How to maintain a vehicle that is not used often?

HOW TO MAINTAIN A VEHICLE THAT IS NOT USED OFTEN?

Many times it is possible that you do not use your vehicle for quite a long time and when you finally decide to use it, the vehicle declares to be on strike. What can you do to avoid such scenarios? How can you keep your vehicles in tip-top positions while they rest in your garage? If you have left your vehicle with fuel in it, then the fuel is good to go for almost 6 months. But if the fuel is to stay idle for more than 30 days then it is advised to get a fuel stabiliser so that the fuel does not lose its volatility.