July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
General Procedure
WARNING: This page is about a different car, the 2014 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the flexplate for:
any cracks.
worn ring gear teeth.
chipped or cracked ring gear teeth.
Fig 1: Identifying Flexplate, Cracks And Worn Ring Gear Teeth