Keyless2Go New Uncut Replacement PK3 Transponder Ignition Car Key B99 (2 Pack) This listing is for 2 brand new uncut transponder keys for select GM vehicles. Please check product description for vehicle fit guide. A website link to free DIY programming instructions will be provided with every order. 1 original key required in order to do self-programming. Otherwise you will need to get this key programmed by an automotive locksmith or dealership. This product is fully tested to guarantee its functionality. Replacement for part numbers: B99-PT, 690898, 692953, 15281267, 15821273, 15821271, 15821269, 15281267, 15821 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.