I have recommended the honda civic hybrid to a friend who is a salesman. He came back to me the next day and clearly stated the batteries fail at 80000 miles and cost 4k to replace . He says he puts on 80k per year and cant afford the , according to his research, assured battery failure I like to some how find out just how many batteries are failing and what is it costing to replace. The only sign of my 04 manual failing , and i dont think it is a failure but a software control clamp of battery cycling depths during hot wather. . What is the battery reality