Great guide. I'll add some maintenance items to consider that I've been doing for over 40 years with great results--and my dad for over 60 years (he was a master maintenance machinist in a factory, boilerplant operator, etc.)
Drain and fill the brake master cylinder every summer. I do this by using a repurposed turkey baster.
I pop the cover off the braker master cylinder, use the turkey baster to suck out as much brake fluid as I can, and refill with fresh fluid. Reinstall the brake master cylinder cover.
Takes all of five minutes. Usually, I'll do this three times each summer, a week or more apart or when I remember.
Brake fluid is hydroscopic and absorbs water. Water causes rust. Rust particles wear seals out. Most brake fluids are clear. If your's has any coloration, it's due to rust particles. Drain and fill :-)
Doing this, I've never had to do a brake "flush" and never have had any issues with the brakes--up to 270,000 miles on various vehicles.
I do the same for the power steering reservoir, but use a different turkey baster.
Safety note: These two turkey basters are labeled, stay in the garage, and are never ever used for food service.
Hope this helps.
Chris__Colorado
PS A simple drain and fill every two years/30,000 miles on the transmission does wonders for longevity on every car I've owned (Diff fluids every 50K). Oil changes (fully synthetic) every 5K with a filter change (TRD oil filter on my 4runner limited) every other oil change (every 10K miles). Preventive maintenance can work wonders for equipment longevity. Always use the Toyota Special Operating Conditions or "severe" use (like towing) intervals and you'll be amazed
https://assets.sia.toyota.com/public...-224Runner.pdf
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