Can somebody tell me why my IS250 is getting water under the driver and passenger seat. Does it have to do with the AC component in the middle?

Thanks in advanced!

sounds like the heater coil ....

^^^ What the hell are you talking about ? Its heater core if that is what your saying. This needs to be posted in the Lexus IS section not the Florida section. If it is clear fluid it could be a clogged a/c drain underneath the car and it is not draining correctly. That or the case somehow cracked and it is leaking threw the crack in the case. If it is red it is coolant and your heater CORE might have cracked open. Have you had a windshield replaced by chance? If so if they didn't seal it correctly there could be your issue. There are also drain in your moon roof that could be clogged especially if you park under a tree. Check that and see what you come up with.