After speaking with a tech at the dealership. They confirm that this will only work with vehicles ARE programed to flash. It usually cost about $60 to have them do it.
My vehicle is already programmed to flash the lights and the clown nose. If yours isn’t programmed it can be done at the dealer.
List:
T-30 torx
Electronic buzzer- Radio Shack 90dB Piezo Pulse Model: 273-060