I only had this head unit installed for less than 5 days.I bought it brand new from an authorized Pioneer dealer. I never hacked it, or anything. I used the Metra Mito-2 harness in order to retain the factory Rockford Fosgate system.
Car: 2010 Mitsubishi Lancer
Harness: Metra Mito-2
It was working flawlessly for the 1st 3 days, then out of the blue the ATT function pops up on the top right corner of the screen and kills the volume. I have a factory hands free, but it isnt hooked up to any phone. A few hours later I get into the car, start her up and the stereo works fine (no ATT). A f