open gas tank TOYOTA TUNDRA 2015 2.G Owners Manual

1954-4. Refueling
4
Driving
Opening the fuel tank cap
●Close all the doors and windows, and turn the engine switch to the
“LOCK” position.
● Confirm the type of fuel.
■Fuel types
Gasoline vehicles
Unleaded gasoline (Octane rating 87 [Research Octane Number 91] or
higher)
Flex-fuel vehicles
Unleaded gasoline (Octane rating 87 [Research Octane Number 91] or
higher), E85 or a blend of these two fuels. ( P. 520)
■ Identifying flex-fuel vehicles
■ 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.
http://www.afdc.energy.gov/afdc/locator/stations/
Perform the following steps to open the fuel tank cap:
Before refueling the vehicle
Flex-fuel vehicles can be identified by the
fuel tank cap, which is marked “FLEX-
FUEL E85/GASOLINE”.

1974-4. Refueling
4
Driving
Open the fuel filler door.
Turn the fuel tank cap slowly
open, and hang the fuel tank
cap on the back of the fuel filler
door.
NOTICE
■ 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.
Failure a gasoline-engine vehicle with E85 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
2

5209-1. Specifications
Fuel information
■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.
■ Fuel quality
In very few cases, driveability problems may be caused by the brand of fuel
you are using. If driveability problems persist, try changing the brand of fuel. If
this does not correct the problem, consult your Toyota dealer.
Gasoline engine
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher.
Use of unleaded gasoline with an octane rating lower than 87
may result in engine knocking. Persistent knocking can lead to
engine damage.
At minimum, the gasoline you use s hould meet the specifications of
ASTM D4814 in the U.S.A..
Flex-fuel engine
You must only use unleaded gasoline in your vehicle, E85, or a
blend of the two fuels.
Unleaded gasoline (Octane rating 87 [Research Octane Number
91] or higher), E85, or a blend of these two fuels is required for
optimum engine performance.
The use of unleaded gasoline with an octane rating lower than
87 may result in engine knocki ng. Persistent knocking can lead
to engine damage.
The use of fuel with an ethanol concentration in excess of 85%
will have a negative impact on driving performance and can
cause damage to the fuel system components.
At minimum, the gasoline you use s hould meet the specifications of
ASTM D4814 in the U.S.A..
At minimum, the E85 you use s hould meet the specifications of
ASTM D5798 in the U.S.A..