I had the same problem a few months ago. We changed the cabin filter and cleaned out all of the drains. This time it was both the driver and passenger sides full of water on the floor. No sunroof.
I have a 2007 Chevy Coblat LT and a few months a go I had a water leak on the passenger side. I followed the advice on here, changed the cabin filter and cleaned the drain for the heating system. That seemed to fix the problem.
All day yesterday we had heavy rain. When I got in my car this...