Swimming pools under rear seats

Have had this on a couple of cars and just had another one in with the same .I bet there are many others out there .......nice .....
Additional drain holes required in sills .
Clicky Piccy

[BIG_MVS]

Hmmm, is it coming through the glass then so it's not bonded properly or the seal around the door lock? Had a few like this also...

No ,its coming in through the push button .......No way of sealing it ...unless you don't want to get in ever again

[BIG_MVS]

Bladdy Ell Mario!

So what exactly failed. Is there a pushbutton seal that's gone or what ?