[2ndgen]

I use it with an OBDlink-MX+ adapter, works great.

 

[2ndgen]

I haven't checked but believe there is a clock spring calibration function.
I've disabled the lane-change signal feature, and am using it to add some sales codes. I upgraded my steering wheel to have the radio controls, will be upgrading my console to one with EVIC (needed for the radio controls), and will be enabling the towing feature soon once I install that wiring harness.
I've mostly used it to check and clear DTCs

 

[2ndgen]

Is there a preference on clock spring manufacturers?

I don't know about different manufacturers, but do know that there's more than one part number--you need to make sure you get the one with the 3rd connector for the ESP.