PS1 ✓ Factory-verified

Cadillac · Regular Production Option

Comfort and air quality package

Years 2025 Models 1 Factory citations 2

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Also documented for BuickGMC

Documented applications

XT6 — C1XX (2020–2025) →

• 2025 ✓ Factory-verified

  Premium Luxury: S; Sport: S; includes KEM, KU9 and KA6

  ⛭ GM factory document — 2025 cadillac xt6 fleet order guide, p.1.

  ⛭ GM factory document — 2025 cadillac xt6 fleet order guide, p.64.

Related codes · mentioned in these notes

KA6KEMKU9S

This page aggregates every documented appearance of PS1 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.