Place your Original Remote next to Copy Remote. Press and hold down the button on Original Remote that you wish to program onto the corresponding button on Copy Remote, and then press and hold down the corresponding button on Copy Remote. Hold both buttons down until you see LED on Copy Remote flashes quickly.

Subsequently, question is, how do you program a LiftMaster 971lm remote? Instructions are described below:

Press and release the learn button on the motor unit. Within 30 seconds, press and hold the button on the hand-held remote. Release the button when the motor unit light blinks. Now the opener will operate when that push button is pressed.

Also asked, how many remotes can be programmed to a LiftMaster garage door opener?

You can program 8 remotes plus 1 keypad. I know that it is very important to have the right information for this model. You can only program up to 5 units to an opener at one time. Since you have 1 Keyless entry and 4 remotes, you have reached that limit.

How do I reset my garage door opener?

CHAMBERLAIN / LIFTMASTER / SEARS CRAFTSMAN GARAGE DOOR OPENERS

Press and release the “smart” button on garage door opener motor unit. The smart indicator light will glow steadily for 30 seconds. Within 30 seconds, press and hold the button on the hand-held remote. Release the button when the motor unit light blinks.