Hold off on the Programmer, until you read up on the UpRev Brand software called Osiris. Much more sophisticated, it has more capability to give you a proper tune for safest modding. It operates from a laptop with a USB to OBD ll Cable, and you can store up to 5 different tunes (they call them Maps) and switch between them instantly with your Cruise Control Buttons. You do not change how the Cruise Control works, very nice system. www.uprev.com The Diagnostic Software included, is called Cipher, excellent stuff.
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