- 2015–2017 Factory-verified
2015–2016: SL, Canyon: S; SLE, SLT: not offered; the upfitter lists name it infotainment system, base HMI
IO3 Factory-verified
Also described as Audio system, 4.2 inch diagonal color display, AM/FM stereo, USB port and auxiliary jackAudio system, 4.2 inch diagonal color display, AM/FM stereo, USB, auxiliary jack
Also documented for CadillacChevrolet
Documented applications
- 2015 Factory-verified
Sierra: included in the trim group; SLE, SLT: not offered
- 2014, 2016–2017 Factory-verified
the code is written with the letter O in GM's lists; the 2014 guide adds an SD card slot.
This page aggregates every documented appearance of IO3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.