D64 ✓ Factory-verified

Buick · Regular Production Option

Mirror, inside front vanity, right-hand, sunshade, illuminated

Years 1987, 2003 Models 2 Factory citations 1

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Also described as Mirror, visor vanity, passenger, illuminated

Also documented for ChevroletGMC

Documented applications

LeSabre — H-body (2000–2005) →

• 2003 ✓ Factory-verified

  TriShield agrees on the meaning.

  ⛭ GM factory document — 2003 buick lesabre rpo code list, p.1.

Regal — G-body (1983–1987) →

• 1987 ● Confirmed

  gnttype.org's 1987 option sheet

This page aggregates every documented appearance of D64 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.