About 11/2yr ago my remote stopped working properly it would only work sometimes, so I replaced the battery. After replacing the battery it has not worked since. And now all of a sudden when I attempted to enter my car an alarm goes off and will not turn off with the remote or when key is used in the drivers door or the ignition, car would start alarm and light would still flash. Now I have figure out how to turn it off when it decides to come on, sometimes all I have to do is just stick my key in the passenger door lock without turning it or anything and the alarm will turn off and sometimes I have to turn it to deactivate the alarm. It will not turn the alarm off from the drivers door,but if the alarm is not activated and I try to unlock the car from the drivers side it will (most of the time) activate the alarm, and it will not unlock passengers door even when it does not activate the alarm. If I unlock the doors from the passenger side and the alsrm was not on it will not unlock the drivers door.. I reset remote according to the manual and it still does respond although I went through the programing reset, Can anyone tell me what causes this. OH also I had just programed an extra key that works fine. ( I posted this last Oct. but got no response)