1999 Lx470 bought from dealer certified. From the beginiing bottom rattles and sounds occur that have required multiple trips to dealer to fix. Thank god they pick up the car and delivier it. The heat shields are constantly rattling/rusting and being replaced. Three times I limped it in to dealer and found out throttle chip sensor and accelerator peddle sensor was burnt' each time. Dealer suprised as Lexus never have these problems. Mine did. It is now making a noise when backing up that service techician not right, must fix before major problem occurs. Now I want to trade it in and the same dealership will only give minimal price for it. Drives nice, but wow, for the money should have minimal problems..........mine is a lemon.............beware, Lexus present an image of superiority, but quality of mine is lacking..........