Buick Regal 2018 Owner's Manual page 180

Audio System Information
The infotainment system can play
the music files contained in the USB
storage device or iPod/iPhone
products.
Using MP3/WMA/OGG/WAV Files
Music files with .mp3, .wma,
.ogg, and .wav file name
extensions can be played.
MP3 files that can be played: Bit
rate: 8 kbps to 320 kbps.
Sampling frequency: 48 kHz,
44.1 kHz, 32 kHz, 24 kHz, 22.05
kHz, and 16 kHz.
Files with a bit rate above
128 kbps will result in higher
quality sound.
ID3 Tag information for MP3
files, such as the album name
and the artist, can be played.
To display album title, track title,
and artist information, the file
should be compatible with the
ID3 Tag V1 and V2 formats.
Using USB Storage Devices or an
iPod/iPhone
Use a USB or flash memory type
storage device. Do not connect
using a USB adaptor.
Do not connect and reconnect
the USB device repeatedly in a
short time, as this may cause
static electricity and problems
using the device.
Use a USB device with a metal
connecting terminal.
Connection with i-Stick Type
USB storage devices may be
faulty due to vehicle vibration.
Do not touch the USB
connecting terminal.
Only USB storage devices
formatted in FAT16/32 or exFAT
file systems are recognized.
NTFS and other file systems are
not recognized.
The time it takes to process files
will depend on the USB storage
device type and capacity, and
the type of files stored.
Infotainment System
Some USB storage device files
may not be compatible.
Up to two USB devices and one
iPod can be played through a
USB hub. All devices may not be
supported, depending on the
performance of the USB hub.
If there is not enough power
supply, it may not operate
normally.
Do not disconnect the USB
storage device while it is playing.
This may cause damage to the
product or affect the
performance of the USB device.
Disconnect the USB storage
device when the ignition is
turned off. If the ignition is turned
on while the USB device is
connected, the USB device may
be damaged or may not operate
normally.
USB storage devices can only
be connected for playing music,
viewing photo files,
or upgrading.
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