Audio system, GMC Infotainment System with 7 inch diagonal color touch-screen

Years 2019–27 Models 5 Factory citations 21

Also described as Audio system, GMC Infotainment System, 7 inch diagonal color touch screen, AM/FM stereo, Bluetooth, Android Auto and Apple CarPlayAudio system, GMC Infotainment 3 system, 7 inch diagonal HD color touchscreen, AM/FM stereo, Bluetooth audio streamingAudio system, GMC Infotainment System, 7 inch diagonal multi-touch display, AM/FM stereo, Bluetooth streaming audio, Android Auto and Apple CarPlay

Also documented for Buick Chevrolet

Documented applications

Canyon — Second generation (GMT31XX) (2015–2022)

2019, 2021–2022 Factory-verified

2021: Elevation Standard: S; Elevation, AT4, Denali: not offered under this code; the 2021 guide p.1 prints IOR a second time for an 8 inch entry (S on Elevation, AT4), which is GM's misprint for IOS, as its footnotes call it

GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.10.
GM factory document — 2021 gmc canyon fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.11.

Savana — GMT610 (2003–2027)

2027 Factory-verified

S on all trims

GM factory document — 2027 gmc savana cargo fleet order guide, p.18.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.13.
GM factory document — 2027 gmc savana passenger fleet order guide, p.15.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

AM/FM stereo, Bluetooth streaming; wireless Apple CarPlay and Android Auto capable; Pro: S; SLE, SLT, AT4, AT4X, Denali, Denali Ultimate: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.1.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

the upfitter lists read "Radio, infotainment system 3.x low HMI, midlevel connectivity 3.x"

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.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.11.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.13.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.11.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

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

2019 Factory-verified

SL, SLE, SLE Diesel: 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 IOR in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.