Press homelink and transmitter buttons at the same time.
Program mirror garage door opener.
Then press the learn button the opener and then press and hold the button on the mirror.
You will have to follow the manufacturer s instructions.
Return to the vehicle and firmly press and hold the desired homelink button for two seconds and release.
How do you program an after market mirror garage door opener.
Choose the homelink button you would like to program to open your garage and hold it down simultaneously with your hand held transmitter.
If you have programmed a garage door opener to your mercedes benz and would like to keep it skip this step press the two buttons on the bottom on the rear view mirror.
Once the button is pressed you have 30 seconds in which to initiate the next step.
3 easy steps to clear and program your homelink garage door opener.
This may have to be several times.
Hold the device about 1 3 inches from the homelink buttons.
Hold the buttons pressed for at least 20 seconds.