I replace the battery the key box, and It still doesn't work. Its a factory alarm in my car. Can I get a replacement for this, Due to the year of the car. 1996 Toyota Avalon.

  • Welcome to Motor Vehicle Maintenance & Repair! Do you have a second key fob? If so, does it work? – Pᴀᴜʟsᴛᴇʀ2 Dec 22 '17 at 13:04
  • No. I just purchase the car last month @ an Action. I only had the one key to start the car and the alarm box. – Tamara Wilder Dec 22 '17 at 13:06
  • Did the current key fob ever work for you? – Pᴀᴜʟsᴛᴇʀ2 Dec 22 '17 at 13:26
  • I have no clue what you're talking about. I only had the one key to start the car and the alarm box. (the remote for the alarm and it doesn't work ..with a new battery) – Tamara Wilder Dec 23 '17 at 0:48
  • I know what you're talking about. I never had a key fob. – Tamara Wilder Dec 23 '17 at 2:00

The key fob probably needs to be programmed to the car again. The below procedure should work for 2003-2008 Avalons.

Procedure To Program Toyota Wireless Remote Transmitters:

Begin with: The driver's door open and unlocked. Key out of the ignition.

  1. Insert and remove the key from the ignition switch 2 times within 5 seconds.

NOTE: Steps 2 and 3 should be performed within 40 seconds.

  1. Close and open driver's door TWICE.
  2. Insert the key in the ignition and remove it.

NOTE: Steps 4 - 6 should be performed within 40 seconds.

  1. Close and open the driver's door twice.
  2. Insert the key in the ignition.
  3. Close the door.
  4. Turn the ignition switch from "Lock" to "On" and back to "Lock" 1 time.

  5. Remove the key from the ignition.

  6. To confirm you are in program mode, the power locks will now cycle "lock" to "unlock" 1 time.

NOTE: If Confirmation or Prohibition modes have been selected, opening the door will complete the procedure.

  1. To Add a remote, do the following within 40 seconds

Procedure Lock confirmation:

A. Press both car transmitter Lock and Unlock buttons simultaneously between 1 and 1.5 seconds and release.

B. Within 3 seconds of step A, press the transmitter Lock button for more than 1 second and release.

If the keyless entry remote transmitter has been successfully programmed, the power locks will cycle "lock" to "unlock" once at this time.

If there are problems with the remote transmitter or the procedure up to this point, the locks will cycle twice. If this occurs, verify that you have received the correct transmitter, and then repeat the above procedure.

C. If multiple remotes are to be reprogrammed, repeat steps A and B.

  1. Open the driver's door to conclude programming mode.

Source - How to program Toyota Keyless Remote Keyfob

Note: Some steps were removed to make these instructions specific to what you are trying to do. More detailed programming instructions are at the link.

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