Here we’ll guide you through the detailed, step-by-step procedure for adding a key to 2021-2025 GM vehicles using Xhorse Key Tool Max Pro&XM38 Smart Key.
This method utilizes the advanced capabilities of the XM38 key to streamline and simplify the key programming process.
Open the XM38 key shell and take the battery out. Put XM38 circuit board into VVDI Key Tool Max Pro coil.
Special function >> Copy proximity remote >> ID49(Buick/Chevrolet/Cadillac/GMC) >> Start clone
Put XM38 &Key Tool Max Pro into the car cup holder.
Then put the XM38 back into the Key Tool Max Pro coil.
Press OK.
Place the generated XM38 smart key or XT27B chip into the coil and write the read data.
Write success.
Press “Complete”.
Test the key, it worked.
Done.
