LPO, interior spectrum lighting, Structura (brushed aluminum)

Years 2017–19, 2021–26 Models 3 Factory citations 9

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Also described as LPO, interior illumination packageLPO, illumination package, interior ambient

Also documented for Buick GMC

Documented applications

Camaro — Gen 6 Alpha (2016–2024)

2019 Factory-verified

GM factory document — 2019 chevrolet camaro fleet order guide wayback, p.3.

Colorado — Second generation (GMT31XX) (2015–2022)

2017–2019, 2021–2022 Factory-verified

with PCI; the upfitter lists name it interior ambient lighting; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022

GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.16.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.12.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.13.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.49.

Colorado — Third generation (2023–2027)

2023–2026 Factory-verified

2025–2026: O on all trims

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.12.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.14.
GM factory document — 2025 chevrolet colorado fleet order guide, p.34.
GM factory document — 2026 chevrolet colorado fleet order guide, p.38.

This page aggregates every documented appearance of SJ8 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.