Mirror, inside rearview, tilt, dual reading lamps

Years 1998–99 Models 4 Factory citations 7

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Also described as Mirror, inside rear view, tilt, dual reading lamps

Also documented for Chevrolet GMC Oldsmobile Pontiac Saturn

Documented applications

Century — W-body (1997–2005)

1998–1999 Factory-verified

GM factory document — 1998 buick century rpo code list, p.1.
GM factory document — 1999 buick century rpo code list, p.1.

LeSabre — H-body (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 buick lesabre rpo code list, p.1.
GM factory document — 1999 buick lesabre rpo code list, p.1.

Regal — W-body (1997–2004)

1998–1999 Factory-verified

GM factory document — 1998 buick regal rpo code list, p.1.
GM factory document — 1999 buick regal rpo code list, p.1.

Skylark — N-body (1992–1998)

1998 Factory-verified

the 1998 list prints "Light" where other lists print "Tilt".

GM factory document — 1998 buick skylark rpo code list, p.1.

This page aggregates every documented appearance of DC4 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.