Chassis, continuous damping adaptive ride control

Years 2017–19, 2024–27 Models 4 Factory citations 11

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Also described as Suspension, continuously variable real time damping

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

SLT-2, Denali: O; only in: AWD; includes the Performance Ride and Handling suspension (FE5) from 2018

GM factory document — 2017 gmc acadia order guide copy gm authority, p.12, p.24.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.15, p.32.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.16, p.34.

Hummer EV Pickup (2022–2027)

2024–2026 Factory-verified

2024: EV2X and EV3X, GM Authority 2024 changes page

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.7.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

2026 and 2027: included with and only available with YDH; 2025: S in 5SC, 5SD; 2026: S in 5SD; A in 5SC; not offered in 3SB, 3SC, 4SC, 4SD, 5SB; 2027: S in 5SD; A in 5SC; not offered in 3SB, 3SC, 4SC, 4SD

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.6.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.12.

This page aggregates every documented appearance of F45 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.