- 2009 Factory-verified
Also described as Heater, seat, frontSeats, heated driver and front passengerHeater, seatSeats, heated, driver and passenger, high back bucket with leatherHeated seatHeater, front seatSeats, heated, driver and front outboard passengerSeating, heated, driver and front passengerSeating, heated driver and front outboard passengerHeated front seats
Also documented for BuickCadillacGMCHummerOldsmobilePontiacSaturn
Documented applications
- 2019, 2025–2026 Factory-verified
2LT, 3LT, RS: S; Premier: S (2025 only)
- 1998–2005 Factory-verifiedGM Heritage factory kit — 1998 Chevrolet S 10 Blazer, p.13.GM Heritage factory kit — 1999 Chevrolet S 10 Blazer, p.38.
- 2017, 2023 Factory-verified
2017: LT: O with WPU; 2023 EUV: LT: O with WPT, Premier: S
- 2027 Factory-verified
LT: O; RS: S; included with and only available with Y55
- 2014 Confirmed
GM Authority 2014 RPO list
- 2016, 2019, 2023 Factory-verified
- 2014 Factory-verified
2LS, 1LT: O (only with WPG); LTZ: S
- 1998–2000 Factory-verified
- 2005–2009 Factory-verifiedGM Heritage factory kit — 2005 Chevrolet Cobalt, p.40.GM Heritage factory kit — 2007 Chevrolet Cobalt, p.29.
- 2015–2019, 2021–2022 Factory-verified
2015: Z71: S; LT: O; Base, WT: not offered; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
- 2023–2027 Factory-verified
LT, Z71, ZR2: S; Trail Boss: O; WT: not offered
- 2004–2009 Factory-verified
- 2005–2009 Factory-verified
Heated seats in the 2005 and 2006 order guides (HK 2005 p.96; HK 2006 p.109).
GM Heritage factory kit — 2005 Chevrolet Corvette, p.22.GM Heritage factory kit — 2006 Chevrolet Corvette, p.25.
- 2018–2019 Factory-verified
2018: sedan S: 1SF; O: 1SC, 1SD; included: 1SG, 1SH; hatch S: 1SF; O: 1SC, 1SD; included: 1SG, 1SH; 2019: sedan S: 1SF; O: 1SD; included: 1SH; hatch S: 1SF; O: 1SD; included: 1SH
- 2005–2009 Factory-verified
- 2025–2027 Factory-verified
S on all trims
- 2006–2009 Factory-verified
- 2014–2016 Factory-verified
2014: 2SA, 1LT, 2LT: O (in PCV); 1LZ, 2LZ: S; 2015: 1LT, 2LT: O (in PCV); 3LT: O (includes AG2); 1LZ, 2LZ: S; 2016: 2LT: O (in PCV); 3LT: O (includes AG2); 2LZ: S
- 2018 Single-source
in PI5 (GM Authority's 2018 Impala article, narrative package-contents section, which is not the credited 'Official RPO Changes' list)
- 2000–2005 Factory-verified
The 2000 list reads "Heater Seat Front".
GM Heritage factory kit — 2000 Chevrolet Impala, p.43.GM Heritage factory kit — 2004 Chevrolet Impala, p.30.
- 2006–2007, 2009 Factory-verified
- 1998 Factory-verified
platform-list code; the Malibu 1997–1999 kit order guides do not show it.
- 2004–2008 Factory-verified
shared Epsilon code (Pontiac G6, Saturn Aura).
GM Heritage factory kit — 2005 Chevrolet Malibu, p.22.GM Heritage factory kit — 2006 Chevrolet Malibu, p.28.GM Heritage factory kit — 2007 Chevrolet Malibu, p.28.
- 2008–2009 Factory-verified
- 2015–2016 Factory-verified
2015: 2LT, 3LT: O (with PCP); 1LZ, 2LZ: S; 2016: 1LZ: S
- 2000–2007 Factory-verified
The 2000, 2006 and 2007 lists add "front". Also in the kit's Monte Carlo order guide.
GM Heritage factory kit — 2006 Chevrolet Monte Carlo, p.110.
- 1998–2004 Factory-verified
- 2016–2019 Factory-verified
2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
- 2023, 2025–2027 Factory-verified
- 2015, 2017–2019 Factory-verified
- 2025–2026 Factory-verified
- 2020, 2022–2026 Factory-verified
- 2017–2019 Factory-verified
LT: O; Premier: S; in PDB on the LT
- 2017–2019 Factory-verified
2017: 2LT: S; 2018–2019: ACTIV, 2LT: S; 2018 from GM's 2018 order guide
- 2014–2016 Factory-verified
S
- 2003–2006 Factory-verified
the 2003 and 2004 lists read "Heater Seat"
- 1998–1999 Factory-verified
- 2009, 2014 Factory-verified
The 2014 guide words it as seats, heated, driver and front passenger.
- 2022–2023, 2025–2027 Factory-verified
2027: LT, RST, Z71, Premier, High Country: S
- 1998–1999 Factory-verified
- 2009 Factory-verified
- 2022–2023, 2025–2027 Factory-verified
2027: LT, RST, Z71, Premier, High Country: S
- 2025–2027 Factory-verified
RS, ACTIV: S; LT: O; LT: included in, and only available with, Y19
- 2002–2009 Factory-verifiedGM Heritage factory kit — 2002 Chevrolet Trailblazer, p.27.
- 2009, 2015 Factory-verified
the 2015 guide reads heated driver and front passenger seats.
- 2018–2019 Factory-verified
LT Leather, RS, Premier, High Country: S; LT Cloth: O on FWD (only with ZL3), S on AWD
- 2024 Single-source
decoderpo.com's 2024 Traverse Limited order guide page lists it on its Standart Equipment tab (1LS); the page is a T3 mirror of GM's guide and the repository holds no GM document for 2024
- 2016, 2018–2019 Factory-verified
LTZ (2016), Premier (2018–2019): S
- 2025–2026 Factory-verified
1RS, 2RS, ACTIV: S; LS, LT: O; LS only with the LS Convenience Package (ZFT); LT only with the LT Convenience Package (6K5)
- 2005–2008 Factory-verified
- 2000–2005 Factory-verified
the 1998–1999 lists print the wording without front; 1998, 1999 left out: the Venture 1998 and 1999 order guides do not print it
- 2014–2015 Factory-verified
2015: O, included with PCQ; with automatic activation; 2014: made available with the cloth interior and included with PCQ (GM Authority 2014 RPO changes, which it calls GM's official change list)
- 2013 Single-source
included with PCM (GM Authority 2013 RPO changes, which do not say they come from GM); no GM document read for 2013
- 2016–2018 Factory-verified
LT: included with and only with PDB; Premier: S; with automatic activation
This page aggregates every documented appearance of KA1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.