Wheel sensors go wonky and prevent the car from driving. Nobody's figured out how to hack it yet. The show cars with aftermarket wheels have to be driven in and out with stock wheels. They never roll on aftermarket wheels.

In addition to that little jewel there's this:

They don't unlock all the electronic limiters unless the GPS says you're on a Nissan-approved rack. And even then if you don't report to the dealer immediately after your track session for a $1000 "checkup" your warranty is voided.

People wanted a computer to drive them around the track and boy did they get it.