Close and open driver s door twice.
Programming a prius fob for door locking.
Learn how to program the door lock settings on your new toyota.
Do not depress brake pedal whilst carrying out the following operation.
Within 3 seconds the door locks should lock and then unlock once indicating successful programming.
Repeat button procedure to program remaining remote transmitter.
Press the lock and unlock buttons on the remote simultaneously for 1 5 seconds.
To program the new toyota key fob hold the unlock and lock button on the key fob for two seconds and then release.
If the backup remote is able to unlock the doors then you know that it is a problem with the key fob and not with your vehicle s locking system.
The door should lock and unlock.
System should now lock and unlock vehicle once to confirm registration twice to indicate registration has failed.
If you are programming multiple remotes repeat step 8 for each remote within 40 seconds of step 7.
Insert the remote transmitter into the ignition switch slot and close the driver s door.
Insert and remove the remote transmitter from the ignition switch slot.
This verifies that the new fob is working.
Now if successful car responds with locking unlocking once implying this new fob is now programmed paired with this car.
Note a maximum of 4 remote transmitters can be programmed.
Press both buttons on new the fob simultaneously and hold both down for a second and a half.
Learn how to program the door lock settings on your new toyota.
The prius should respond by locking unlocking the doors.
Immediately after letting go of the lock and unlock buttons press the lock button by itself and hold for 2 seconds.
Then press the lock button for up to three seconds and release.
Then say 1 second after the car stops locking unlocking due to step above press down both buttons of the old fob simultaneously then say after 1 second press the lock button of the new fob.