I just had my Z2 installed and the Steering Wheel Control as well, but the next button will not work with changing the track on my Ipod like it did when I had a Z1. Now the next button does work for changing the radio station. Does the unit just not do it?

im pretty sure that the peswips does "track up" but on some sources its "preset up" does it have any function at all?

Its just the next button and only with the ipod.

so when you press next it doesnt do anything at all no beep nothing? hmmm you could try to reprogram the pe-swips use the manual

4:track up/ seek up 5:track down/ seek down

if this doesnt work then try to program them as

7 preset up 8 preset down

use peripherals web site if you dont have the manual