If your car reluctant to start the first few times you turn the ignition? While it could be the starter, the most common cause of this phenomenon is the battery. A good battery should hold enough charge to start the car on the first turn, at which point the alternator will kick in. But like all automotive components, batteries die and must be replaced. So, how do you know if your battery is going bad?The 4-Year MarkBefore we begin, it's important to note that most car batteries are design...