- 2001–2005 Factory-verified
the 2001–2002 lists read tire P225/60R16 AL2 and require FE4
XNX Factory-verified
Also documented for ChevroletOldsmobile
Documented applications
This page aggregates every documented appearance of XNX in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.