Grille, front shutters, active, upper and lower

Years 2023, 2025–27 Models 4 Factory citations 10

Also described as Grille shutters, active, upper and lowerGrille, front shutters, active upper and lowerActive aero shutters

Also documented for Buick Chevrolet GMC

Documented applications

Escalade IQ — Ultium BEV (2025–2027)

2025–2027 Factory-verified

GM factory document — 2025 cadillac all electric escalade iq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric escalade iql fleet order guide rpo codes, p.1.

Escalade — T1XX, 5th gen (2021–2027)

2023 Factory-verified

GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.14.

Optiq — BEV3 (2025–2027)

2025 Factory-verified

GM factory document — 2025 cadillac all electric optiq fleet order guide rpo codes, p.1.

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

Luxury, Premium Luxury: S; Sport: not available

GM factory document — 2025 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac xt5 professional vehicles fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac xt5 fleet order guide, p.5.
GM factory document — 2025 cadillac xt5 fleet order guide, p.28.
GM factory document — 2026 cadillac xt5 fleet order guide, p.7.
GM factory document — 2026 cadillac xt5 fleet order guide, p.28.

This page aggregates every documented appearance of WMI in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.