For me it would be the sun visors. I miss the dual visor w/ sliding main visor. The gated shifter. Oh and fold flat rear seats w/ pizza box compartment. IYKYK
The issue with undercoatings vs waxes is if salt water gets under the coating it will eat steel twice as fast. This is because it does not dry out nor rinse off as efficiently . Waxes will have to be reapplied often like every other year-ish.
Keep in mind automatic car washes will knock these of too. I would do welding repair for local car wash. They had a bucket full of the older style reciever plugs.
It's what your dealer will tell you, rail dust. Iron deposits from being transported by rail to the dealership are quite common. Clay bars and or light polish will remove it.
You sound surprised that it's by subscription. When all of your vehicle services including remote start are by subscription which could just be a button on the key fob. Toyota is trying hard to strip every dollar from your hands.
Trying to sue Toyota would be a waste of time and money. You're better off trading it in for what you want. Unless that window sticker says it's included and it is not installed, your case won't even get to a judge. In the fine print of website and brochures clerical errors are covered by a...
Never lead them with what you think is wrong. Make them work at it. They will just do the PDI reset and give it back to you. Without giving it a proper diagnoses in many cases.
Finally brought "Hunter" home (still looking for better name). Our family is growing once again. Meet FurRunner, MTD Dew and now our Trailhunter. Yes I may have an addiction but its not drugs or alcohol. Wife says it's a sickness. I guess it's contagious because she wanted the TrailHunter!