Go to radio "source". Flip through. One choice (on mine) is HDMI ARC. Hit select when it comes around. Raise the volume once it's on, via the radio remote, not the tv remote.
"Next to prayer, fishing is the most personal relationship of man" Herbert Hoover
"American by Birth, Southern by the Grace of God"Lewis Grizzard
2016 GMC Denali 3500Dually--2017 CC 36CKTS