You can tell by the SW ver in the System Info of the head unit. For examples:

  • If the SW ver: ST.JF.USA.E533.190218 - The "E" between the USA and 533 is for GEN 4
  • If the SW ver: TLFL.USA.SOP.V115.200324.STD_H - The "V" between the USA and 115 is GEN 5
  • If the SW ver: LX2.CAN.S5W_M.V004.001.200826 - The "S5W" is for GEN 5 Wide

or you can use the list below


FS

2012 - 2015 Veloster
2012 - 2017 Veloster (CAN only)


GEN 1

Hyundai
2008 - 2010 Sonata
2010 - 2012 Genesis 8" Touch Only
KIA
2009 Borrego
2010 Rondo
2009 - 2014 Sedona
2009 - 2010 Sportage


GEN 2

Hyundai
2012 - 2013 Azera
2014 - 2017 Azera (CAN only)
2011 - 2013 Elantra
2013 - 2015 Elantra GT
2011 - 2013 Sonata
2011 - 2015 Sonata Hybrid
2013 Genesis Coupe
KIA
2011 - 2013 Optima
2011 - 2013 Optima Hybrid
2011 - 2014 Rio (all models)
2011 - 2013 Soul
2011 - 2013 Sportage 


GEN 3

Hyundai
2014 Azera
2014 - 2016 Elantra
2013 - 2016 Santa Fe (all models)
2014 Sonata
2014 - 2015 Tucson
2014 - 2018 Tucson Fuel Cell
2014 - 2016 Genesis Coupe
KIA
2014 - 2016 Cadenza
2014 - 2016 Forte (all models)
2014 Optima
2014 Optima Hybrid
2015 - 2017 Rio (all models)
2014 - 2018 Rondo (CAN only)
2014 - 2015 Sorento
2014 - 2016 Sportage


GEN 4

Hyundai
2015 - 2017 Azera
2017 - 2018 Elantra
2016 - 2017 Elantra GT
2017 - 2018 Ioniq Hybrid
2017 - 2018 Ioniq EV
2017 - 2018 Santa Fe (all models)
2015 - 2017 Sonata
2016 - 2017 Sonata Hybrid
2016 - 2017 Sonata PHEV
2016 - 2017 Tucson
2016 - 2017 Veloster
2015 - 2016 Genesis 8" Touch Only
Genesis
G 80 8" Touch Only
KIA
2017 - 2018 Cadenza
2017 - 2018 Forte (all models)
2017 - 2018 Niro
2015 - 2017 Optima
2015 - 2017 Optima Hybrid
2017 Optima PHEV (CAN only)
2015 - 2018 Sedona
2016 - 2018 Sorento
2014 - 2017 Soul
2015 - 2018 Soul EV
2017 Sportage


GEN 5

Hyundai
2019 - 2020 Elantra
2018 - 2020 Elantra GT
2019 Ioniq Hybrid
2019 Ioniq EV
2018 - 2019 Ionig PHEV
2018 - 2020 Kona
2019 Kona Iron Man Edition
2019 Kona EV
2019 - 2020 Santa Fe
2019 Santa Fe XL
2018 - 2019 Sonata
2018 - 2019 Sonata Hybrid
2018 - 2020 Sonata PHEV
2018 - 2020 Tucson
2019 - 2021 Veloster
2020 Venue 
Genesis
2019 - 2020 G80 8" Touch Only
2019 - 2020 G70
KIA
2019 Cadenza
2019 - 2020 Forte 4 Doors
2020 Forte 5 Doors (CAN only)
2019 Niro
2018 - 2019 Niro PHEV
2019 Niro EV
2018 - 2020 Optima
2018 - 2020 Optima Hybrid
2018 - 2020 Optima PHEV
2018 - 2019 Rio (CAN only)
2019 - 2020 Sedona
2019 - 2020 Sorento
2018 - 2019 Soul
2019 Soul EV
2018 - 2021 Sportage
2018 - 2020 Stinger


GEN 5 Wide

Hyundai
2021 Elantra
2020 Ioniq
2020 Ioniq EV
2020 Ioniq PHEV
2020 Kona EV
2020 Palisade
2021 Santa Fe
2020 Sonata
2020 Sonata Hybrid
2021 Veloster N
KIA
2020 - 2021 Cadenza
2020 - 2021 Niro
2020 - 2021 Niro PHEV
2020 - 2021 Niro EV
2021 K5
2021 Seltos
2021 Sorento
2021 Sorento Hybrid
2020 Soul
2020 Soul EV
2020 Telluride


P GEN 1

Hyundai
2014 - 2016 Equus
2013 - 2014 Genesis 9" JogDial
KIA
2015 K900


P GEN 2

Hyundai
2015 - 2016 Genesis JogDial
Genesis
2017 - 2019 G80 9.2" JogDial
KIA
2016 - 2018 K900


P GEN 5

Hyundai
2019 - 2020 Nexo
Genesis
2020 - 2021 G90
2020 G80 9.2" JogDial
KIA
2019 - 2020 K900


P GEN 6

HyundaiGenesis
2021 G80
2021 GV80
KIA