When you look at the fuse block under the left side of the dash you will see a big flasher. This is the flasher for the turn signals. The hazard flasher is on the back side of the fuse box...
The most likely cause of your leak is the heater core inside of the car's heater case. The leak will come out of the A/C's drain. If you are going to bypass the heater core then I would recommend connecting...