How to Change the Code on a Chamberlain Garage Door Opener

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Regularly change your Chamberlain garage door code.
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Chamberlain is home security company owned by Duchossois Industries, an American-owned consumer product company based in Elmhurst, Illinois. Chamberlain makes many garage door opener mechanisms used to open your garage door automatically from inside your car or via a keypad. It is good practice to change your garage door opener code periodically to ensure only authorized people have access to your home. Allow approximately five minutes for this task.


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Step 1

Flip open the cover of the keypad and enter your four-digit garage door code.

Step 2

Immediately press and hold the "#" button. The opener light will blink twice. Release the "#" button.

Step 3

Carefully enter your new four-digit code. Press "Enter." The lights on the motor unit will flash to confirm the new code.