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You do not have to reset the computer. The ECU will take care of itself and there is nothing you have to do but drive the car.
simply take the battery cables off from the post and leave disconected for an hour or so and it will reset everything
how do you reset alarm after rplacing the battery on 1999 toyota solara
disconnect the battery to shut off/reset
disconnect battery
disconnect battery
Un-hook the barrery Un-hook the battery
unplug the battery, this will reset the car with the alarm disabled
disconnect and reconnect the battery
To reset an alarm for a 94 Corolla after changing the battery, place the key in the ignition and turn it slightly. Let it remain in that position for several minutes before starting the car.
if you have a factory alarm..you will need a power remote to reset the alarm. or you can reset the alarm be using the key in any of the door locks or in the rear hatch lock . just cycle the key to the unlock position to shut alarm off. to reset alarm to armed use the door lock power switch to lock the door then shut door and alarm will reset to on .
Try disconnecting and re-connecting the battery cable.