KeylessOption Replacement Uncut Ignition Chipped Key Transponder PK3 Blanks B99-PT New replacement uncut ignition transponder key for compatible GM vehicles Easy DIY programming instructions are included with your purchase. In order to use these instructions once the key blade is cut you must have 1 working original key. Dealer or locksmith programming is required if you do not have a key. Please make sure your key looks like the picture in terms of size and blade style See product description below for a complete list of vehicles this key is compatible with This is a replacement part to match the original in form and function. KeylessOption Warranty Card Included with each purchase