Referinte: https://www.thesamba.com/vw/archives/manuals/sapphirexiv_owners.php (a mers accesat cu VPN din Franta) https://antiqueradios.com/forums/viewtopic.php?t=306561 http://antique-autoradio-madness.org/1autos/vw/vw-usa/vw-usa_06.htm