1.   Please set the dip switch on the correct position according to car type (see dip-switch table)

2.   Power off the car.

3.   Take out car audio mainframe.

4.    Connect CD player port with this product with special link cable

5.    P lug U disk or SD card with MP3/ WMA files in the right port and power on car, then press control-panel key

(CD.CDC.DISK.SOURCE  SEC.MODE etc.) into DISK CASSETTE mode（screen will display CDC, CDC-1, CD1,

CD2 etc）control it as the same as car audio usage (If you still have any questions ,please refer to car stereo manual )

6. Put this product in the proper place (such as gloves box) and reinstall audio mainframe when this product’s work normal.