okay, it was raining this morning, not too bad, but good, and my fasten seatbelt light on the roof was leaking water, a decent amount. How do remove the plastic part, and any ideas on where the water could be coming from. I checked the sunroof, and it seemed pretty dry. Thanks

 

You need to check the sunroof drains. It will leak into the sunroof tub then drain from there. But if the drains are clogged it will overflow. The drains are on each corner of the sunroof tub.

In other words you have drains on each corner of the car.

What you need to do is dump some water on the outside edge of the hole with the sunroof open.Then watch for it to drain. You should be able to see the front drain holes.