How do you program a cool start vvj-t612s434 factory oem key fob?

To program a cool start VVJ-T612S434 factory OEM key fob, first, insert your vehicle key into the ignition and turn it to the "On" position without starting the engine. Within five seconds, press and hold the "Lock" button on the key fob for about 10 seconds. After that, turn the ignition off and remove the key. Test the key fob to ensure it operates correctly; if not, repeat the process. Always consult the vehicle's manual for specific programming instructions.