inputs.text: perfect - bought 2012 kia soul came two switchblade keys love saw knew get nissan 350z take bit work get set though doesnt come instructions1 take switchblade key walmart cut guy cut mine free put key ignition turn make sure works car not start dont freak key cut correctly car turn not start see step 42 youll need remove contents keyless remote including little metal piece behind battery dont worry come loose pretty easily3 dump switchblade housing make sure buttons work dont wanna put battery wrong not find key sealed up4 fun part nissan key comes transponder chip car doesnt start try new switchblade key need take razor blade cut open regular boring key took 15 minutes patient almost unnoticeable seam around part key want cut cut away top part key remove key waiting underneath tiny black box transponder theres nice spot little baby sit housing switchblade key didnt need super glue tape get mine stay wedge near key part good go5 play around spring mechanism figure get work took good 10 minutes get right hook protruding piece spring housing rotate spring build torque otherwise press button key wont swing open6 put screws back place sticker youre done go drivehope helps