ok so i went out this mornin in the lovely sunshine
fookin cold though ...theres ice on me car

thought id pop a battery in me 3 door and s1 start them up cos they lyin up a while

looked at the rear windows and theres water drippin off them on the inside ...quite a bit too

any particular reason for this as they goin to be sittin up for the winter ...dont have a garage so need to know what best way to leave them over the winter

and suggesions please folks