotainment system
after the volume level has been set
on the portable audio device.
For vehicles with a USB port, the
following devices may be connected
and controlled by the infotainment
system:
iPods
PlaysForSure Devices (PFDs)
USB Drives
Zunes®
Not all iPods, PFDs, USB Drives,
and Zunes are compatible with the
infotainment system.