Strange radio issue

[SandawgK5]

For some reason all of a sudden the radio does not turn off when I open the drivers door.

I understand the reserve power aspect of these vehicles but when I turn the truck off the radio wont turn off until the passenger door is opened.

Where is the switch for the door on these trucks, I looked all over and could not find a door switch.

Has anyone experienced this before?

Thanks

Dik