- 2018, 2022–2023 Factory-verified
S on all trims; includes tow/haul button with V92 trailering package (2018); the 2022–2023 guides call it Driver Mode Selector
URC Factory-verified
Also described as Interactive Drive Control System
Also documented for CadillacChevroletGMC
Documented applications
- 2013 Confirmed
deleted for 2014 (GM's 2014 list)
This page aggregates every documented appearance of URC in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.