Install. Pull the front of the map light console down until the snaps detach then slide unit forward, down and out. Tap into the yellow wire of the map light connector and attach the ground lug to an available bolt. Route the wire with the phone plug through the front of the headliner. Helps to tape things up when your done. Also wrap the remaining cord bundle in foam to prevent rattles. There is a small "pocket" as shown for stuffing the bundle into.