Hello, i've had the avh-p4200dvd installed in my 02 subaru impreza for just over year now and everything had been working well. On saturday when i turned on my car, the music began playing as usual, however the touch screen is unresponsive. I turned off the car, turned it back on, the music began playing and the touch screen worked for about 2 minutes before becoming unresponsive again. I pushed the reset button, waited for the unit to reboot and the screen worked for 2 minutes before being unresonsive again. I spoke with Pioneer and because my warranty is expired they suggested taking it to t