I wasn't aware of the importance of the different specifications on DOT 4 brake fluids ,although you may have been. But just wanted to put this up as a reminder for those that may not be aware of the difference .
Time to check your tires to see if they have been recalled .
https://www.familyhandyman.com/article/toyo-tire-tread-recall/?link_source=ta_first_comment&taid=695a728a4f6a130001043914
I try and keep up with the different kinds , brands ect of oil that people use in their vehicles , so I read a lot , and I use this site about once a month to see what they come up with . They flag oils that are not what they say they are , and I have to admit I don't recognize a lot of them ...