Opel Astra indicator lights flashing when lockef?

Opel Astra 2014 - indicator lights flashing intermittently when the car is locked. Locks stay shut so not sure is it central locking or alarm problem. Any ideas what I should do please? I did change the battery recently and have checked the connections and they are all tight.
David S, December 2023


Ggch8, December 2023
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