- 2006–2009 Factory-verified
The 2006 and 2007 lists abbreviate rear as RR and mounting as MTG.
ATY Factory-verified
Also documented for PontiacSaturn
Documented applications
- 2006–2007, 2009 Factory-verified
Equipment per the pilot convention; the 2009 list reads "Seat Rear - Not Installed".
GM Heritage factory kit — 2006 Chevrolet HHR, p.24, p.117.
This page aggregates every documented appearance of ATY in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.