bought a new car which had a water leak in 5mths

on the 26th of march 2015 i bought a new car from suzuki cmh umhlanga while on maternity leave it was parking in undercover parking when i went back to work on the 16th sep 2015 nightshift the car was parking in the parking by with no shelter when i got to my car around 6:00am on the 17th and drove off water was pouring from my paddles.when i took it to the dealer they said they have no car to lend us in the mean time while they find out whats the problem.so they asked me to use this defected car over the weekend and bring it back on monday which i didnot do because i have 3 small kids and its very dangerous because water got in the car.i they then told me that the windscreen rubbers were lose and thwyfixing it so i said i don't want that car because it's a factor fault they must replace my car they refused.i when to the bank they said they cant help me its between the dealer and me so i then terminated the deal 18th November2015. the bank sold the car now im left the the outstanding balance to pay.whould like to know if this is fair.i laid a complaint to ombudsman they said that its fair what the dealer done .need help