Apparently the Nissan Corp. has ruined the fun of aftermarket tuners on the
latest GT-R high performance street sportscar in Japan. The ECU is set on a
hair trigger and balks at many aftermarket performance upgrades as well as
non-factory installed tires and wheels through the run-flat detectors.
But more ominously, the onboard navigation system watches your speed via GPS
and recognizes popular racetrack locations. You must scroll through a
series of menus and agree to disable the 180kph (111mph) speed limiter.
Then after thrashing it on the track, you must take it for a $1000 Nissan
High Performance Center safety check or the warranty is void.
Big Brother is your co-pilot.
http://catless.ncl.ac.uk/Risks/25.11.html#subj8
