Once the button is pressed you have 30 seconds in which to initiate the next step.
Program mirror garage door opener.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
Hold the buttons pressed for at least 20 seconds.
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.
3 easy steps to clear and program your homelink 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.
Then press the learn button the opener and then press and hold the button on the mirror.
How do you program an after market mirror garage door opener.
Return to the vehicle and firmly press and hold the desired homelink button for two seconds and release.
Press homelink and transmitter buttons at the same time.
This may have to be several times.
You will have to follow the manufacturer s instructions.