Lighting, interior, Ice Blue ambient, instrument panel

Years 1982–88, 2014, 2018–19 Models 3 Factory citations 4

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Also described as Opera lampsLighting, interior

Also documented for Chevrolet

Documented applications

Century — A-body (1982–1996)

1982–1988 Single-source

only in: coupe

Encore — Gamma II (2013–2022)

2014 Factory-verified

all trims: S

GM factory document — 2014 buick encore fleet order guide wayback, p.2.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Preferred II, Essence, Avenir, GS: S (2019 Sportback order guide); the 2019 guide reads ambient

GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1.
GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.
GM factory document — 2019 buick regal sportback order guide copy gm authority, p.3.

This page aggregates every documented appearance of C93 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.