Short answer you can t really do it without a remote or keypad.
Program 2006 tahoe garage door opener without the remote.
Find the learn or smart button.
The process is different between the third generation 2007 to 2010 and the second generation tahoe 1999 to 2006.
In those cases the process of how to program a homelink garage door opener without a remote will involve a different set of instructions.
Press the learn button once which will give you 30 seconds to complete the next task.
Programming a transmitter to a rolling code opener.
You can also program additional remotes beyond the two that come with your tahoe the tahoe s memory will store up to eight.
We have a garage door opener on the door at my house at school but i don t believe any of us have the actual remote opener for it.
Is it possible to program my homelink unit in my truck to open the door without a remote to learn from.
Examples include very new garage door openers and situations where vehicles need to be running or have the ignition turned on to program the transceiver.
This is typically next to the hanging antenna wire on the back of the motor.
Your car needs to learn the frequency of the garage door opener and that s done with a remote or keypad.