17NA330

File in Section:
Bulletin No.:
Service Bulletin
Date:
17-NA-330
December, 2018
INFORMATION
Subject:
Brand:
Buick
Normal Characteristic – Push to Talk Button on Steering Wheel Control is Inoperative
and/or Cannot Delete USB Names from Radio Display
Model:
Encore
Regal
Sonic
Trax
Model Year:
VIN:
from
to
2019
2019
2018
2019
2019
2019
2018
2019
2019
2019
from
to
Engine:
Transmission:
Blazer
Camaro
Colorado
Chevrolet
Cruze
Equinox
Malibu
Silverado
1500 (New
Model)
Terrain
GMC
Canyon
Sierra 1500
(New Model)
Involved Region or Country
North America and N.A. Export Regions
Additional Options (RPOs)
Equipped with RADIO-INFOTAINMENT SYSTEM - 3.X LOW HMI, MIDLEVEL
CONNECTIVITY 3.X (RPO IOR)
Condition
Some customers may comment on one of the following conditions:
1. The push to talk button on the steering wheel control is inoperative when there is no
phone device paired with the vehicle; or a phone device is non-responsive when
connected and pressing the push to talk button on the steering wheel.
Note: The push to talk button, however, can still answer OnStar hands-free calls (if
equipped).
2. Cannot delete USB/Bluetooth device names from the radio display. The radio
displays the names of devices that were previously installed and have been
removed.
Copyright 2018 General Motors LLC. All Rights Reserved.
Page 2
December, 2018
Bulletin No.: 17-NA-330
4875408
This condition may be due to one of the following:
Condition 1 – If occurring when a phone device is Bluetooth connected, ensure that the
native voice recognition app is enabled (e.g. Siri or Google Assistant) on the connected
device. If occurring when no phone device is Bluetooth paired, it is normal operation to
give no response. This radio has no built-in voice recognition; voice commands are
dependent on the connected phone.
Condition 2 – The radio displays the last 3 sources used for the radio like AM, FM, XM,
Bluetooth device streaming music or USB drive. The sources are highlighted/actively
listed even after the source is removed from the system.
To delete the name of the device from the radio display, push the more button on the
display and select another radio source like AM, FM and XM until the disconnected
device falls off of the Recents list.
Cause
4875408
Note: The radio will show the last 3 audio sources after removed, as shown in the
illustration above.
Correction
DO NOT replace the radio assembly as this is a normal design characteristic for the
infotainment system.
Bulletin No.: 17-NA-330
December, 2018
Page 3
Version
5
Modified
Released October 16, 2017
March 07, 2018 – Updated the Subject.
June 20, 2018 – Added the 2019 Model Year and updated information for Condition 1
under the Cause.
July 12, 2018 – Updated the Models section.
December 04, 2018 – Updated the Condition and Cause sections.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a
job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
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