Lighting, interior, accent lighting under door armrest, floor console and instrument panel

Years 2017–19, 2025–27 Models 3 Factory citations 8

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Also described as Lamp package, interior, deluxeLamp package, interior

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

2019 guide: all trims: S

GM factory document — 2017 gmc acadia order guide copy gm authority, p.3, p.19.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.4, p.22.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.4, p.23.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

the 2025 guide prints "Lamp Package, interior, deluxe"

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.2.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.4.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLT, SLT Diesel, Denali: S

GM factory document — 2019 gmc terrain order guide copy gm authority, p.4, p.30.

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