Thank you for asking about your Toyota Highlander. Based on your description, The best place to start would be to flush your transmission, change the fluid along with the filter and then double check to make sure the fluid level is correct. Having dirty/old transmission fluid or the fluid ...
Highlander miles Going down a hill with my family the suv was traveling at a speed of 65mph when suddenly another vehicle jump into my lane so i tried to brake with a fast push on the brake pedal but not too hard so i would stop the suv completely for the cars that were traveling ...