Good Post FAU,
And here is a good response, "Call the company a have them answer them to your comfort level." They are very open. The gentleman who could answer those questions for you is there everyday. His business card was posted by Moose a couple of days ago. Allow yourself to do a little DD on your own.
I can't answer any of your concerns as my knowledge of vehicles is extremely limited. When my trucks break down it is a breakdown. When I kick them, and they still don't work, it is a major breakdown!
Act in Spite of Fear and Uncertainty
Blockman