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Try to store it in a dry place. I let a Camaro sit outside for six months one time and the rotors were rusted so bad the car wouldn't move. I had to replace all the brakes.
I used to store my 84 Trans-Am for winter back in the day when I had two cars. It was outside so I had to make sure it was really ready.
Here's what happened to my car (Maybe this will help);
1) I raised my car up on blocks to keep the tires from going flat on one side. This worked perfect.
2) I sprayed a thin layer of oil on my rotors and rotated the wheels around to make sure every inch was coated. In the spring I sprayed break cleaner on them and used soap/water to clean the entire car as well as the rotors. This worked. There was still a little oil to clean up after washing the car, so I sprayed brake cleaner on the rotors again and kept spinning the wheels before letting it down. No stuck brakes and whatever was left cleaned off quickly.
3) I covered the car with a good car cover.
The only problem I had was the power steering box leaked because the front end wasn't moving....if you can go out and rotate the steering every month that may help. You would have to leave space beside the front wheel to allow it to move.
Hope this helps.
Ken
PS, The best option was what LudemJo said...just start it up every month and drive it around the block if you can.
Inside storage where the car is protected from the elements is desired by many guys. Then, it would be secured and also away from most critters who would use your ride as their new home.
Either way, I've read that leaving fresh mothballs in the cabin and under hood wil discourage mice along with other small animals. The last thing you need is to clean out any nests or repair wiring harnesses or hoses that have been chewed through.