- 2008–2009 Factory-verified
DT4 Factory-verified
Also described as Smoker's package, includes cigarette lighter element and ashtray
Also documented for BuickChevroletGMCHummerOldsmobilePontiacSaturn
Documented applications
- 2003–2007 Factory-verified
- 2000–2004 Factory-verified
- 1998–1999 Factory-verified
- 1998–2000 Factory-verified
- 2003–2006 Factory-verified
- 2007–2009 Factory-verified
- 2003–2006 Factory-verified
- 2007–2009 Factory-verified
- 1998–2004 Factory-verified
- 2004–2009 Factory-verified
- 2005–2009 Factory-verified
- 2014 Confirmed
only in: XTS Professional livery; new for the model year (GM Authority 2014 XTS Professional changes)
This page aggregates every documented appearance of DT4 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.