I went to a different dealership and decided my best option was to trade in the Le Eco Premium on a Camry LE. I was lucky to work with a young man I dubbed "The Corolla Whisperer". He was the one who correctly diagnosed the dash rattle and is able to distinguish 8 different Corolla dash rattles...
When I bought the car, the ride was smooth and comfortable. Around 3,500 miles, This past Tuesday, I noticed after driving the car about an hour and 15 minutes the car started to shake and ride extremely rough. On the drive home from work, it rode rough again towards the end of the drive...