Glad you made it out relatively unscathed! I too "upgraded" from an '07 to a Gen3 '13 and I'm glad I did. Almost everything is better especially the cruise control. Being techno-challenged I also had major trouble with the menu thing but after about a year of constantly F'ing with it I think...
This ->https://www.fjrowners.com/threads/how-to-get-the-fuel-pump-out-past-the-little-white-tab-the-trick-revealed.159493/ looks like an extremely useful thread when the time comes for pump removal.
I can only relate my experience with my '07 as I did earlier in this thread:
My '07 had the decel wobble from day 1 and zero miles. I had little to no relief with tire pressures, different tires, suspension settings, bearing repack & retorque, fork/front wheel torque sequence, fork service or...
Have you looked in your owner's manual? If you don't have one a pdf can be downloaded for free from here -> https://library.ymcapps.net/library/om/app/index.html?baseCode=6150&langId=02