When it comes to problems that can potentially end up occurring as far as your car is concerned, the list is endless. Some problems would have a lot to do with the kind of engine you are using, others are going to have to do with the physical chassis of the vehicle and how this involves a wide variety of problems that can occur that would lead to strange sounds being emitted from your vehicle, and a lot of problems would be concerned with the battery that you use to power your car.
If you find that you are turning the key in the ignition yet the car is simply not turning on, this means that the battery is dead. Since this is the kind of thing that can lead to a lot of problems for you to deal with, it is important that you try and figure out a way to avoid things like this happening in the first place, and by far the best way for you to do so would be to look into maintaining your battery and figuring out what might end up draining it.
One thing that could really harm your battery is if you leave your headlights on. Headlights use up quite a bit of battery, and if they are left on all night this could lead to your battery being drained and no longer being viable for you to use all in all. The good thing about these batteries is that you can recharge them, but taking care in the first place is better because you would prevent it from happening. If you want a source themechanicdoctor.com can help you out quite a bit in this regard.