Hello. New to this Forum. Question: I broke my back glass of my 2013 Mazda CX-9. I tried ordering a glass, but the ones I found have just one connector on top center and two at bottom on each side. But my CX-9 has two connectors on top that appear to be glued and two at the bottom, which my guess are for the rear glass heater. What are the two connector at the top for? Bluetooth an Radio are working fine. Can I glue them back in?