My security alarm went off at work for no reason,remvd horn fuse,then discon bat on 2002 Saab 9-3

The next morn the emerg flashers were going,no horn due to removed fuse, ended up having to disconnect battery cable to stop it. So obviously it is not driveable cant reconn battery or continues to go off . Please help.....

Asked by for the 2002 Saab 9-3
Did you try to lock and unlock the drivers door to reset the alarm? It will probably need to be scanned to find the cause of the alarm.
No havent tried the door but i will. Im assuming manually do this or with the keyless entry? Thanks for the help
Manually use the key.
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