Keeping a car in storage for a long time is safe –as long as you know what you are doing. Otherwise, you might come back and find a car with rusty parts, damaged battery, and fried electronics, among other problems. Here are some specific tips to help you store your car safely:
Car batteries stored for long periods sometimes go bad due to poor storage conditions. In some cases, batteries lose their charge-storing capacity due to a chemical determination of their internal cells.