Renault kangoo van doors keep locking and unlocking when parked why?

Https://piknu.com/m/1796917295811159684_6777660332

Sounds like a dodgy central locking motor, I would first though
get some wd40 and spray all the locks and inside the mechanisims, they sometimes get stiff in cold weather and when they lock they dont go all the way to the lock position leaving them half way either way, hence the doors lock and unlock. It may be the motor itself but try this first as it will save you a few quid.

let me know if you need instructions on how to remove the central locking motors.

Regards
Dan