2010 Toyota Highlander Owners Manual - Page 141

1-5. Refueling STEP 3 Hang the fuel tank cap on the back of the fuel filler door. Closing the fuel tank cap When replacing the fuel tank cap, turn it until a clicking sound is heard. After releasing your hand, the cap will turn slightly to the opposite direction. n Fuel types Use unleaded gasoline. (Octane rating 87 [Research Octane Number 91] or higher) n Fuel tank capacity Approximately 19.2 gal. (72.5 L, 15.9 Imp. gal.) 112