T4W ✓ Factory-verified

Chevrolet · Regular Production Option

Daytime running lamps, LED

Years 2016, 2025–27 Models 2 Factory citations 4

Query this via API →

Also described as Grille light bar, LED

Documented applications

Blazer EV (2024–2027) →

• 2025–2027 ✓ Factory-verified

  only in: Blazer EV, not the Police Package

  ⛭ GM factory document — 2025 chevrolet blazer ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet blazer ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet blazer ev fleet order guide rpo codes, p.1.

Cruze — first generation (2011–2016) →

• 2016 ✓ Factory-verified

  1LT, ECO: S

  ⛭ GM factory document — 2016 chevrolet cruze limited fleet order guide wayback, p.3.

Related codes · mentioned in these notes

1LT

This page aggregates every documented appearance of T4W in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.