Toyota Avalon (XX50): Do-it-yourself maintenance

General maintenance

Do-it-yourself service precautions

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Toyota Avalon (XX50) 2019-2022 Owners Manual > Driving: Refueling
Opening the fuel tank cap Perform the following steps to open the fuel tank cap: Before refueling the vehicle Close all the doors and windows, and turn the engine switch off. Confirm the type of fuel. â– Fuel tank opening for unleaded gasoline To help prevent incorrect fueling, your vehicle has a fu ...