
612
PRIUS PRIME_OM_OM47D13U_(U)
7-3. Do-it-yourself maintenance
Wheels
When replacing wheels, care should be taken to ensure that they are
equivalent to those removed in load capacity, diameter, rim wid th and
inset
*.
Replacement wheels are available at your Toyota dealer.
*: Conventionally referred to as “offset”.
Toyota does not recommend using the following:
● Wheels of different sizes or types
● Used wheels
● Bent wheels that hav e been straightened
● Use only Toyota wheel nuts and wrenches designed for use with
your aluminum wheels.
● When rotating, repairing or changi ng your tires, check that the
wheel nuts are still tight afte r driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using tire
chains.
● Use only Toyota genuine balance we ights or equivalent and a plas-
tic or rubber hammer when balancing your wheels.
If a wheel is bent, cracked or heavily corroded, it should be
replaced. Otherwise, the tire may separate from the wheel or
cause a loss of handling control.
Wheel selection
Aluminum wheel precautions
![TOYOTA PRIUS PRIME 2019 Owners Manual (in English) 720
PRIUS PRIME_OM_OM47D13U_(U)
9-1. Specifications
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Pa TOYOTA PRIUS PRIME 2019 Owners Manual (in English) 720
PRIUS PRIME_OM_OM47D13U_(U)
9-1. Specifications
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Pa](/manual-img/14/42684/w960_42684-719.png)
720
PRIUS PRIME_OM_OM47D13U_(U)
9-1. Specifications
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Park the vehicle on level ground. After warming up the
engine and turning off the hybrid system, wait more than 5 minu tes, and
check the oil level on the dipstick.
■
Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use
Toyota approved “Toyota Genuine Motor Oil” or equivalent to sat isfy
the following grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice
for good fuel economy and
good starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced
with SAE 0W-20 at the next oil
change.
Oil viscosity (0W-20 is expl ained here as an example):
• The 0W in 0W-20 indicates the characteristic of the oil which allows cold startability. Oils wi th a lower value before the W allow
for easier starting of the engine in cold weather.
• The 20 in 0W-20 indicates the vi scosity characteristic of the oil
when the oil is at high temperature. An oil with a higher visco sity
(one with a higher value) may be better suited if the vehicle i s
operated at high speeds, or un der extreme load conditions.
Lubrication system
With filter4.4 qt. (4.2 L, 3.7 Imp.qt.)
Without filter4.1 qt. (3.9 L, 3.4 Imp.qt.)
Outside temperature

PRIUS PRIME_OM_OM47D13U_(U)
7339-1. Specifications
9
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended
inflation pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of hybrid
transmission, power steering, power brakes,
power windows, power seats, radio and
heater, to the extent that these items are avail-
able as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below

734
PRIUS PRIME_OM_OM47D13U_(U)
9-1. Specifications
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty 12-volt battery, and special trim
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity
weight
(Total load capacity)The rated cargo and l uggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
the maximum loaded vehicle weight, and
dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Tire related termMeaning

738
PRIUS PRIME_OM_OM47D13U_(U)
9-1. Specifications
*: Table 1 Occupant loading and distribution for vehicle normal load for
various designated seating capacities
Tread separationPulling away of the tread from the tire carcass
Treadwear indicators
(TWI)The projections within the principal grooves
designed to give a visual indication of the
degrees of wear of the tread
Wheel-holding fixtureThe fixture used to hold the wheel and tire
assembly securely during testing
Tire related termMeaning
Designated seating
capacity, Number of occupantsVehicle normal load,
Number of occupantsOccupant distribution
in a normally loaded vehicle
2 through 422 in front
5 through 1032 in front, 1 in second seat
11 through 155
2 in front, 1 in second
seat, 1 in third seat, 1 in fourth seat
16 through 207
2 in front, 2 in second
seat, 2 in third seat, 1
in fourth seat

780Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Jack........................................... 616Positioning a floor jack .......... 585
Vehicle-equipped jack........... 616
Jack handle .............................. 616
Jam protection function.......... 309
Keyless entry ........................... 270 Smart key system ................. 286
Wireless remote control ........ 270
Keys .......................................... 270
Battery-saving function ......... 288
Electronic key ....................... 270
Engine switch........................ 332
If the electronic key does not operate properly ........... 697
If you lose your keys ..... 271, 274
Key number plate.................. 270
Keyless entry ........................ 270
Keys ...................................... 270
Mechanical key ..................... 271
Power switch......................... 332
Replacing the battery ............ 633
Smart key system ................. 286
Warning buzzer..................... 287
Wireless remote control key ...................................... 270
Knee airbags .............................. 36 Language (multi-information
display) .................................. 241
LATCH system ........................... 60
LDA (Lane Departure Alert with steering control) ........... 389
Lever Auxiliary catch lever.............. 583
Hood lock release lever ........ 583
Shift lever.............................. 338
Tilt and telescopic steering lock release lever ............... 302
Turn signal lever ................... 344
Wiper lever ........................... 358
License plate lights ................. 346
Light switch ........................... 346
Replacing light bulbs ............ 646
Light
Automatic High Beam system .......... ...................... 351
Door courtesy lights .............. 524
Emergency flasher switch..... 650
Fog light switch ..................... 356
Headlight switch ................... 346
Illuminated entry system ....... 526
Interior lights ................. 525, 526
Interior light list ..................... 524
Luggage compartment light..................................... 282
Personal lights ...................... 525
Replacing light bulbs ............ 641
Shift lever light ...................... 524
Turn signal lever ................... 344
Vanity lights .......................... 539
Wattage ................................ 724
Light bulbs Replacing.............................. 641
Wattage ................................ 724
Load capacity .......................... 329
Luggage cover ......................... 534
J
K
L

786Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Tonneau cover ......................... 534
Tools ......................................... 616
Top tether strap ......................... 73
Total load capacity (vehicle capacity weight) .................... 716
Towing Dinghy towing ....................... 331
Emergency towing ................ 653
Towing eyelet........................ 656
Trailer towing ........................ 330
Toyota Safety Sense P ............ 369
TRAC (Traction Control) ......... 485
Function ................................ 485
VSC OFF switch ................... 486
Traction battery (hybrid battery) ........................ 96 Air intake vent ......................... 97
Charging ............................... 108
Location .................................. 96
Specification ......................... 719
Status indicator ..................... 110
Traction motor (electric motor) ........................ 84
Trailer towing ........................... 330
Transmission Driving mode select switch ... 415
Hybrid transmission .............. 338
P position switch ................... 339
Trip meters ............................... 206
Turn signal lights..................... 344 Replacing light bulbs............. 646
Turn signal lever ................... 344
USB port
*
Vanity lights ............................. 539 Wattage ................................ 724
Vanity mirrors .......................... 539
Vehicle data recordings ............ 10
Vehicle identification number ................................... 717
Vehicle proximity notification system ................. 91
Vehicle Stability Control (VSC) ...................................... 485
Voice command system
*
VSC (Vehicle Stability
Control) .................................. 485
Warning buzzers Approach warning................. 409
Brake system ....... ................. 660
Downshifting ......................... 340
Intelligent Clearance Sonar.................................. 444
Intuitive parking assist .......... 432
LDA (Lane Departure Alert with steering control) .......... 389
Open door..................... 279, 662
Open window ........................ 310
Pre-collision warning ............ 377
Radar cruise control ............. 409
Rear Cross Traffic Alert ........ 417
Seat belt reminder ................ 662
U
V
W

787Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Warning lights.......................... 197ABS....................................... 661
Brake Override System......... 664
Brake system ....... ................. 660
Charging system ................... 660
Drive-Start Control ................ 664
Driver’s seat belt reminder .... 662
Electronic engine control
system ......... ....................... 660
Electric power steering ......... 661
Front passenger’s seat belt reminder ...................... 662
High coolant temperature ..... 662
ICS OFF indicator ................. 662
Intelligent Clearance Sonar .................................. 664
Low engine oil pressure ........ 660
Low fuel level ........................ 662
Malfunction indicator lamp .... 660
Master warning light.............. 663
Open door ............................. 662
PCS ...................................... 661
Rear passengers’ seat belt
reminder ............................. 663
Seat belt reminder light ......... 662
Slip indicator ......................... 661
SRS ...................................... 661
Tire pressure......................... 663 Warning messages.................. 670
Warning reflector storage
space ...................................... 533
Washer ..................................... 358 Checking............................... 598
Preparing and checking
before winter ...................... 491
Switch ................................... 358
Washing and waxing ............... 562
Water-repellent coating .......... 563
Weights .................................... 716 Cargo capacity...................... 329
Load limits ............................ 716
Wheels ...................................... 612
Replacing wheels ................. 615
Size....................................... 723
Window glasses ...................... 308
Window lock switch ................ 308
Windows................................... 308 Power windows..................... 308
Rear window
defogger ..................... 500, 511
Washer ................................. 358
Windshield wipers ................... 358 Handling the wiper arms ....... 566
Rain-sensing windshield wipers ................................. 360
Replacing the wiper rubber... 630
Winter driving tips ................... 491
Wiper rubber replacement ...... 630
Wireless charger ..................... 541
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.