'Car Wash Mode' will be useful for people who do hand car washes too. I often forget to disable the front wind screen wiper and see all my detergent get washed away as soon as I spray it on the car!
I've also heard from other people that the charging port often opens up, so disabling that in Car Wash Mode should also be useful. I don't usually wash my current car by hand (I have others do it), but I will be washing my new Model 3 by myself.
Disney+ is great, though I find I almost never watch Netflix on the car, I just don't have enough time to do it when I'm at public chargers, it charges so fast.
I think I'll get the most out of the hotspot Wi-Fi when my premium connectivity runs out on the new car (currently get premium connectivity for free as my current car is a lease).