Remove perishable items from the refrigerator, clean it and prop the doors open
Clean the kitchen and bathroom
Clean the living areas
Place moth balls and other pest deterrents / traps
Check the engine oil level
Check the radiator coolant level
Check the windshield washer level
Check the tire pressure
Check the generator oil level
Drain the tanks
Turn off the inverter or generator
Turn off the refrigerator
Turn off the cabin batteries
Turn off the master switch