The best way to input aux audio from your mp3 iPod into your Lexus radio will be using an Auxiliary audio input interface These aux adaptors are designed to convert the Cd changer port of the Lexus factory radio or satellite port into auxiliary audio input. Devices such as iPod iPhone satellite radios Dvd, Mp3, canbe added to the Oem Lexus radios without the need of Fm modulation. here you can find Lexus head units factory amplifiers CD changers CD magazines speakers iPod iPhone interface Bluetooth kits ad many more original and aftermarquet accesories. If you need help finding the correct part for your Lexus vehicleE-mailus or 888-231-0395