17NA276

Bulletin No.:
Service Bulletin
Date:
17-NA-276
February, 2019
INFORMATION
Subject:
Brand:
Cadillac
Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio
Settings Change When Vehicle Shuts Down in Demo Mode
Model:
Model Year:
from
CTS
2017
ATS
XTS
2018
CT6
XT4
2019
VIN:
to
from
to
Engine:
Transmission:
All
All
2019
Blazer
Camaro
Colorado
Chevrolet
Equinox
2019
2019
Malibu
Silverado
Volt
Terrain
GMC
Canyon
Sierra
2018
2019
2019
Involved Region or Country
North America and N.A. Export Regions
Additional Options (RPOs)
Equipped with Infotainment System IOS, IOT or IOU
Condition
Some customers/technicians may comment that when the vehicle is in demo mode
(unsold vehicle), the phone would stay paired for the key cycle and then would lose
pairing to the radio after the vehicle shuts down and started after 10 minutes. Additional
operational characteristics of Demo Mode include no retention of the following:
• Stored Favorites
• Last station tuned
• Bluetooth synced device(s)
• Volume level
• Last app or screen view
• Audio/equalizer settings
Note: If a device was originally paired while in Demo mode, a similar condition could
occur that randomly continues to drop Bluetooth pairing after exiting Demo mode. If the
vehicle is not in Demo mode, but it is believed that the device was originally paired while
in Demo mode, then delete the device from the radio, delete the radio from the device,
and pair the device again.
Loss of functionality on the above items may be due to the design intent of the vehicle
while in demo mode.
Copyright 2019 General Motors LLC. All Rights Reserved.
Page 2
February, 2019
Bulletin No.: 17-NA-276
This may be due to the design intent of the vehicle in demo mode.
Cause
5134106
Cadillac shown, Chevrolet and GMC similar.
Correction
No correction is needed for this condition. This is the normal operating characteristic of
the demo mode of the vehicle. Once the vehicle is sold, select the option labeled “Not a
Demo Vehicle” to exit Demo Mode.
Version
4
Modified
August 22, 2018 – Added additional models, the 2019 Model Year, a graphic to the Cause
section and a Note to the Correction section.
August 30, 2018 – Updated the Subject and Condition to include additional operational
characteristics of Demo Mode.
February 21, 2019 – Added 2019 Blazer and Malibu models
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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