Changed battery, now alarm goes off and keeps car
well first off when you change a battery you should use a memory saver so that things will not reset or clear themselves, BUT NOW ON TO THE GOOD NEWS, TO RESET THE ALARM, IF IT IS AN AFTER MARKET OR EVEN INSTALLED AT THE FACTORY ALARM, JUST LOOK UNDER THE DASH ON THE DRIVERSIDE, YOU SHOULD SEE A SMALL BUTTON PLACED IN AN OUT OF THE WAY SPOT, THAT IS THE VALET SWITCH, WITH THE ALARM GOING OFF, PRESS THE BUTTON AND HOLD IT IN, THEN TURN THE KEY, THAT SHOULD RESET THE ALARM BACK SO YOU CAN START IT BEING MOST ALARMS HAVE STARTER DISABLERS, AFTER YOU START IT UP SHUT IT OFF, IF YOU SEE THE LIGHT BLINKING FOR THE ALARM, YOU WILL NEED TO PRESS THE VALET SWITCH AGAIN IT SHOULD SHUT THE LIGHT OFF, IF IT STILL WILL NOT START, THEN YOUR ONLY OPTION IS TO TRACE THE STARTER LINES TILL YOU FIND WHERE THEY SPLICED INTO IT FOR THE ALARM AND DISCONECT IT THERE, THEN INSTALL A NEW STARTER, BUT THAT IS ALWAYS THE LAST RESORT. HOPE THIS HELPS....