- 2003–2009 Factory-verified
VS1 Factory-verified
Also documented for CadillacChevrolet
Documented applications
- 2009 Factory-verified
the 2009 list prints "First and Kit"; the 2009 list prints "First and Kit"; GM's other lists read VS1 as the first aid kit;
This page aggregates every documented appearance of VS1 in the Hummer reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.