Metra Electronics 99-3107S User manual

METRA. THE WORLD’S BEST KITS.™
© COPYRIGHT 2004-2011 METRA ELECTRONICS CORPORATION
APPLICATIONS
1-800-221-0932 metraonline.com
INSTALLATION INSTRUCTIONS FOR PART 99-3107
Panel Removal Tool • Phillips Screwdriver • Socket Wrench • Radio Removal Keys
TOOLS REQUIRED
Saturn Astra 2008-up
99-3107S
99-3107G
B C D
E F
A
• A) Trim Plate/Pocket • B) ISO Brackets • C) Radio Housing • D) (2) Black Oval Head Phillips Screws
• E) (2) Silver Pan Head Phillips Screws (Small) • F) (2) Silver Pan Head Phillips Screws (Large)
NOTE: Parts “A” and “C” May be snapped together in package
KIT FEATURES
KIT COMPONENTS
• DIN radio provision with pocket
• ISO radio provision with pocket
• Painted to match factory finish
99-3107S=Silver, 99-3107G=Gray
WIRING & ANTENNA CONNECTIONS (Sold Separately)
Wiring Harness: Not Available
Antenna Adapter: 40-EU10 European Antenna Adapter

Table of Contents
Dash Disassembly
– Saturn Astra 2008-up 3
Kit Assembly
– DIN radio provision with pocket 4-5
– ISO mount radio provision with pocket 6
KNOWLEDGE IS POWER
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Log onto www.installerinstitute.com or call
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Metra recommends MECP
certified technicians
99-3107
Caution
Metra recommends disconnecting the negative battery terminal before beginning any
installation. All accessories, switches, and especially air bag indicator lights must be
plugged in before reconnecting the battery or cycling the ignition.
*NOTE: Refer also to the instructions included with the aftermarket radio.

1. Using the radio removal keys, pull the
factory head unit from the dash and
disconnect the wiring. Unplug and
remove the radio. (Figure A)
2. Pull down on the “cage” from the
opening inside on the top and remove.
Note: The cage only has 2 sides and
a top. (Figure B)
Continue to kit assembly
3
Dash Disassembly
99-3107
AUTO
TP
SETTINGS
TUNER
SOUND
INFO
CDC
CDC 40 OPERA
OI 123
456
789
AUTO
(Figure A)
(Figure B)

4
Kit Assembly 99-3107
DIN radio provision with pocket
1. Locate the factory wiring harness in the
dash. Metra recommends using the
proper mating adapter from Metra or
AXXESS. Re-connect the negative
battery terminal and test the unit for
proper operation.
2. Mount the radio housing into the radio
opening in the sub dash using the
(2) black oval head Phillips screws
provided. (Figure A)
3. Slide the DIN cage into the Radio
Housing and secure by bending the
metal locking tabs outward. (Figure B)
Continued on next page
AUTO
(Figure A)
(Figure B)

5
Kit Assembly 99-3107
4. Slide the aftermarket radio into the cage
until it snaps into place. (Figure C)
5. Snap the trim plate/pocket onto the
radio housing. (Figure D)
6. Reassemble dash in reverse order
of disassembly.
7. Reassemble dash in reverse order
of disassembly.
DIN radio provision with pocket
AUTO
AUTO
(Figure C)
(Figure D)