This video shows how to install MP3 CD Player (Pioneer DEH-3400) in Toyota Sienna. Metra 70-1761 Radio Wiring Harness fits for most Toyota Cars. There are standard procedures when you replace Standard CD Player with another one. There is also useful information here: http://www.4runnerforum.com/forum/showthread.php?t=2327 Also, if you got Error 23, when you plug in USB thumb drive it means, that your storage device is not FAT32 formatted. Conversion from NTFS to FAT32 will not solve the problem. You have to reformat your thumb drive to default FAT32 File System. Use any windows OS, right click on thumb drive letter, select Format, in next window select FAT32 (Default), select Quick formatting, click Format. Then simple copy your MP3 files to Thumb drive. It works. Remote control works with the same principle as for TV. If it does not, replace the battery CR2025. I installed CR2032. Same 3 volts. This is not a precision device, so it won't matter.