Aftermarket stereo has the features you have been expecting. Enjoy the navigation, link your phone, show off your higher quality sound. We also fear that the new head unit does not work with the factory controls, like steering wheel control. However, many aftermarket stereos are designed to work with steering wheel control now. Some stereos may need an adapter to work with steering wheel control.
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Here we show how to connect a steering wheel control with Pumpkin AA0495B car stereo on Nissan Sylphy 2013.
1.Connect the car stereo with the steering wheel (3 lines involved)
3 lines: Key 1, Key 2, GND
2. Setup the steering wheel buttons with different commands.