Subaru Forester: Immobilizer / Key replacement

Your key number plate will be required if you ever need a replacement key made. Any new key must be registered for use with your vehicle’s immobilizer system before it can be used. The maximum number of keys that can be registered for use with one vehicle is as follows.

  • Four (models without “keyless access with push-button start system”)
  • Seven (models with “keyless access with push-button start system”)

One key that has already been registered is required in order to register a new key.

NOTE

If you lose a key, the lost key’s ID code still remains in the memory of the vehicle’s immobilizer system. For security reasons, the lost key’s ID code should be erased from the memory. To erase the lost key’s ID code, all keys that will be used are required.

For details about new key registration and erasing the lost key’s ID code, contact your SUBARU dealer.

    Immobilizer

    T..

    Certification for immobilizer system

    For models with “keyless access with push-button start system”:Refer to “Certification for keyless access with push-button start system”...

    Other information:

    Subaru Forester 2019-2025 Owners Manual: Engine exhaust gas (carbon monoxide)


    WARNING Never inhale engine exhaust gas. Engine exhaust gas contains carbon monoxide, a colorless and odorless gas which is dangerous, or even lethal, if inhaled. Always properly maintain the engine exhaust system to prevent engine exhaust gas from entering the vehicle...

    Subaru Forester 2019-2025 Owners Manual: Replacing transmitter battery


    Battery: Button battery CR1620 or equivalent Wrap a flat-head screwdriver with vinyl tape or a cloth. Open the key head using a flat-head screwdriver. Remove the transmitter case from the key head. Open the transmitter case by releasing the hooks...

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