Looking to purchase a 2012 4runner trail edition with 43,000 miles. Anything in particular I should look for in terms of problems? Saw the truck and its in good shape, drives well too. It seems to be loaded with a sunroof, crawl control, power pass seat, navigation, etc. Is there a way to tell if it has KDSS or not? Price is $28,000. Any input or advice is appreciated.