Flashing lights when parked

[Shirley's toy]

When I park my 2018 model 3 long range . The lights flash about every 60 seconds. They flash in the exterior lights off position. All doors and windows are closed and locked. Flashes day and night. Can,t find the problem. Any ideas?

 

[user212_nr]

Is this a prank? Take your car for service.

 

[Ampre Sand]

Is Sentry Mode enabled? Might the flashing be the warning to perceived threats?