My car (a Toyota Celica) only beeps when I've pressed the lock button more than once. I presume the beep is there in case you can't see the car, and you want t

My car (a Toyota Celica) only beeps when I've pressed the lock button more than once. I presume the beep is there in case you can't see the car, and you want to verify it's locked. It doesn't make a sound, when I use the key in the door lock.