2018 Impala touch screen radio. screen goes on and off. radio doesn't play, USB ports in console do not work. clock and temp are accurate but disappear when screen goes dark. what is happening.
screen goes on and off and radio doesn't play, the usb ports in hidden panel
and console do not work. the time and temp when screen comes on are
With that new of a vehicle, it is certainly still under warranty. I would promptly take it to a dealership and have them sort your issues.
I have the same problem with my 2014 impala. Did anyone find an answer? No sound from radio, no radio screen, no alarm chimes, CD works but no sound.