The homelink system does not have a way to set a code manually.
Program garage door opener to car without remote.
The process is mostly the same.
Or you can use an electronic keypad to control the door without a remote.
How to program my homelink garage door opener press and launch the study button.
Observe the identical procedure for each additional door you wish to program.
Place the garage door opener into learn mode by pressing the small square colored button or the small round black button on a genie located behind the light bulb globe in the garage.
But you can use your remote transmitter to reset the garage door opener buttons inside your car.
You must use a remote to program it.
You can t program a garage door opener without a remote controller.
Tried programming the second door held the garage door opener button and pressed the second button and it didn t program the car instead it programmed the remote to open both the main door and 2nd door now from the same button on the same remote external we weren t trying to mess with the main door at this point.
Unfortunately if you have an older unit there are no instructions for how to program a homelink garage door opener without a remote.
Final return the programming swap to r for run and press the assigned transmitter button to test the door and start the door shifting.
The led on the garage door opener will go on immediately.