Power door locks, automatic

Years 1992, 1994–96 Models 3 Factory citations 7

Query this via API →

Also documented for Buick Oldsmobile Pontiac

Documented applications

Beretta — L-body (1987–1996)

1994–1996 Factory-verified

standard automatic door lock and unlock

GM Heritage factory kit — 1994 Chevrolet Beretta, p.55.
GM Heritage factory kit — 1995 Chevrolet Beretta, p.77.
GM Heritage factory kit — 1996 Chevrolet Beretta, p.48.

Cavalier — second generation (1988–1994)

1992, 1994 Factory-verified

standard; automatic lock and unlock

GM Heritage factory kit — 1992 Chevrolet Cavalier, p.58.
GM Heritage factory kit — 1994 Chevrolet Cavalier, p.53.

Corsica — L-body (1987–1996)

1995–1996 Factory-verified

standard automatic door lock and unlock; 1994 is not claimed: the 1994 feature and standard-equipment pages (pp.6, 9) make automatic locks standard but print no code, and the 1994 convenience page prints optional AU3; same description as beretta-gen1

GM Heritage factory kit — 1995 Chevrolet Corsica, p.46.
GM Heritage factory kit — 1996 Chevrolet Corsica, p.41.

This page aggregates every documented appearance of AU4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.