Article: HISTORY OF THE CAR RADIO
Seems like cars have always had radios, but they didn't.
Here's the story:
One evening, in 1929, two young men named William Lear and Elmer Wavering drove their
girlfriends to a lookout point high above the Mississippi River town of Quincy, Illinois, to watch
the sunset. It was a romantic night to be sure, but one of the women observed that it would be
even nicer if they could listen to music in the car