Thanks for the helpful replies, good people. I'll see if I'm able to work through this mess this weekend!

I've had this problem of water running down the A and B pillars into the front of the passenger compartment floor but despite sifting through a myriad of online videos and forums, my 2001 V-70 seems to have a subtly different combination of access to the areas I need to get at. My sunroof stopped wo...