IOT ✓ Factory-verified

GMC · Regular Production Option

Audio system, GMC Infotainment System with navigation, 8 inch diagonal multi-touch display, AM/FM/SiriusXM stereo, greater memory

Years 2019–20, 2022 Models 2 Factory citations 4

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Also described as Audio system, infotainment system 3.x mid/high HMI, enhanced connectivity, voice recognition, premium navigation

Also documented for BuickCadillacChevrolet

Documented applications

Sierra — T1XX (2019–2026) →

• 2019–2020, 2022 ✓ Factory-verified
  ⛭ GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.11.

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.12.

  ⛭ GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.12.

Terrain — Second generation (D2XX) (2018–2024) →

• 2019 ✓ Factory-verified

  Denali: S; letter O in the code as GM prints it

  ⛭ GM factory document — 2019 gmc terrain order guide copy gm authority, p.2, p.27.

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