except seals,nothing else,i can not find anything,even a hole!  superb 2018

Front or back door, or both? 

Have you had it since new or bought it second hand?  If second hand smash repairer could have blocked it off when repairing/painting door. But yeah as per post above this wouldn’t be likely on all four doors?

BTW my sill rubbers have drain holes

in them. 

Guess they found ‘em…