The car alarm goes off when the car is parked, locked, and I'm minding my own business living my best life. It's gotten to the point where I know the alarm is sounding when nobody else can even hear it. I've replaced the key fob battery, disconnected the security system, everything I can think of. The only thing that works is to unscrew one of the leads to the battery, meaning I have to reattach it before I can drive each time. It's never gone off while I've been driving, but it's pulled me out of classes, meals, etc.