July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Note On Intermittents
WARNING: This page is about a different car, the 1990 Cadillac Seville and 1990 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
Drive vehicle and observe park/neutral parameter display. Stop vehicle and wiggle shifter. If display changes, check for defective switch or intermittent short to ground.