Metra Electronics 99-8222 User manual

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INSTALLATION INSTRUCTIONS
99-8222
Attention! Let the vehicle sit with the key
out of the ignition for a few minutes before
removing the factory radio. When testing the
aftermarket equipment, ensure that all factory
equipment is connected before cycling the
key to ignition.
KIT FEATURES
• DIN radio provision with pocket
• ISO DIN radio provision with pocket
• ISO DDIN radio provision
• Painted to match factory dash:
99-8222 = Black, 99-8222BR = Brown
KIT COMPONENTS
• A) Radio housing • B) ISO DIN brackets • C) ISO DIN trim plate • D) ISO DDIN brackets • E) ISO DDIN trim plate • F) Pocket • G) Radio housing brackets
TOOLS REQUIRED
• Panel removal tool • Phillips screwdriver
• Cutting tool • 10mm socket wrench
TABLE OF CONTENTS
Dash Disassembly ..................................................2
Kit Preparation ...................................................3-4
Kit Assembly
–DIN radio provision with pocket ........................5
–ISO DIN radio provision with pocket ..................6
–ISO DDIN radio provision .....................................7
WIRING & ANTENNA CONNECTIONS (sold separately)
Wiring Harness: 70-1761 • TYTO-01 (w/ amp)
Antenna Adapter: Not required
A B C F
G
D E
Toyota Highlander (w/o NAV) 2008-2012
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specific applications

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2
1. Unclip and remove the a/c vent panel.
(Figure A)
2. Unclip, unplug, and remove the climate
control panel. (Figure B)
3. Remove (4) 10mm bolts securing the
radio. Slide the radio out, then unplug
and remove the radio/display assembly.
(Figure C)
Continue to Kit Preparation
DASH DISASSEMBLY
(Figure A) (Figure B) (Figure C)

REV. 6/25/2019 INST99-8222 3
From the factory radio/display assembly:
1. Remove (2) Phillips screws securing the
display panel, then remove. (Figure A)
2. Unclip and remove the hazard switch
assembly. (Figure B)
3. Remove (4) panel clips. (Figure C)
Continued on the next page
KIT PREPARATION
ONE
SCREW
ON EACH
SIDE
SIDE VIEW
CLOCK/DISPLAY-
RADIO ASSEMBLY
REMOVE
4 PANEL CLIPS
(Figure A) (Figure B) (Figure C

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4
To the 99-8222 radio housing:
4. Attach the radio housing brackets.
(Figure D)
Note: Make sure the leg on the bracket
points outward.
5. Slide the factory display panel into the
radio housing, then secure using the
factory screws. (Figure E)
6. Clip in the hazard switch assembly.
(Figure F)
7. Attach the (4) factory panel clips
removed in step 3. (Figure G)
Continue to Kit Assembly
KIT PREPARATION (CONT.)
ATTACH
4 PANEL CLIPS
PASSENGER
(Figure D)
(Figure F)
(Figure E)
(Figure G)

REV. 6/25/2019 INST99-8222 5
DIN radio provision with pocket
1. Remove the metal DIN sleeve from the
aftermarket radio.
2. Slide the sleeve into the radio housing
assembly and secure by bending the
metal locking tabs outward. (Figure A)
3. Slide the radio back into the sleeve until
it snaps into place. (Figure B)
4. Snap the pocket into the radio housing
assembly. (Figure C)
5. Locate the factory wiring harness
and antenna connector in the dash.
Complete all necessary connections
to the radio and vehicle. Metra
recommends using the proper mating
adapter from Metra or AXXESS. Test the
radio and vehicle for proper operation.
6. Reassemble the dash in reverse order of
disassembly.
KIT ASSEMBLY
(Figure A) (Figure B) (Figure C)

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6
ISO DIN radio provision with pocket
1. Remove the metal DIN sleeve and trim
ring from the aftermarket radio.
2. Secure the ISO DIN brackets to the radio
using the screws supplied with the
radio. (Figure A)
3. Slide the radio into the radio housing
assembly until it snaps into place.
(Figure B)
4. Snap the ISO DIN trim plate onto the
front of the radio housing. (Figure B)
5. Snap the pocket into the radio housing.
assembly (Figure C)
6. Locate the factory wiring harness
and antenna connector in the dash.
Complete all necessary connections
to the radio and vehicle. Metra
recommends using the proper mating
adapter from Metra or AXXESS. Test the
radio and vehicle for proper operation.
7. Reassemble the dash in reverse order of
disassembly.
KIT ASSEMBLY
(Figure A) (Figure B) (Figure C)

REV. 6/25/2019 INST99-8222 7
ISO DDIN radio provision
1. Cut and remove the center bar from the
radio housing. (Figure A)
2. Attach the ISO DDIN brackets to the
inside opening of the radio housing
assembly. (Figure B)
3. Slide the radio into the radio housing
assembly, then secure using screws
supplied with the radio. (Figure C)
4. Snap the ISO DDIN trim plate onto the
front of the radio housing assembly.
(Figure C)
5. Locate the factory wiring harness
and antenna connector in the dash.
Complete all necessary connections
to the radio and vehicle. Metra
recommends using the proper mating
adapter from Metra or AXXESS. Test the
radio and vehicle for proper operation.
6. Reassemble the dash in reverse order of
disassembly.
KIT ASSEMBLY
(Figure A) (Figure B) (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
Metra. The World’s Best Kits.®MetraOnline.com © COPYRIGHT 2019 METRA ELECTRONICS CORPORATION REV. 6/25/19 INST99-8222
INSTALLATION INSTRUCTIONS
99-8222
If you are having difficulties with the installation
of this product, contact our Tech Support line
either by phone at 1-800-253-TECH, or email at
[e-mail]. Before
doing so, look over the instruction booklet a
second time and ensure that the installation was
performed exactly as the instruction booklet
is stated. Have the vehicle apart and ready to
perform troubleshooting steps before contacting
Metra/Axxess Tech Support.