How to Reprogram Remote Access Keys for Subaru Impreza Cars

By Billy Kirk

  • Overview

    Programming or reprogramming a new or additional keypad to a Subaru Impreza is a tedious and multi-step process, but one that is quite easy as long as you know what is required and have patience. With the ability to accept up to four keypads with four transmitter codes, you may find yourself performing these steps more than once.
    • Step 1

      Locate the transmitter code for the system. This is an identification number that can be found on a label on the original bag that housed the transmitter itself. If the bag cannot be found or has been discarded, open the remote and locate the circuit board. The number can be found there. It is eight digits in length.
    • Step 2

      Take a seat inside your Subaru to reprogram the keypad.


    • Step 3

      Open the driver side door once. Within 45 seconds of doing so, rapidly turn the ignition key into the "on" position from the locked position. You will need to perform this movement 10 times across a 15 second time span. If you perform this step correctly, a tone will sound, a light will turn on inside your Subaru and a buzzer will constantly sound and flash. When this flashing ends as well as the sound, the transmitter codes have finished registering. Skip to Step 5.
    • Step 4

      Repeat the above set of Steps again if the sounds and flashing do not occur. This means you made an error and the transmitter codes were not registered.
    • Step 5

      Check the first digit of the transmitter code. Press the power door lock button the same amount of times as this number. You must perform this step before the tone stops from Step 3; in other words, before the transmitter code is completely registered.
    • Step 6

      Push the unlock button once, and within five seconds of your last push of the door lock button.
    • Step 7

      Repeat the two above Steps for each digit in the transmitter code. In other words, hit the power door lock button the number of times as the digit of the second number in the transmitter code, and then hit the unlock button again. Repeat this for each digit in the transmitter code, for a total of eight different series of lock and unlock button presses.
    • Step 8

      Repeat Step 5 one more time. After going through each of the digits in the transmitter code, hit the lock button the number of times represented by the first digit of the code one more time, and within five seconds press the unlock button once more. If all this is performed correctly, a sound will buzz for a total of about 30 seconds.
    • Step 9

      Use the lock knob to enter the new code transmitter number of your choice. Perform this before the 30 second buzz finishes. Your keypad will be programmed to your Subaru.
    • Skill: Easy
    • Ingredients:
    • Keypad
    • Transmitter code
    • Lock knob

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