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987.1 Cayman. Alarm issue/battery issue

Chriscc

New member
Joined
19 Mar 2025
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5
Hi people, my alarm seems to unlock/lock work etc fine. However, when i disarm the alarm and open the door etc but not drive off and leave the car unlocked once the door is closed after a minute i go to open any of the doors/boot etc and the alarm goes off. Like it arms itself without me arming it. Can anyone point me to where the fault could be? I'm guessing it could only be the alarm ECU or heard people mention about a tilt sensor - what is this and where are they both located? Thanks!
 
check that your battery is full charged and working well in the first instance
 

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