Heated wiper park

Years 2025–27 Models 2 Factory citations 6

Query this via API →

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

2025: Denali: S; Elevation, AT4: O; 2026–2027: Denali, Denali Ultimate: S; Elevation, AT4: O; printed with the letter O; GM prints no zero form

GM factory document — 2025 gmc acadia fleet order guide, p.8.
GM factory document — 2026 gmc acadia fleet order guide, p.8.
GM factory document — 2027 gmc acadia fleet order guide, p.9.

Terrain — Third generation (2025–2027)

2025–2027 Factory-verified

S: AT4 (from 2026), Denali (from 2026); O: Elevation; on Elevation it is part of ZQ3 (Convenience Package II), which GHI includes

GM factory document — 2025 gmc next generation terrain fleet order guide, p.16.
GM factory document — 2026 gmc next generation terrain fleet order guide, p.6.
GM factory document — 2027 gmc terrain fleet order guide, p.6.

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