Crawl under it and check for Oil leaks.....Our rear main seal leaks ~ 1.5 qts/3000 miles with 81K on the odo. :'( and the auto climate control is great if you like hot air coming out of your dash whenever you dont have the ac on ...gonna be great in the winter...and go ahead and count on replacing the factory springs...and uh make sure you keep the sun roof weep holes debris free....and well give me another month in our LC and I'll see what else I can warn you about :-X