1. Make sure you have connected your radio antenna plug to the back of the radio first. There is a hole on the back of the unit labelled RADIO or ANT. If this is currently empty, plug the antenna plug from your car into this. If your vehicle does not have a standard radio antenna plug (looks like a long pin) - then we will have included a radio antenna adapter in the kit , to transform your factory radio antenna plug into a standard connection type to plug into the back of the radio. 

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