Cold Weather Package

Years 2014–15, 2018, 2023, 2025–26 Models 4 Factory citations 11

Query this via API →

Also described as Cold weather package

Also documented for Chevrolet GMC

Documented applications

ATS — Alpha (2013–2019)

2014–2015, 2018 Factory-verified

heated front seats KA1 with a heated steering wheel (UVD in 2014 and 2015, KI3 in 2018)

GM factory document — 2014 cadillac ats fleet order guide wayback, p.4.
GM factory document — 2015 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats sedan fleet order guide wayback, p.2.

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

2025: V-Series Blackwing: S; Luxury, Sport, V-Series: O; 2026: Luxury, V-Series Blackwing: S; GM includes heated seats (KA1) and a heated steering wheel (KI3) in the CT4 guides

GM factory document — 2025 cadillac ct4 fleet order guide, p.10.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.1.
GM factory document — 2026 cadillac ct4 fleet order guide, p.1.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.1.

CT5 — Alpha 2 (2020–2026)

2023 Factory-verified

GM factory document — 2023 cadillac ct5 v ct5 v blackwing fleet order guide wayback, p.1.

XT4 — E2 (2019–2025)

2025 Factory-verified

Premium Luxury, Sport: O; includes KA1, KA6 and KI3

GM factory document — 2025 cadillac xt4 fleet order guide, p.8.
GM factory document — 2025 cadillac xt4 fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of Y19 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.