Connect K518 host with vehicle via OBD diagnostic socket
Select Immobilizer-> Cadillac->CTS->Remote-> Program Remote
All the remotes will be deleted, need to be re-programmed to use, to perform this function, please prepare all remotes, switch ignition on, click [OK] to continue.
Press and hold the remote key lock and unlock buttons together for 6 sec, then release, to program more, please repeat the above steps, click OK to continue.
Test the remote control