My keys have been locked in the car 4 times. I always put the keys in the little "drop-down" pocket, so there's no chance that i accidentally touched the key fob before getting out of the car.
I called out skoda assistance the last time (2 days ago). The technician picked the lock to gain entry. He had seen this fault 3 times before and flagged it with VW/Skoda. He found a fault code on my car that indicated a fault in the drivers door electronic lock. VW say a new driver's door lock is required.
TPI number is 2063493/6.
I'm hoping this will also fix "key not detected" problem.
Don't let anyone tell you there is no fault which is what I have been getting from my Skoda dealer.