- 2022–2023, 2026 Factory-verified
ATD Factory-verified
Also described as Seat delete, third row passengerSeat, third row, delete
Documented applications
- 2014 Factory-verified
Trim marks in the 2014 guides: Police: S; Special Service: S.
- 2016–2019 Factory-verified
2016: Police Vehicle, Special Service; the lists read seat, third row, none; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: Police Package, Special Service: S; FL: O
This page aggregates every documented appearance of ATD in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.