Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to replace vw bus windshields and seals [title] Buy replacement glass, either from a junk yard (there are a bunch out there) or an auto glass shop. [substeps] Most shops can get it for you new, though not all of the new glass fits as well as original windshields, and it tends to be much more expensive. [title] Buy new rubber.

Ending1: [step] Again, this will probably be harder to get from an automobile store, but such a dealer will know its quality and durability. [title] Check the flu vaccine and (if you have one) vaccinate your car. Ending2: [step] Rubber is a obsolete material due to the physical risk of sagging, rusting, and even breaking. This cost is very high; you also don't want to scrap the original windshields or leave one for another bus repair company to use. Ending3: [step] Rubber is more difficult to replace than brand new rubber, but it can be a good choice. It's not surprisingly more durable than older rubber if it's used much longer. Ending4: [step] If you are going to put the effort in, it's best to replace the seal as well. [substeps] The " classic cal " look (all black) is a good way to go.

Answer format: ending1/ending2/ending3/ending4