The ultimate in steering wheel integration, Maestro SW is compatible with over 1700 vehicle models with analog steering wheel inputs from 1998 to date and with most aftermarket radios. Maestro SW lets you retain original steering wheel functions AND assign a secondary press & hold feature to the buttons of your choice! Best of all, SW is also the ONLY interface that lets you instantly create firmware for vehicles that are not included in the coverage list using a simple step-by-step web procedure.