Ok, My alarm started squealing while i was driving the other day . I pulled over ,turned the motor off , hit the lock and unlock buttons and restarted the motor . All good again .

I got home and hit the lock button , then to see if it was working i reached in (top was down) and opened the door . The lights started flashing but no siren sound

Today i parked outside a store locked the doors with the remote , a minute later i hear my alarm squealing andl ights flashing. I disarmed unlocked the car from inside the store.

Drove home ,locked the doors . 10 minutes later i see the lights were flashing ,again no siren.
what has happened , do i need a new siren now or can i pull a fuse ? i dont really need an alarm anyway
Thanks guys