Page 256 of 716
256
HIGHLANDER_HV_U (OM48F12U)
4-4. Refueling
●Turn the power switch off and ensure that all the doors and win-
dows are closed.
● Confirm the type of fuel.
■Fuel types
→P. 650
■ 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.
Opening the fuel tank cap
The fuel tank of your vehicle has a special structure, which
requires a reduction in fuel tank pressure before refueling. After
the opener switch has been pressed, it will take several seconds
until the vehicle is ready for refueling.
Before refueling the vehicle
Page 496 of 716

4967-1. Maintenance and care
HIGHLANDER_HV_U (OM48F12U)
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discolor the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasoline,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco- hol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended periods of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if water comes
into contact with electrical components such as the audio system above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not touch the lens.
(→P. 282)
■ Cleaning the inside of the rear window and the rear quarter windows
● Do not use glass cleaner to clean the rear window and the rear quarter
windows, as this may cause damage to the rear window defogger heater
wires or antenna. Use a cloth dampened with lukewarm water to gently
wipe the window clean. Wipe the window in strokes running parallel to the
heater wires or antenna.
● Be careful not to scratch or damage the heater wires or antenna.
Page 640 of 716
6409-1. Specifications
HIGHLANDER_HV_U (OM48F12U)■
Engine number
The engine number is stampe
d on the engine block as shown.
Engine
Model2GR-FXS
Type 6-cylinder V type, 4-cycle, gasoline
Bore and stroke 3.70 × 3.27 in. (94.0 × 83.0 mm)
Displacement 210.9 cu. in. (3456 cm3)
Valve clearance
Automatic adjustment
Drive belt tension
Page 641 of 716
6419-1. Specifications
9
Vehicle specifications
HIGHLANDER_HV_U (OM48F12U)
Fuel
Fuel typeUnleaded gasoline only
Octane rating87 (Research Octane Number 91) or higher
Fuel tank capacity
(Reference)17.1 gal. (65.0 L, 14.2 Imp. gal.)
Front electric motor (traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output123 kW
Maximum torque247 ft•lbf (335 N•m, 34.2 kgf•m)
Rear electric motor (traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output50 kW
Maximum torque103 ft•lbf (139 N•m, 14.2 kgf•m)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vol t a ge9.6 V/module
Capacity6.5 Ah (3HR)
Quantity30 modules
Overall voltage288 V
Page 644 of 716
6449-1. Specifications
HIGHLANDER_HV_U (OM48F12U)
Cooling system
Capacity (reference)
Gasoline engine
Power control unit14.3 qt. (13.5 L, 11.9 Imp. qt.)
2.0 qt. (1.9 L, 1.7 Imp. qt.)
Coolant typeUse either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and
non-borate coolant with long-life hybrid
organic acid technology
Do not use plain water alone.
Ignition system
Spark plug
MakeDENSO FK20HBR8
Gap0.031 in. (0.8 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage at 68 °F
(20° C): 12.0 V or More
If the voltage is lower than the standard value,
charge the battery.
(Voltage is checked 20 minutes after the hybrid
system and all lights are turned off.)
Charging rates5 A max.
Page 652 of 716
6529-1. Specifications
HIGHLANDER_HV_U (OM48F12U)
NOTICE
■Notice on fuel quality
● Do not use improper fuels. If improper fuels are used, the engine will be
damaged.
● Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic
converters causing the emission control system to malfunction.
● Do not use gasohol other than the type previously stated.
Other gasohol may cause fuel system damage or vehicle performance
problems.
● Using unleaded gasoline with an octane number or rating lower than the
level previously stated will cause persistent heavy knocking.
At worst, this will lead to engine damage.
■ Fuel-related poor driveability
If poor driveability (poor hot starting, vaporization, engine knocking, etc.) is
encountered after using a different type of fuel, discontinue the use of that
type of fuel.
■ When refueling with gasohol
Take care not to spill gasohol. It can damage your vehicle’s paint.
Page 716 of 716
716
HIGHLANDER_HV_U (OM48F12U)
GAS STATION INFORMATION
Auxiliary catch leverFuel filler door
P. 506 P. 258
Hood lock release leverFuel filler
door openerTire inflation pressure
P. 506 P. 258 P. 646
Fuel tank capacity
(Reference) 17.1 gal. (65.0 L, 14.2 Imp. gal.)
Fuel type
Unleaded gasoline only P. 641
Cold tire inflation
pressure P. 6 4 6
Engine oil capacity
(Drain and refill —
reference) P. 642
Engine oil type
“Toyota Genuine Motor Oil” or equivalent
P. 642