Lighting, interior, custom, front and rear reading lamps, Ice Blue ambient lighting, front foot well lamps, puddle lamps, instrument panel light pipe

Years 2014–16 Models 2 Factory citations 2

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Also described as Lighting, interior, custom

Also documented for Cadillac

Documented applications

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2015 Factory-verified

2015: all groups: S

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.2.

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

2014, 2016 Factory-verified

new for 2014 (GM's 2014 list); 2016: all groups: S; front and rear reading lamps, door and console ambient lighting, white front footwell lamps, puddle lamps, instrument panel light pipe

GM factory document — 2016 buick regal order guide copy gm authority, p.2, p.16.

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