This is a new tuner. It has only been used to read the cars software versions. The tuner has options to enhanced shifting with the reduction of torque management, adjust shift points & rev limiter, select Autostick shifting with gear hold, eliminate the speed limiter and recalibrate the speedometer for replacement tire sizes 17" to 37". You can also choose between 87 octane and 91 octane performance tunes. The tuner is internet updateable and can be used to read diagnostic trouble codes. It comes with all cables, instructions and original box. SOLD