when should I change the Transmission Fluid for my Toyota Corolla 2012
According to Toyota never. Good for life of car, But that being said, I changed mine at 60,000 miles in my Corolla. Really didn't need to. But whatever you do DO NOT FLUSH EVER
Search Toyota Corolla Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Toyota Corolla Experts