How To Is a brake fluid flush necessary in my 6-year-old vehicle? John Paul, AAA Northeast's Car Doctor, answers a question from a reader questioning whether his Toyota needs its brake fluid flushed.

Q. We have a 2019 Toyota Sienna with less than 50,000 miles, and have been advised to have the brake fluid flushed. Over the last 15 years we have owned six Toyotas and have never had the brake fluid ...