A:AnswerSorry, the harness for the KD-X33MBS is not interchangeable with the KD-X260BTS. We recommend that you use the harness provided with the new unit.
A:AnswerI'm attaching an image that I took from my user manual, since it's hard to explain the names of the buttons that you have to press, lol.
I hope this helps!
A:AnswerYes, it will work with pretty much any bluetooth enabled phone. As for a USB connection, it worked perfectly with my iPhone 8+, iPhone XS Max, and Galaxy Note 8.
A:AnswerI wouldn’t be able to say. I bought for a VW Beetle. But with that said this was actually an alternative than what I bought because it was shorter due to the shape of my car the other stereo didn’t fit.