Parts for your 2018 Toyota Vitz|yaris-Tail lights

2018 Toyota Vitz/Yaris tail lights — what they do and how to look after them

Yes, the 2018 Toyota Vitz/Yaris is fitted with tail lights. That’s not just common sense — it’s grounded in the technical literature and regulations. Toyota’s owner and service manuals for the 2018 Vitz/Yaris detail rear position (tail) lamps as standard equipment, and Australian Design Rules ADR 13/00 and ADR 49/00, along with New Zealand’s Land Transport Rule: Vehicle Lighting 2004 (harmonised with UNECE Reg. 7), require compliant rear lighting on passenger vehicles. So tail lights are absolutely relevant and used on this model.

On the road, the Yaris tail lights do a lot more than glow red. They mark the rear of the car at night and in bad weather, help following drivers judge distance, and bundle in stop (brake) lamps, indicators, reverse lamps and reflectors. Some markets and grades also include a rear fog lamp. Whether the car is commuting through Auckland drizzle or a late arvo Melbourne run, healthy tail lights are key for visibility and legal compliance.

Servicing the 2018 Toyota Vitz/Yaris tail lights is straightforward. Many variants use conventional bulbs — commonly T20/W21‑5W dual filament for stop/tail, WY21W amber for indicators, and W16W for reverse — while higher trims and some JDM Vitz models use LED combination lamps. Bulb models and wiring can vary by VIN and market, so it’s smart to confirm against the owner’s manual or the markings on the lamp housing.

Basic replacement goes like this:

1. Switch off the ignition and lights, open the hatch, and remove the rear trim access panel.
2. Undo the mounting nuts, ease the lamp straight back (avoid levering the paint), and unplug the connector.
3. For bulb types: twist the bulb holder, swap the bulb (don’t touch glass with bare fingers), and refit.
4. For LED modules: replace the complete lamp assembly if the LED has failed.
5. Reconnect, reseat the foam seal, torque the nuts gently, and test all functions.

Good habits go a long way: do a quick walk‑around monthly, check for cracked lenses, moisture, or a dim section, and clean dusty lenses with mild car shampoo. If both tail lamps are out, check the “TAIL”/“PARK” fuse and the earth (ground) connection, if one side is out, it’s usually the bulb or the LED unit. Using quality bulbs, a dab of dielectric grease on terminals, and replacing per pair helps keep brightness even and avoids repeat jobs. That way, the Yaris stays visible, roadworthy, and ready for the next WOF or rego check.

Q: What bulbs fit a 2018 Toyota Vitz/Yaris tail light?

Many variants use T20/W21‑5W (also known as 7443) for the stop/tail function, WY21W amber for indicators, and W16W for reverse. Some grades (especially LED‑equipped models) use a sealed LED tail/stop array. Always confirm by VIN and check the owner’s manual or the bulb code on the lamp cap to be sure.

Q: How often should the tail lights be checked or serviced?

A monthly walk‑around is a great habit, and they should be checked at every service. In NZ, a WOF will pick up faults, and in Australia, a rego inspection or roadside check can as well. Clean the lenses, look for cracks or moisture, and replace dim or mismatched bulbs promptly.

Q: Can an individual LED be replaced in an LED tail lamp on this model?

No. On LED‑equipped 2018 Vitz/Yaris lamps, the LED array is a non‑serviceable module. If an LED fails, the correct repair is to replace the complete tail lamp assembly to maintain brightness, colour, and compliance.