Method 1
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
With a person inside the vehicle, run water around windshield starting at the lower left or right side A-Pillar slowly moving up the A-pillar and watch for water to drip inside the vehicle from A-Pillar and/or Grab Handle. Next, move across the top of the windshield. If water is seen dripping from any area, stop running water and proceed with the applicable repair procedure below.