IR LEARNING REMOTE VIRTUALLY LEARNS ALL AFTERMARKET RADIOS WIRELESS IR REMOTE SIGNALSCONVERTS THE SIGNALS GENERATED BY THE FACTORY REMOTE LOCATION CONTROLS INTO IR SIGNALSRETAINS THE STEERING WHEEL HEATER & AIR CONTROL BUTTONS ON ALL GM VEHICLESSIMPLE 3-WIRE HOOKUPSTEP-BY-STEP PROGRAMMING WITH LED CONFIRMATION NON-VOLATILE MEMORY WILL NOT LOSE PROGRAMMING ;EVEN WHEN POWER IS DISCONNECTEDUNIVERSAL STEERING WHEEL INTERFACEUPC : 606523105583Shipping Dimensions : 6.00in X 5.75in X 1.50inEstimated Shipping Weight : 0.35