Instruction Manual

Radio Replacement Interface
for select General Motors Vehicles
with Class II Data-Bus
GM1A-R
© 2018 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
Pacific Accessory Corporation
Rev: V7
Date: 072418
Page 4
Firmware Updates
The RadioPRO app will also allow you to update the interface with new rmware as it becomes available. The GM1A-R can
be updated with new rmware as it becomes available. Please visit www.PAC-audio.com/rmware for available updates.
Connect the interface to your PC and select ”Firmware”, then “Update Firmware”. Now select “Select File”. Finally, browse to
the place where you saved the le and select it. This will begin the updating process. Once nished, disconnect the interface
from the PC and test operation.
Product Updates (Firmware)
RadioPRO App (cont.)
Email: [e-mail]
Phone: [phone]
International: 727-572-9255 ext 230
Technical Support