- 2007–2009 Factory-verified
AQ4 Factory-verified
Also documented for BuickCadillacChevroletGMCOldsmobilePontiac
Documented applications
- 2005 Factory-verified
the 2005 list prints "Sear Rear".
This page aggregates every documented appearance of AQ4 in the Saturn reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.