You certainly can (in most cases). But the examples I spoke of are what I would consider extreme neglect (even though every one pretty much treats their vehicle

You certainly can (in most cases). But the examples I spoke of are what I would consider extreme neglect (even though every one pretty much treats their vehicle that way). Is your life that busy that you can't even find time once every three years to change the fluids yourself (or pay a shop to do it)?