- 2009, 2014–2016 Factory-verified
the 2014–2016 guides read Bluetooth phone connectivity to the vehicle audio system.
UPF Factory-verified
Also described as Wireless interface, short range, voice recordingWireless interface, short range, voice recorder
Also documented for BuickCadillacChevroletHummerPontiacSaturn
Documented applications
- 2009 Factory-verified
- 2014–2016, 2018, 2022–2023 Factory-verified
- 2009 Factory-verified
- 2009, 2014 Factory-verified
the 2014 guides call it Bluetooth for phone
- 2009 Factory-verified
This page aggregates every documented appearance of UPF in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.