Seats, heated, second row outboard

Years 2000–02, 2004–09, 2015–20, 2022–27 Models 13 Factory citations 55

Also described as Seats, heated, rear outboardSeats, heated, rear outboard seating positionsSeats, heated, second rowSeats, heated, rear outboard seatsHeater, rear seatHeater, seat, rearSeats, second row, heated, outboardHeated second-row seats

Also documented for Buick Cadillac Chevrolet

Documented applications

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

2017–2019 Factory-verified

2019 guide: SLT-2, Denali: S

GM factory document — 2017 gmc acadia order guide copy gm authority, p.4, p.21.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.5, p.26.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.6, p.28.

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

2025: Denali: S; Elevation, AT4: O; 2026–2027: Denali, Denali Ultimate: S; Elevation, AT4: O

GM factory document — 2025 gmc acadia fleet order guide, p.7.
GM factory document — 2026 gmc acadia fleet order guide, p.7.
GM factory document — 2027 gmc acadia fleet order guide, p.8.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

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.3.
GM factory document — 2026 gmc hummer ev pickup fleet order guide, p.4.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.4.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

only in: 2500 HD and 3500 HD pickup; SLT: O; AT4, AT4X, Denali, Denali Ultimate: included in the trim group; Pro, SLE: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.17.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.16.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.16.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.11.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.12.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.12.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.12.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.14.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.11.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Terrain — Third generation (2025–2027)

2025–2027 Factory-verified

S: Denali (from 2026); O: Elevation, AT4 (from 2026); included in, and only available with, ZL4

GM factory document — 2025 gmc next generation terrain fleet order guide, p.14.
GM factory document — 2026 gmc next generation terrain fleet order guide, p.5.
GM factory document — 2027 gmc terrain fleet order guide, p.5.

Yukon — GMT800 (2000–2006)

2000–2002, 2004–2006 Factory-verified

the 2002 list words it "Heater Seat, Rear"

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2002 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.

Yukon — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

Yukon — K2XX (2015–2020)

2015–2018 Factory-verified

2015–2018: SLT, Denali: S; SLE: not offered; 2018 from GM's 2018 Yukon order guide

GM factory document — 2015 gmc yukon denali fleet order guide wayback, p.2.
GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.22.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.3.

Yukon — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.11.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.11.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.5.
GM factory document — 2026 gmc yukon denali fleet order guide, p.5.
GM factory document — 2027 gmc yukon fleet order guide, p.5.

Yukon XL — K2XX (2015–2020)

2015–2017 Factory-verified

SLT, Denali: S; SLE: not available; the 2015 guide reads heated second row, without outboard

GM factory document — 2015 gmc yukon xl denali fleet order guide wayback, p.2, p.5.
GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.2, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.9.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.22.

Yukon XL — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.11.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.11.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.5.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.5.
GM factory document — 2027 gmc yukon xl fleet order guide, p.5.

This page aggregates every documented appearance of KA6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.