- 2013, 2015 Single-source
new for 2013, premium paint (GM Authority 2013 changes); deleted for 2016 (GM Authority 2016 changes); single-source: GM Authority 2013 changes does not credit GM; GM Authority 2016 changes does not credit GM
GLK Single-source
Also documented for Cadillac
Documented applications
This page aggregates every documented appearance of GLK in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.