How do I program my LiftMaster or Chamberlain Wireless Keyless Entry System?
There are two models of the Wireless Keyless Entry System, the 66LMC and the 976LMC. The 976LMC is for use only with Security+® garage door openers having an orange/red smart/learn button. The 66LMC will work with all openers manufactured since 1990 that have a yellow, white, gray, or green smart/learn button. It will not work with Security+® openers. To program the keyless entry, first locate the smart/learn button. On our chain drive models, this button is on the end farthest from the door. On our belt and screw drive models, it is on the right side as you face the door from the opener. You simply press and release the smart/learn button. You now have 30 seconds to enter your four digit PIN number into the keypad and hold the enter button for five seconds. Wait one minute and test the keyless entry by entering your four-digit PIN number and pressing enter. With some Security+® models, you can also program your Model 976LMC Wireless Keyless Entry without climbing a ladder, right from
