It was good that you didn't have it stored on the floor which should eliminate any mouse problems and related wiring and seat distruction. If you are going to drive it to LA , drain & replace the fuel, change the oil & filter, install a new battery, and change the coolant. Your tires should be good seeing they were not exposed to the elements and UV. After doing the basics start the engine and let it get thoroughly up to temperature. Check all the hoses, PS level, and take it for a drive so you can check all the transmission functions. When you get to your new location you can do a more indepth maintenance process.