- 2013 Confirmed
Promotional color, available spring 2013; GM Authority, 2012-04 RPO Central report; no GM list was read for 2013.
GWU Confirmed
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of GWU in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.