When you connect your car mount with the cigar jack, you can check the colour of LED.

If it's red you can download the attached file.

It's the driver and manual of the GREEN LED car mount.

Please download the attached file if you'd like to use B1 with the car mount.

After unzipping the file, you'll find 'how to install' as a pdf file.

It helps the installation.

By the way if the colour of LED is RED, pls visit as below link.

http://www.wibrain.com/support/download_view.php?no=53&cur_page=1