- 2001–2004 Factory-verified
only in the lists shared word for word with the Pontiac Grand Am; no other source confirms it on the Alero
RA1 Factory-verified
Also documented for Pontiac
Documented applications
This page aggregates every documented appearance of RA1 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.