Its important to note that the automobile windshield chip repair exterior trim and moldings that we can see on the outside of the glass are for looks only. The actual water seal comes from the "urethane" adhesive which is used to create the bond. Its in this urethane that the water leak is originating.
If you have a leak it's very frustrating. But spending thousands of dollars on interior pieces or your electrical system will make you even more frustrated. You need to call your auto glass company and have it fixed immediately.
If you do decide that windshield repair is your best bet, you have a few choices. First of all, make sure you check to see if your insurance covers it. In a lot of instances it does. The problem is that many policies have a deductible that is higher than the cost of the replacement or repair job. If that is the case, you will have to pay for it yourself.
Next we have the windshield repair kits priced in the middle. They range in price from $600-$2,000. These are the companies that normally offer high-quality repair kits at a an affordable price. But not all of them.
Jolt your car or windows. Try to avoid slamming doors or shutting doors with the windows all the way up. Creating extra pressure inside the vehicle in this way can cause the crack to spread.
Windshield chips and cracks can usually be patched for under $90. You're going to pay hundreds to replace the whole thing. In this case, your best bet is to keep hunting for auto insurance quotes and pay the repairs out of pocket.