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Now, I understand I need to have the key cut by a locksmith and the remote transponder programmed which I can do as it comes with remote programming instructions and they instructions are posted. But, is there anything else? does the key need to be programmed???
I have been reading that the ECU might need to be programmed as well?
Also, do I have to reprogram my current remote as well ?
i only have one key for my gs300. looking into getting a better key my remote doesnt work. is it possible to buy another key and get it programmed when my original doesnt work