Mirror, inside front, vanity, left-hand and right-hand, sunshade, no illumination

Years 1987, 2005–07 Models 2 Factory citations 4

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Also described as Mirror, visor vanity, passenger

Also documented for Chevrolet GMC Oldsmobile Pontiac Saturn

Documented applications

Regal — G-body (1983–1987)

1987 Factory-verified

gnttype.org's 1987 option sheet; shared G-body code, cited from the Monte Carlo kit

GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.89.

Terraza — U-body / GMT201 (2005–2007)

2005–2007 Factory-verified

the lists print the mirror as "I/S FRT Van" in 2005 and 2006 and as Vanity in 2007

GM factory document — 2005 buick terraza rpo code list, p.1.
GM factory document — 2006 buick terraza rpo code list, p.1.
GM factory document — 2007 buick terraza rpo code list, p.1.

This page aggregates every documented appearance of D34 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.