inputs.text: not bother - bought replace stock stereo wanted bluetooth connection built gps gain new functions lose basics bluetooth allows use phone not stream music external mic find place say play music sd card slot not true comes new auxusb port fits factory holes tried connecting phone no go usb port charge neither play music gives error messages complaining no video connection installation not plug play mess wire harnesses wrestle gps not shut speed instruction book download doesnt help 47 pages not useful word whole thing overall unit not user friendly installed less 3 hours deciding send back favor buy something else