- 2006, 2007 Factory-verified
DT3 Factory-verified
Also described as Compartment, rear box, stowage
Also documented for BuickCadillacChevroletOldsmobilePontiac
Documented applications
- 2003–2006 Factory-verified
- 2007–2009 Factory-verified
This page aggregates every documented appearance of DT3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.