Hello all!

I just bought a 2010 Escalade (w/170K miles). It's a Florida truck. The first owner had it for six years and the lady I bought it from has had it for the past ten. It has been well maintained, but I'd love to hear opinions on it. What should I be aware of? Does anyone have a list of the "first x number of things I would do and/or check"? This is my first GMT900 and my first 6.2L, so I could use some guidance. What are the recommendations regarding AFM? Should I preemptively build the tranny/rear end/suspension/etc?

I'd love to hear all of the things that owners "would've done if they knew then what they know know".

Thanks in advance!