- 1999–2004 Factory-verified
DT4 Factory-verified
Also described as Ashtray/lighter optionAshtray, cigar lighter
Also documented for BuickCadillacChevroletGMCHummerPontiacSaturn
Documented applications
- 2004 Factory-verified
- 1999 Factory-verified
This page aggregates every documented appearance of DT4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.