To si asi hladal zle. Robi to kazdy lepsi vyrobca autoriadii.
http://www.pioneerelectronics.com/PUSA/Car/Accesso ries/Remote-Controls/CD-SR100
http://www.kenwood-electronics.co.uk/car/accessori es/swrc/
alebo nieco univerzalne.
http://www.ebay.com/bhp/steering-wheel-control