Stalk Interface (needs H/U fly lead) Description New and Updated Universal steering wheel control interface for CAN-Bus & resistive vehicles. Compatible with a wide range of vehicles. Simply connect the relevant CAN-Bus or resistive wires and set the dip-switches according to the vehicle to be installed in. Aftermarket head unit connection lead is sold separately. Now supports phone buttons for selected vehicles Features & Benefits Allows you to upgrade to an aftermarket head unit whilst maintaining use of your factory steering wheel controls Safety: Allows you to keep your hands on the steering wheel and eyes on the road. Maintains the original features of the vehicle such as date, time and temperature display Choose the relevant head unit connection lead according to the make of aftermarket head unit you wish to fit One interface, compatible with hundereds of vehicle applications