Hello and welcome to Just answer.com, Super mechanic here. Please DON’T hit accept until you are completely satisfied with the answer. If you need any more on it just let me know. About your vehicle.
I hate to be the bearer of bad news, but yes, the dealship would be the place to get that done.
REGISTER TRANSMITTER ID Perform the procedures below to register the transmitter.
DISPLAY TRANSMITTER (ID).