Wheel, spare, none

Years 2014, 2017–19 Models 3 Factory citations 6

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Also described as Wheel, spare, not desired

Also documented for Cadillac Chevrolet GMC

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019)

2017–2019 Factory-verified

2019: Base, Preferred, Essence, Premium: S

GM factory document — 2017 buick lacrosse fleet order guide wayback, p.3.
GM factory document — 2018 buick lacrosse order guide copy gm authority, p.9.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.7.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Regal, Avenir, GS: S; Preferred, Preferred II, Essence: O (2019 Sportback order guide)

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.6.

Regal — Epsilon II, 5th gen (2011–2017)

2014 Confirmed

new for 2014, replacing 6Y4 (GM's 2014 list); 2016 is left out: the 2016 guide prints it only with the included-in-equipment-group mark on 1SN and 1SX, FWD only (p.22), group contents

This page aggregates every documented appearance of 5A7 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.