- 2012–2013 Confirmed
new for 2012, with eAssist and on the GS (GM's 2012 list); deleted for 2014, replaced by KTI (GM's 2014 list)
WTR Confirmed
Documented applications
This page aggregates every documented appearance of WTR in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.