Find the learn or smart button.
Programming corvette garage door opener without remote.
Edit 08 beat me to it but yes it also depends on the type of opener it is.
The process is mostly the same.
Release the button as soon as the garage door moves within one second.
You must use a remote to program it.
Unfortunately if you have an older unit there are no instructions for how to program a homelink garage door opener without a remote.
Press the learn button once which will give you 30 seconds to complete the next task.
Exit the car and enter your garage locating the garage door opener motor.
Go back to the garage to your door opener and push the learn or smart button that you located earlier.
Once you press this you must complete the next step within 30 seconds.
Press the button again to finish the programming.
Quickly and safely return to the vehicle or signal a helper to complete the next step.
Yes on the actual garage opener there is a discovery button that emits a signal you have to park your truck very close to the garage door press that button on the unit then run to your truck and program it.
Test your button to make sure the system works.
This is typically next to the hanging antenna wire on the back of the motor.
This is a quick tutorial explaining how to pair the home link system in your vehicle with your garage door opener.
The homelink system does not have a way to set a code manually.