i have a 95 saturn,and just recently started to have a problem when
> it rains.the area underneath the passenger seat(and in front and
> behind of passenger seat) becomes sopping wet with water.I pulled
> up the carpet,as it was soaking and emitting a horrible mildew odor.
> Only leaks when its not being driven (i think).If not parked absolutely
> flat, water pools in lowest area,front or back.
> This car doesn't leak from the roof,i checked that.
>
> What could be causing this exactly.
Usually window seals. Also check that the drain holes in the doors are functioning.