RSR ✓ Factory-verified

Cadillac · Regular Production Option

Rear seat reminder

Years 2023, 2025–27 Models 6 Factory citations 14

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Also described as Rear Seat ReminderRear seat reminder (door-activated)

Also documented for BuickChevroletGMC

Documented applications

CT4 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  only in: CT4; all trims: S

  ⛭ GM factory document — 2025 cadillac ct4 fleet order guide, p.3.

  ⛭ GM factory document — 2026 cadillac ct4 fleet order guide, p.4.

CT5 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  only in: CT5 (Premium Luxury, Sport); Premium Luxury, Sport: S

  ⛭ GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 cadillac ct5 fleet order guide, p.3.

  ⛭ GM factory document — 2026 cadillac ct5 fleet order guide, p.3.

Escalade IQ — Ultium BEV (2025–2027) →

• 2025–2027 ✓ Factory-verified
  ⛭ GM factory document — 2025 cadillac all electric escalade iq fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 cadillac all electric escalade iql fleet order guide rpo codes, p.1.

Escalade — T1XX, 5th gen (2021–2027) →

• 2023, 2026 ✓ Factory-verified
  ⛭ GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.12.

  ⛭ GM factory document — 2026 cadillac escalade escalade esv electrical body builder manual service manual 2026 en us, p.8.

Optiq — BEV3 (2025–2027) →

• 2025–2027 ✓ Factory-verified
  ⛭ GM factory document — 2025 cadillac all electric optiq fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.

Vistiq — BEV3 (2026–2027) →

• 2026–2027 ✓ Factory-verified

  all trims: S

  ⛭ GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.56.

  ⛭ GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.56.

Related codes · mentioned in these notes

CT5S

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