Just to let you know! If you document that you use the incorrect oil in the engine and cause premature issues Toyota will not repair or replace your engine or fail components meaning they will void your powertrain warranty. The reason why most manufacturers are going to thinner oil is because of clearance. For oil engine failure Toyota does an oil analysis before fixing. You do you not because it’s a Toyota it will last forever just by putting any oil inside of it, I’m pretty sure Toyota engineers did hours of research and development into that engine for that oil read your owners manual before putting 5w30 inside the engine. I change my oil every 5k miles I’m oil school and remember oil is cheap engine is not. Everyone driving habits is different you many can pay 20k for a new or rebuild engine 4-8 years from now but I know I can’t so I’m doing 5k miles oil change. These new engines are not like the old ones they will blow a hole in their block due to improper maintenance that was told to me by my local dealer and yes it does cost almost 20k the customer has to pay for that engine also a YouTube the car care nut also say the same thing about oil for Toyota new engine