C59 ✓ Factory-verified

Cadillac · Regular Production Option

Air vents, rear

Years 2025–27 Models 4 Factory citations 13

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Also documented for BuickChevroletGMC

Documented applications

CT4 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  all trims: S

  ⛭ GM factory document — 2025 cadillac ct4 fleet order guide, p.1.

  ⛭ 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.

Vistiq — BEV3 (2026–2027) →

• 2027 ✓ Factory-verified

  all trims: S

  ⛭ GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.54.

XT4 — E2 (2019–2025) →

• 2025 ✓ Factory-verified

  Premium Luxury, Sport: S

  ⛭ GM factory document — 2025 cadillac xt4 fleet order guide, p.1.

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

XT5 — C1XX (2017–2026) →

• 2025–2026 ✓ Factory-verified

  2025: all trims: S; 2026: Luxury, Premium Luxury: S; Sport: not available

  ⛭ GM factory document — 2025 cadillac xt5 fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 cadillac xt5 professional vehicles fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 cadillac xt5 fleet order guide, p.1.

  ⛭ GM factory document — 2025 cadillac xt5 fleet order guide, p.18.

  ⛭ GM factory document — 2026 cadillac xt5 fleet order guide, p.1.

  ⛭ GM factory document — 2026 cadillac xt5 fleet order guide, p.19.

Related codes · mentioned in these notes

S

This page aggregates every documented appearance of C59 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.