- 2014 Confirmed
new for 2014 (GM Authority 2014 RPO changes); GM Authority 2014 RPO list
T3N Factory-verified
Also described as Daytime running lamps, separate, with the RS package
Documented applications
- 2019 Factory-verified
LS: S; new for 2019
- 2016 Factory-verified
S; the 2014 and 2015 guides print daytime running lamps with no code
This page aggregates every documented appearance of T3N in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.