Originally Posted by Jim H

I 'store' my vehicles by turning off the key.

I 'winterize' them by removing the key.

They have never failed to start in the spring.

I carry on with regularly scheduled maintenance when I put them back in service.

Each continues to run, or has been sold or was taken out of service by a crash with no engine damage resulting from this treatment.

If you can change the fluids before storage, fine. Othewise, don't sweat it!