How to Change the Combination on a Cipher Lock

Written by marlon trotsky
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How to Change the Combination on a Cipher Lock
A Cipher Lock is accessed via a keypad. (Nick M Do/Photodisc/Getty Images)

Unlike other security devices found on both building and car doors, Cipher Locks are engaged and disengaged with a programmable keypad. Instead of changing your locks, you can simply enter in a new combination. On certain models you may have to disengage the passage feature before attempting to enter in a new combination. When you do this, the outside doorknob must be in the vertical position. The process to enter a new combination is essentially the same for both door and car locks.

Skill level:
Easy

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Things you need

  • spanner wrench

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Instructions

  1. 1

    Insert the control key into the combination plug assembly. Turn the key clockwise to unscrew the cylinder. You will then be able to remove the assembly completely, giving you access to the combination change sleeve below.

  2. 2

    Turn the outside doorknob counterclockwise as far as it will go, then release it, and type in the old combination.

  3. 3

    Insert a spanner wrench into the combination change sleeve in the horizontal position. Turn the wrench clockwise until it stops at the vertical position to engage the change sleeve.

  4. 4

    Turn the wrench counterclockwise back to the vertical position, then remove it. Turn the doorknob counterclockwise until it stops, then release it.

  5. 5

    Enter the new combination, which must be three to five numbers.

  6. 6

    Turn the doorknob clockwise until it stops, then release it. Do this two times. The second time you turn it, you should notice that the latch doesn't retract, indicating you successfully changed the combination. Reverse the previous steps to replace the assembly.

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