Lighting, interior

Years 2023, 2025–27 Models 4 Factory citations 20

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Also described as Lighting, interior, ambientInterior ambient lighting, tri-zone

Also documented for Chevrolet GMC

Documented applications

CT5 — Alpha 2 (2020–2026)

2023, 2025–2026 Factory-verified

Premium Luxury, Sport: S; V-Series, V-Series Blackwing: S

GM factory document — 2023 cadillac ct5 v ct5 v blackwing fleet order guide wayback, p.1.
GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 fleet order guide, p.2.
GM factory document — 2026 cadillac ct5 fleet order guide, p.2.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.3.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.3.

Lyriq — BEV3 (2023–2027)

2023, 2025–2027 Factory-verified

the 2023 list reads ambient, multi-color; the 2027 lists read Radiance Lighting; the 2025 and 2026 lists read Lighting, interior; all trims: S; Professional Vehicle (S)

GM factory document — 2023 cadillac all new electric lyriq fleet order guide wayback, p.3.
GM factory document — 2025 cadillac all electric lyriq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric lyriq professional vehicle fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.

Optiq — BEV3 (2025–2027)

2025–2027 Factory-verified

2025: Luxury 1SE, Sport 1SH: S; Luxury 1SC, Sport 1SF: not available; 2026–2027: Premium Luxury, Premium Sport, V-Series: S; Luxury, Sport: not available; the 2027 list reads Radiance Lighting

GM factory document — 2025 cadillac all electric optiq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac all electric optiq fleet order guide, p.2.
GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide, p.3.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide, p.3.

Vistiq — BEV3 (2026–2027)

2026–2027 Factory-verified

all trims: S; the 2027 list prints it as "Radiance Lighting"

GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.54.
GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.54.

This page aggregates every documented appearance of C70 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.