Let’s start from step 1 and go from there. Make sure the battery is registered. (It may not be the issue) but got ahead and do it.::: Start from there. Start ruling out issues…. From cheap to expensive….
I would try changing out the cheaper parts first then to the most expensive. Affer working for a dealership for years, I learned most dealerships are part changers. They really don’t know what’s wrong with it or spend time to determine what’s wrong. They change parts in hoping it fixes the...
Before you go change out the starter. Have you looked into the push start button and the ignition wiring to it?
You said the car isn’t “cranking” at all right?
I wouldn’t let a Toyota dealership touch my car. I got a life time supply of GR oil and filters…. Super cheap if you order from Toyota online when they have their coupon codes with free shipping and no tax……