Worth a try: disconnect the battery and completely charge it. Reconnect the
battery - the alarm will go off but you should be able to turn it off with
the unlock button. Trying to charge the battery with the alarm connected may
bring the alarm system up through voltage inputs that it isn't ready to deal
My 94 Legend had alarm issues. After parking the car the alarm would
sometimes randomly go off while parked in the garage. According to my
mechanic the actuators in the doors caused the problem. Apparently it is
fairly easy to deactivate them, I think it can even be done with duct tape,
but I never bothered since it only happened on occasion.
Hope this helps.
Acura offered a factory alarm (security system) in 1988. My 89 legends both
have it (it wasn't an option on L and LS) No keyless entry until 1991, I
believe. Unlocking a door with a key disables the alarm.
There is a switch on the cylinder - true on every power door lock I know of.
My '84 Nissan 300ZX with factory alarm would alarm if the driver's door (or
any door) was opened without the driver's door being unlocked with the key.
Unlocking it from inside would not disable the alarm.
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