Here keycuttingmachine.org will show the procedures on how to use Xhorse XC-Mini to cut GMC B102 key.Now this key cutting machine is stop production,the replacement is Xhorse Condor XC-MINI Plus
Steps:
Select Car Maker “GMC”,then click Confirm

Input key code:S591B

S000A-S999K

Use Clamp M1

Put the blank key on the clamp M1

proceed cutting work

it will start next side cutting working

Cutting done!