Touch screen head units are pretty much the norm these days. Many compromise with annoying on-screen volume controls or tiny buttons. If you find yourself with such a unit, you might like to hack … ...

In other words, Pioneer keeps investing in new capabilities for its head units, and the firmware updates it releases typically bring lots of goodies to customers worldwide. This is the case with a ...

Touch screen head units are pretty much the norm these days. Many compromise with annoying on-screen volume controls or tiny buttons. If you find yourself with such a unit, you might like to hack ...

Sony's XAV-A1 single-DIN mobile A/V unit features a motorized 7-inch QVGA touch screen, picture EQ, 24-bit DAC, and 4-volt preamp output. The system also comes with a wireless card remote.

The Raspberry Pi 3, touchscreen, and case will run you about $110, which sure beats what you'd have to spend on a manufactured single-DIN Android Auto head unit.

And the touch-screen head unit is easily removed. "The faceplate pops right off," he said. "I think it's four Phillips screws." And yes, one of his current customers lives in Riverfront Towers.