- 1998–1999 Factory-verified
DH4 Factory-verified
Documented applications
- 1998–2000 Factory-verified
- 1998–2001 Factory-verified
the 2000–2001 lists print "Manual Folding" without dual
This page aggregates every documented appearance of DH4 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.