Metra Electronics 99-3023HG User manual

CAUTION! All accessories, switches, climate
controls panels, and especially air bag indicator
lights must be connected before cycling the
ignition. Also, do not remove the factory radio
with the key in the on position, or while the
vehicle is running.
Metra. The World’s Best Kits.®MetraOnline.com © COPYRIGHT 2018 METRA ELECTRONICS CORPORATION REV. 2/16/18 INST99-3023HG
INSTALLATION INSTRUCTIONS
99-3023HG
KIT FEATURES
• ISO DIN radio provision with pocket
• Painted high gloss black
KIT COMPONENTS
• A) Radio trim panel • B) Radio housing • C) Radio brackets • D) Pocket • E) (8) #8 x 3/8” Phillips screws • F) (4) Panel clips
TOOLS REQUIRED
• Panel removal tool • Phillips screwdriver
• 9/32” socket wrench • Cutting tool
WIRING & ANTENNA CONNECTIONS (sold separately)
Wiring Harness: TBA
Antenna Adapter: 40-EU55
Steering Wheel Control Interface: ASWC-1
A B DC
Chevrolet Trax 2017-up*
*Visit MetraOnline.com for up-to-date vehicle specific applications.
E F
TABLE OF CONTENTS
Dash Disassembly ..................................................2
Kit Preparation .......................................................2
Kit Assembly ..........................................................3

1.800.221.0932
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2
DASH DISASSEMBLY KIT PREPARATION
1. Unclip and remove the dash panel
surrounding the radio. (Figure A)
2. Unclip and remove the radio trim.
(Figure B)
3. Remove (2) 9/32” screws securing
the radio, then pull down and back to
release the radio. Unplug the connectors
to remove the radio.
4. Unclip and slide off the plastic trim piece
on the top of the radio. (Figure C)
5. Remove (2) 9/32” screws securing each a/c
vent, then unclip and remove the vents .
Continue to Kit Preparation
Please visit Metraonline.com for
Dash Disassembly illustrations.
Attention! After the sub-dash has been cut,
the factory radio will no longer be able to
be installed.
1. Cut the sub-dash to allow room for the
aftermarket radio. (Figure A)
2. Attach (4) panel clips provided with the
kit onto the radio trim panel . (Figure B)
Continue to Kit Assembly
(Figure B)
(Figure A)
Remove
shaded areas
“Head On” View

REV. 2/16/2018 INST99-3023HG 3
KIT ASSEMBLY
1. Attach the pocket to the radio brackets
using the (4) #8 x 3/8” Phillips screws
provided. (Figure A)
2. Remove the metal DIN sleeve and trim
ring from the aftermarket radio.
3. Slide the radio into the bracket/pocket
assembly, then secure it using the
screws supplied with the radio.
(Figure B)
4. Secure the radio assembly to the radio
housing using the (4) #8 x 3/8” Phillips
screws provided. (Figure C)
5. Attach the plastic trim piece removed in
dash disassembly to the top of the radio
housing .
6. Locate the factory wiring harness and
antenna connector in the dash and
complete all necessary connections to
the radio. Metra recommends using
the proper mating adapter from Metra
and/or Axxess. Test the radio for proper
operation.
7. Secure the completed radio assembly,
and the a/c vents, to the dash using the
factory screws.
a. Slide the radio assembly into
the dash.
b. Wiggle the a/c vents in.
c. Secure the now complete assembly
to the dash using the (6) factory
9/32” screws.
8. Reassemble the dash in reverse order of
disassembly to complete the installation,
using the 99-3023HG radio trim panel .
(Figure B)
(Figure A)
(Figure C)

KNOWLEDGE IS POWER
Enhance your installation and fabrication skills by
enrolling in the most recognized and respected
mobile electronics school in our industry.
Log onto www.installerinstitute.com or call
800-354-6782 for more information and take steps
toward a better tomorrow.
®
Metra recommends MECP
certified technicians
IMPORTANT
If you are having difficulties with the installation of this product,
please call our Tech Support line at 1-800-253-TECH. Before
doing so, look over the instructions a second time, and make
sure the installation was performed exactly as the instructions
are stated. Please have the vehicle apart and ready to perform
troubleshooting steps before calling.
Metra. The World’s Best Kits.®MetraOnline.com © COPYRIGHT 2018 METRA ELECTRONICS CORPORATION REV. 2/16/18 INST99-3023HG
INSTALLATION INSTRUCTIONS
99-3023HG