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Your experience parallels mine. I think I got off on the wrong foot when I told her not to use the brake. I should have let her drive it as a regular car. I agree with you that our spouses need to be able to drive the car in case the owner experiences a medical problem.
I'm into my second month with my Model 3. Love the car, but the FM radio, as well as the HD signals, sound like AM radio. Wish I had my trade-in audio system from my 2017 Camry.