gas type TOYOTA PRIUS PRIME 2020 Owners Manual (in English)

368
PRIUS PRIME_OM_OM47C77U_(U)
5-4. Refueling
Opening the fuel tank cap
●Turn the power switch off and ensure that all the doors and win -
dows are closed.
● Confirm the type of fuel.
■Fuel types
P. 727
■ 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.
The fuel tank of your vehicle h as a special structure, which
requires a reduction in fuel tank pressure before refueling. After
the opener switch has been pressed, it will take several second s
until the vehicle is r eady for refueling.
Before refueling the vehicle

PRIUS PRIME_OM_OM47C77U_(U)
5737-1. Maintenance and care
7
Maintenance and care
WARNING
■Water in the vehicle
● Do not splash or spill liquid in the vehicle, such as on the floor, in the
hybrid battery (traction battery) air intake vent, and in the l uggage com-
partment.
Doing so may cause the hybrid battery (traction battery), elect rical compo-
nents, etc. to malfunction or catch fire.
● Do not get any of the SRS components or wiring in the vehicle interior wet.
(P. 38)
An electrical malfunction may cause the airbags to deploy or not function
properly, resulting in death or serious injury.
● Vehicles with wireless charger:
Do not let the wireless charger ( P. 544) get wet. Failure to do so may
cause the charger to become hot and cause burns or could cause electric
shock resulting in death or serious injury.
■ Cleaning the interior (especially instrument panel)
Do not use polish wax or polish cleaner. The instrument panel m ay reflect
off the windshield, obstructing the driver’s view and leading to an accident,
resulting in death or serious injury.
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.

720
PRIUS PRIME_OM_OM47C77U_(U)
9-1. Specifications
■Engine number
The engine number is stamped
on the engine block as shown.
Engine
Model1.8 L 4-cylinder (2ZR-FXE)
Ty p e4-cylinder in line, 4-cycle, gasoline
Bore and stroke3.17  3.48 in. (80.5  88.3 mm)
Displacement109.7 cu.in. (1798 cm3)
Valve clearanceAutomatic adjustment
Fuel
Fuel typeUnleaded gasoline only
Octane Rating87 (Research Octane Number 91) or higher
Fuel tank capacity
(Reference)11.4 gal. (43 L, 9.5 Imp.gal.)

PRIUS PRIME_OM_OM47C77U_(U)
7239-1. Specifications
9
Vehicle specifications
How to read oil container label:
API registered mark is added to
some oil containers to help you
select the oil you should use.
*: The coolant capacity is a reference quantity.If replacement is necessary, contact your Toyota dealer.
Cooling system
Capacity*
Gasoline
engine6.3 qt. (6.0 L, 5.3 Imp.qt.)
Power
control unit1.6 qt. (1.5 L, 1.3 Imp.qt.)
Coolant type
Use 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 FC16HR-CY9
Gap0.035 in. (0.9 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.

PRIUS PRIME_OM_OM47C77U_(U)
7299-1. Specifications
9
Vehicle specifications
NOTICE
■Notice on fuel quality
● Do not use improper fuels. If improper fuels are used, the engi ne will be
damaged.
● Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way ca talytic
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 k nocking, 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.
■ Notice about fuel
 P. 104

792
PRIUS PRIME_OM_OM47C77U_(U)
GAS STATION INFORMATION
Auxiliary catch leverFuel filler door
P. 585 P. 370
Fuel filler door openerHood lock release
leverTire inflation pressure
P. 370 P. 585P. 725
Fuel tank capacity
(Reference)11.4 gal. (43 L, 9.5 Imp.gal.)
Fuel type
Unleaded gasoline only P. 720
Cold tire inflation
pressure P. 7 2 5
Engine oil capacity
(Drain and refill —
reference)With filter
Without filter
4.4 qt. (4.2 L, 3.7 Imp.qt.)
4.1 qt. (3.9 L, 3.4 Imp.qt.)
Engine oil type “Toyota Genuine Motor Oil” or equivalent
Oil grade: API SN/RC multigrade engine oil
P. 722