NYS Factory-verified

GMC · Regular Production Option

Steering, electronic, 4 wheel, with CrabWalk diagonal-drive functionality at low speeds

Years 2002–06, 2024–27 Models 6 Factory citations 21

Query this via API →

Also described as Four-wheel steering (Quadrasteer)Steering, four wheel

Also documented for Cadillac Chevrolet

Documented applications

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

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

the 2026 guide adds King Crab mode functionality.

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 4SC, 4SD, 5SD; A in 5SC; not offered in 3SB, 3SC, 5SB; 2027: S in 4SC, 4SD, 5SD; A in 5SC; not offered in 3SB, 3SC

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.7.
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.

Sierra — GMT800 (1999–2007)

2002–2005 Factory-verified

GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2002–2005 Factory-verified

GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2002–2006 Factory-verified

GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2003 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2004 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2005 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2006 gmc yukon 2wd rpo code list, p.1.

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