This hyundai video includes everything that you should need.
How to program hyundai sonata garage door opener.
Hold remote about 6 away from mirror and keep both buttons firmly depressed until the light on the mirror blinks rapidly.
Programming homelink when programming a garage door opener it is advised to park the vehicle outside of the garage.
Do not release until the homelink indicator light flashes slowly and then rapidly.
It is recommended that a new battery be placed in the hand held transmitter of the device being programmed to homelink.
Some vehicles may require the ignition.
Press and hold the two outside buttons on mirror for 10 30 seconds until led flashes rapidly.
Position the end of your hand held garage door transmitter 1 3 inches away from the homelink button you wish to program.
Next decide which garage door button in your hyundai you d like to program.
Guide to programming your hyundai garage door buttons with the vehicle parked outside your garage and the garage door closed press and hold the two outside garage door buttons on the left and the right until you see the red light next to them begin to flash.
Using both hands simultaneously press and hold both the desired homelink button and hand held garage door button.