Here are four great tips on how to make your car interior last for years to come... 1) Fix bad weather-stripping immediately. If your weatherstripping is allowing rainwater to seep into your car's interior, take a look at it and decide if you can repair it or need to replace it. Small leaks can be controlled with brush-on seam sealers. Re-secure loose sections, not otherwise damaged, with trim adhesive. Torn sections can be repaired with special caulking, available at auto parts stores. You may be able to extend the life of worn sections by inserting foam rods, available at automotive stores, into the hollow section of automotive weatherstripping . If you decide to replace an entire section of the gasket, don't buy generic ones as you'll use them around the house. Buy a product that matches your car's original season -- available in a variety of profiles from dealerships and automotive mail-order catalogs. 2) Park in the shade. Of course, a garage is always the ideal pl...