Toyota Tundra Owners Manual: Refueling

Opening the fuel tank cap

Perform the following steps to open the fuel tank cap:

Before refueling the vehicle

  • Turn the engine switch to the "LOCK" position and ensure that all the doors and windows are closed.
  • Confirm the type of fuel.

■E85 Fueling Stations (Flex-fuel vehicles) E85 fueling stations and fuel pumps can be identified by the indication "E85 85% Ethanol". For more information about fueling stations, please refer to the U.S. Department of Energy Web site.

■Refueling (Flex-fuel vehicles) Observe the following precautions when switching fuels, in order to maintain starting and driving performance.

  • Do not change fuels when the fuel level is 1/4 or less.
  • Always add at least 2.6 gal. (10 L) of fuel.
  • After filling up with fuel, warm up the engine or drive the vehicle for at least 5 minutes or 7 miles (11 km).
  • Do not accelerate rapidly immediately after refueling.

■Fuel tank opening for unleaded gasoline To help prevent incorrect fueling, your vehicle has a fuel tank opening that only accommodates the special nozzle on unleaded fuel pumps.


■When refueling the vehicle Observe the following precautions while refueling the vehicle. Failure to do so may result in death or serious injury.

  • After exiting the vehicle and before opening the fuel door, touch an unpainted metal surface to discharge any static electricity. It is important to discharge static electricity before refueling because sparks resulting from static electricity can cause fuel vapors to ignite while refueling.
  • Always hold the grips on the fuel tank cap and turn it slowly to remove it.

    A whooshing sound may be heard when the fuel tank cap is loosened.

    Wait until the sound cannot be heard before fully removing the cap. In hot weather, pressurized fuel may spray out the filler neck and cause injury.

  • Do not allow anyone that has not discharged static electricity from their body to come close to an open fuel tank.
  • Do not inhale vaporized fuel.

    Fuel contains substances that are harmful if inhaled.

  • Do not smoke while refueling the vehicle.

    Doing so may cause the fuel to ignite and cause a fire.

  • Do not return to the vehicle or touch any person or object that is statically charged.

    This may cause static electricity to build up, resulting in a possible ignition hazard.

■When refueling Observe the following precautions to prevent fuel overflowing from the fuel tank:

  • Securely insert the fuel nozzle into the fuel filler neck.
  • Stop filling the tank after the fuel nozzle automatically clicks off.
  • Do not top off the fuel tank.



■Refueling Do not spill fuel during refueling.

Doing so may damage the vehicle, such as causing the emission control system to operate abnormally or damaging fuel system components or the vehicle's painted surface.

■E85 fuel E85 fuel can be used only in flex-fuel vehicles. Do not add E85 fuel to a gasoline-engine vehicle.

Filling a gasoline-engine vehicle with E85 fuel will have a negative impact on starting and driving performance and will cause damage to the fuel system components.

Opening the fuel tank cap

1. Open the fuel filler door.

Opening the fuel tank cap

2. Turn the fuel tank cap slowly open, and hang the fuel tank cap on the back of the fuel filler door.

Opening the fuel tank cap

Closing the fuel tank cap

After refueling, turn the fuel tank cap until you hear a click. Once the cap is released, it will turn slightly in the opposite direction.

Opening the fuel tank cap

■Closing the fuel tank cap Tighten the fuel tank cap until 1 click is heard. Otherwise a malfunction indicator lamp may come on.


■When replacing the fuel tank cap Do not use anything but a genuine Toyota fuel tank cap designed for your vehicle. Doing so may cause a fire or other incident which may result in death or serious injury.

    Windshield wipers and washer

    Using the driving support systems

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    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

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