Keyless2Go New Uncut Replacement Transponder 80-Bit Ignition Car Key MZ24 MZ34 This is a brand new uncut transponder key for select Mazda vehicles. Please check product description for vehicle fit guide. A website link to free DIY programming instructions will be provided with every order. 2 original keys required in order to do self-programming. If you only have 1 or no keys then you will need to get this key programmed by an automotive locksmith or dealership. This key WILL NOT WORK if you have smartcard proximity entry in your vehicle. Replacement for part numbers: MZ24, MZ34, MAZ24RT17, F1Y1-76-2GX CANADIAN VEHICLES: vehicles made for Canadian market do not have onboard DIY programming available and will require dealer/locksmith programming; please contact us before purchasing if you have any questions.