Article: When the stereo is fully in, you should hear it click into place. Fasten in any screws that are needed to hold the stereo in place, reconnect any wired components, and replace any knobs or drawers that were removed. Double check that all screws and trim pieces are securely in place. Turn the car power on again and play around with the stereo and its settings to be sure everything is in working order.
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Push the stereo into place. Reconnect the components. Snap all the pieces of trim back into place over the stereo. Try out the new stereo.