maintenance schedule TOYOTA PRIUS PRIME 2021 Owners Manual (in English)

PRIUS PRIME_OM_OM47D71U_(U)
1993. Instrument cluster
3
Instrument cluster
■The meters and display illuminate when
The power switch is in ON mode.
■Adjusting the instrument cluster brightness (P. 194)
●The brightness levels that can be selected differ depending on whether the
tail lights are on and surrounding brightness levels, as shown in the table
below.
*: 22 levels of the brightness are displayed on the setting screen. However,
the brightness setting will be the brightest when other than 1st level (the
darkest) is selected. If other than 1st or 22nd level is selected, when the
tail lights are turned on in a dark place, the instrument cluster brightness
setting will be the selected level.
●If the taillights are illuminated in a dark environment, the instrument cluster
light dims. However, when the brightness of the instrument cluster is set to
minimum or maximum (1st or 22nd level of the instrument cluster bright-
ness), even if the taillights are illuminated, the instrument cluster light will
not dim.
■When disconnecting and reconnecting 12-volt battery terminals
The settings of the clock will be reset.
■Calendar setting
●Until the calendar setting is completed, the check screen is displayed every
time the power switch is turned to ON mode.
●After the calendar information is set, it can be changed in the “Meter Cus-
tomize” settings. (P. 248)
The tail lights are offThe tail lights are on
In a bright place2 levels*2 levels*
In a dark place22 levels
If calendar recording is interrupted due to
replacement of the 12-volt battery or 12-
volt battery discharge, etc., when the
power switch is turned to ON mode after
maintenance, the calendar setting check
screen is automatically displayed on the
multi-information display.
●If date information is not set, the electric-
ity and fuel consumption record cannot
be stored correctly. Also, the charging
schedule function can not operate prop-
erly. When the calendar setting check
screen is displayed, make sure to com-
plete the calendar setting. (P. 246)

587
PRIUS PRIME_OM_OM47D71U_(U)
7-2. Maintenance
7
Maintenance and care
Maintenance requirements
General maintenance should be performed on a daily basis. This can
be done by yourself or by a Toyota dealer.
Scheduled maintenance should be performed at specified intervals
according to the maintenance schedule.
For details about maintenance items and schedules, refer to the “Sched-
uled Maintenance Guide” or “Owner’s Manual Supplement”.
You can perform some maintenance procedures by yourself.
Please be aware that do-it-yourself maintenance may affect warranty
coverage.
The use of Toyota repair manuals is recommended.
For details about warranty coverage, refer to the separate “Owner’s War-
ranty Information Booklet” or “Owner’s Manual Supplement”.
To ensure safe and economical driving, day-to-day care and reg-
ular maintenance are essential. It is the owner’s responsibility to
perform regular checks. Toyota recommends the following main-
tenance:
General maintenance
Scheduled maintenance
Do-it-yourself maintenance

588
PRIUS PRIME_OM_OM47D71U_(U)
7-2. Maintenance
■Repair and replacement
It is recommended that genuine Toyota parts be used for repairs to ensure
performance of each system. If non-Toyota parts are used in replacement or if
a repair shop other than a Toyota dealer performs repairs, confirm the war-
ranty coverage.
■Resetting the message indicating maintenance is required (U.S.A. only)
After the required maintenance is preformed according to the maintenance
schedule, please reset the message.
To reset the message, follow the procedures described below:
While the hybrid system is operating, switch the multi-information display to
the screen. (P. 246)
Press
or of the meter control switches, select (“Vehicle
Settings”), and then press .
Press
or of the meter control switches, select “Maintenance Sys-
tem”, and then press .
Press
or of the meter control switches, select “Oil Maintenance”,
and then press .
Press
or of the meter control switches, select “Yes”, and then press
.
■Allow inspection and repairs to be performed by a Toyota dealer
●Toyota technicians are well-trained specialists and are kept up to date with
the latest service information. They are well informed about the operation of
all systems on your vehicle.
●Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will promptly take
care of it. A message will be displayed when the
reset procedure has been completed.
1
2
3
4
5

592
PRIUS PRIME_OM_OM47D71U_(U)
7-2. Maintenance
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work prop-
erly?
Fluid leaks• There should not be any signs of fluid leakage
after the vehicle has been parked.
Tires
• Is the tire inflation pressure correct?
• The tires should not be damaged or exces-
sively worn.
• Have the tires been rotated according to the
maintenance schedule?
• The wheel nuts should not be loose.
Windshield wipers
• The wiper blades should not show any signs
of cracking, splitting, wear, contamination or
deformation.
• The wiper blades should clear the windshield
without streaking or skipping.
Charging equipment
ItemsCheck points
Charging cable• Check the conditions of the charging cable
and charging connector. (P. 120)
WARNING
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation
before performing maintenance checks.

642
PRIUS PRIME_OM_OM47D71U_(U)
7-3. Do-it-yourself maintenance
■Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to the
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■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
WARNING
■When replacing the air conditioning filter
Observe the following precautions. Failure to do so may result in the air
conditioning system operating during the procedure, possibly resulting in
injury.
●Check that the charging connector is not connected
The air conditioning may operate due to the “Climate Prep” (P. 157) or
“Traction Battery Cooler” (P. 136) setting.
●Do not use the Remote Air Conditioning System

6908-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47D71U_(U)■If “Radar Cruise Control Unavailable See Owner’s Manual” is shown
The dynamic radar cruise control with full-speed range system is suspended
temporarily or until the problem shown in the message is resolved. (causes
and coping methods: P. 382)
■If “Radar Cruise Control Unavailable” is shown
The dynamic radar cruise control with full-speed range system cannot be
used temporarily. Use the system when it becomes available again.
■If “Maintenance Required Soon” is displayed (U.S.A. only)
Indicates that all maintenance according to the driven distance on the mainte-
nance schedule
* should be performed soon.
Comes on approximately 4500 miles (7200 km) after the message has been
reset.
If necessary, perform maintenance. Please reset the message after the main-
tenance is performed. (P. 588)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement” for the maintenance interval applicable to your vehicle.
■If “Maintenance Required Visit Your Dealer” is displayed (U.S.A. only)
Indicates that all maintenance is required to correspond to the driven distance
on the maintenance schedule
*.
Comes on approximately 5000 miles (8000 km) after the message has been
reset. (The indicator will not work properly unless the message has been
reset.)
Perform the necessary maintenance. Please reset the message after the
maintenance is performed. (P. 588)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement” for the maintenance interval applicable to your vehicle.

PRIUS PRIME_OM_OM47D71U_(U)
7639-2. Customization
9
Vehicle specifications
■Seat belt reminder (P. 679)
■Charge settings
■Maintenance system
■Vehicle customization
●When the Speed linked door locking function and the Shift position linked
door locking function are both on, the door lock operates as follows.
• When shifting the shift position to any position other than P, all the doors
will be locked.
• If the vehicle is started with all the doors locked, the Speed linked door
locking function would not operate.
• If the vehicle is started with any door unlocked, the Speed linked door
locking function will operate.
●When the smart key system is off, Smart door unlocking cannot be custom-
ized.
●When the doors remain closed after unlocking the doors and the automatic
door lock function is activated, the signals will be generated in accordance
with the operation signal (buzzer) and the operation signal (emergency
flashers) settings.
■In the following situations, customize mode in which the settings can be
changed through the multi-information display will automatically be
turned off.
●The power switch is turned off.
●The vehicle begins to move while the customize mode screen is displayed.
FunctionDefault
settingCustomized
setting
Vehicle speed linked seat belt
reminder buzzerOnOff––O
123
Charge scheduleSetting the charging schedule: P. 161
Charge currentChanging the upper limit of the charging cur-
rent:P. 132
Charging connector lock
(if equipped)Changing the charging connector lock settings:
P. 126
Traction battery heaterSetting “Traction Battery Heater” on/off:
P. 135
Oil Maintenance
(U.S.A. only)Resetting the message indicating maintenance
is required: P. 588
Tire pressure warning
systemInitializing the tire pressure warning system:
P. 615

790Alphabetical index
PRIUS PRIME_OM_OM47D71U_(U)
Care................................... 576, 581
Aluminum wheels.................. 577
Exterior ................................. 576
Front camera ........................ 379
Interior................................... 581
Radar sensor ........................ 378
Seat belts .............................. 584
Water-repellent coating......... 577
Cargo capacity ......................... 335
Catch protection function ....... 315
CD player
*
Chains....................................... 508
Charging ................................... 110
Charging cable...................... 115
Charging equipment ............. 110
Charging indicator................. 114
Charging messages .............. 185
Charging precautions............ 153
Charging procedure .............. 146
Charging time may
increase .............................. 135
Charging schedule function .. 157
High voltage components ....... 98
Information related to
charging display ................. 140
Opening and closing the
charging port lid .................. 111
Power sources
precautions ......................... 133
Power sources that can be
used.................................... 131
Safety functions ............ 142, 151
When normal charging
cannot be carried out.......... 180
Charging cable......................... 115
CCID (Charging Circuit
Interrupting Device) ............ 115
If the charging cable
cannot be unlocked ............ 128
Indicator................................. 117
Maintenance ......................... 120
Safety functions .................... 116Charging port........................... 110
Opening and closing ............. 111
Smart lid & connector
locking system.................... 121
If the charging port lid does
not open ............................. 124
Child restraint system............... 58
Fixed with a LATCH
system .................................. 70
Fixed with a seat belt .............. 64
Front passenger occupant
classification system ............ 50
Points to remember ................ 58
Riding with children ................ 57
Types of child restraint system
installation method ............... 60
Using an anchor bracket......... 73
Child safety ................................ 57
12-volt battery precautions ... 608
Airbag precautions.................. 40
Back door precautions .......... 289
Charging precautions ........... 141
Child restraint system ............. 58
How your child should wear
the seat belt.......................... 32
Installing child restraints ......... 60
Power window lock switch .... 314
Power window precautions ... 316
Rear door child-protectors .... 284
Removed key battery
precautions......................... 649
Riding with children ................ 57
Seat belt extender
precautions........................... 34
Seat belt precautions .............. 69
Seat heater precautions ....... 539
Child-protectors ...................... 284
Cleaning ........................... 576, 581
Aluminum wheels ................. 577
Exterior ................................. 576
Front camera ........................ 379
Hybrid battery (traction
battery) air intake vent........ 582
Interior .................................. 581
C

801Alphabetical index
PRIUS PRIME_OM_OM47D71U_(U)
Switch
Audio remote control switches
*
Automatic High Beam
switch ................................. 358
Charging schedule switch ..... 161
Cruise control switch............. 414
Door lock switches ................ 283
Driving mode select switch ... 430
Emergency flashers switch ... 664
Engine switch........................ 338
EV auto mode switch .............. 90
EV/HV mode selection
switch ................................... 90
Fog light switch ..................... 363
Fuel filler door opener
switch ................................. 373
Garage door opener
switches.............................. 568
Heated steering wheel
switch ................................. 540
“HUD” (Head-up display)
switch ................................. 255
Ignition switch ....................... 338
Instrument cluster light
control switch...................... 194
LTA (Lane Tracing Assist)
switch ................................. 403
Light switch ........................... 353
Meter control switches .......... 193
Outside rear view mirror
switches.............................. 312
P position switch ................... 346
Power door lock switches ..... 283
Power switch......................... 338
Power window switch............ 314
Rear window and outside
rear view mirror
defoggers switch ........ 516, 527
S-APGS switch ..................... 470
Seat heater switches ............ 540“SOS” button........................... 76
Talk switch
*
Telephone switches*
TRIP switch .......................... 213
Vehicle-to-vehicle distance
switch ................................. 422
VSC OFF switch ................... 502
Window lock switch .............. 314
Windshield wipers and
washer switch..................... 365
Wireless charger power
supply switch ...................... 557
Tail lights.................................. 353
Light switch ........................... 353
Replacing light bulbs ............ 660
Talk switch
*
Telephone switch*
Theft deterrent system
Immobilizer system ................. 83
Tire inflation pressure............. 623
Maintenance data ................. 737
Warning light......................... 677
Tire information ....................... 742
Glossary ............................... 747
Size....................................... 743
Tire Identification Number .... 743
Uniform Tire Quality
Grading .............................. 745
Tire pressure warning
system.................................... 615
Function ................................ 615
Initializing .............................. 615
Installing tire pressure
warning valves and
transmitters ........................ 615
Registering ID codes ............ 616
Warning light......................... 677
T
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or
“MULTIMEDIA OWNER’S MANUAL”.