- 1). Examine your vehicle manufacturer's instructions for the color of wire that you will be looking for on the radio wiring harness. Remove any parts of the dashboard that you need to and take out the radio from the dashboard housing.
- 2). Locate the radio harness. Follow manufacturer's instructions to connect the correct wires from the adapter to the corresponding wire on the radio wiring harness. This will differ model by model.
- 3). Plug the connector from the adapter wiring into the port on the back of the radio, labeled "Steering wheel control."
- 4). Leave the radio outside the dashboard. Turn on the ignition. An LED on the adapter should flash rapidly. Press the volume up button on the steering wheel until it stops flashing for two seconds. This will be followed by a series of flashes, culminating in the LED flashing nine times. The LED will then constantly be lit. Test the buttons with the radio.
- 5). Reinsert the radio into the dashboard housing. Reassemble the dashboard. Enjoy the added safety benefits of the steering wheel controls.
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