Buy Toyota Matrix Tail Light Assembly

The Matrix tail light sits on the hatch and lights up red whenever you hit the brakes or switch on your running lights. Inside the plastic lens are separate circuits for the stop/tail filament, rear turn signal, and back-up (reverse) light. Toyota specifies a dual-filament 7443 bulb for the stop/tail, a single-filament 7440/7440NA or 21-watt 921 for other rear lamps, and a 15-amp "TAIL" fuse that feeds the whole circuit (Fuse Box).

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(Table values from the 2010 owner's manual bulb list and fuse-box diagram.)

• Platform twins - The Pontiac Vibe was co-developed with the Matrix, but its tail-lamp shape differs, so housings do not interchange (forums.genvibe.com).
• Corolla cousin - Some bulbs and gaskets match the Corolla, yet the complete lamp housing is unique to the Matrix hatch.
• Mounting points - All Matrix years bolt on from inside the hatch trim with two 10 mm nuts and one guide pin; no exterior screws are exposed (CarCareKiosk).

• Condensation or water - A worn foam seal or unplugged vent lets moist air enter. Owners often dry the lamp in sunlight and reseal with silicone (Toyota Nation, Toyota Nation).
• Blown fuse, no rear lights - If every rear light is dark but brake lamps work, check the 15 A "TAIL" fuse or the tail-lamp relay behind the glove box (Fuse Box, JustAnswer).
• Fast-blinking turn signal - One rear bulb is burned out; replace with a 7440NA amber bulb to restore normal flash rate .

1. Open the hatch and pry off the trim cover.
2. Remove the two 10 mm nuts; support the lamp so it doesn't drop.
3. Pull straight back to release the guide pin.
4. Twist the bulb holders counter-clockwise and swap in new bulbs-never touch the glass (CarCareKiosk).
5. Reverse steps to reinstall; test brake, tail, and turn functions before closing the hatch.

Need a video? Toyota techs walk through the whole process in this (3 min watch).

• LED retrofit bulbs - Swapping the 7443 incandescent for an LED draws less power and lights quicker, which NHTSA research links to reduced rear-end crashes (Crash Statistics).
• Amber rear turns - FMVSS 108 allows red or amber signals; studies show amber cuts crash risk by ~5 % (Crash Statistics).
• Smoke or clear lenses - Check local laws; darker lenses must still meet DOT photometry rules.

U.S. Federal Motor Vehicle Safety Standard 108 sets color (red tail/stop, amber or red turn), mounting height, brightness, and lens markings (, Crash Statistics). Failing lamps can invite a traffic citation and reduce night visibility.

• Keep the lens clean; dirt can cut light output up to 50 %.
• Replace bulbs in pairs so brightness matches.
• Check seals yearly; a quick bead of RTV silicone stops water entry.
• Use dielectric grease on bulb bases to prevent corrosion.

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(Data sources: owner's manual, fuse-box.info, user forums.) (Fuse Box, Toyota Nation)

• Toyota Owner's Manual PDF (pages 336-344 cover bulb replacement): 2010 Matrix Manual
• Fuse locations with photos: Fuse-Box.info guide
• NHTSA FMVSS 108 text and lighting studies: Amber vs. Red Signals
• DIY bulb change video: CarCareKiosk Matrix Tail Light

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