maintenance reset 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)

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.
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PRIUS PRIME_OM_OM47D71U_(U)
6197-3. Do-it-yourself maintenance
7
Maintenance and care
■Situations in which the tire pressure warning system may not oper-
ate properly
●In the following cases, the tire pressure warning system may not operate
properly.
• If non-genuine Toyota wheels are used.
• When a replacement tire is used, the system may not operate cor-
rectly due to the structure of the replacement tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is extremely higher than the specified
level.
• If wheel without the tire pressure warning valve and transmitter is
used.
• If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large
display, airport or other facility that generates strong radio waves or
electrical noise
• When carrying a portable radio, cellular phone, cordless phone or
other wireless communication device
●When the vehicle is parked, the time taken for the warning to start or go
off could be extended.
●When tire inflation pressure declines rapidly for example when a tire has
burst, the warning may not function.
■The initialization operation
●Make sure to carry out initialization after adjusting the tire inflation pres-
sure.
Also, make sure the tires are cold before carrying out initialization or tire
inflation pressure adjustment.
●If you have accidentally turned the power switch off during initialization,
it is not necessary to press the reset switch again as initialization will
restart automatically when the power switch has been turned to ON
mode for the next time.
●If you accidentally press the reset switch when initialization is not neces-
sary, adjust the tire inflation pressure to the specified level when the
tires are cold, and conduct initialization again.

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

799Alphabetical index
PRIUS PRIME_OM_OM47D71U_(U)
Radar cruise control
Dynamic radar cruise control
with full-speed range .......... 414
Radiator .................................... 606
Radio
*
RCTA (Rear Cross Traffic
Alert) ....................................... 440
Blind Spot Monitor
function ............................... 437
Rear Cross Traffic Alert
function ............................... 440
Rear Cross Traffic Alert
(RCTA) .................................... 440
Blind Spot Monitor
function ............................... 437
Rear Cross Traffic Alert
function ............................... 440
Rear passengers’ seat belt
reminder light ........................ 677
Rear seat .................................. 303
Rear side marker lights ........... 353
Light switch ........................... 353
Replacing light bulbs............. 660
Rear turn signal lights............. 351
Replacing light bulbs............. 660
Turn signal lever ................... 351
Rear view mirror
Inside rear view mirror .......... 310
Outside rear view mirrors...... 312
Rear view monitor system
*
Rear window defogger .... 516, 527
Refueling .................................. 371
Capacity ................................ 732
Fuel types ............................. 732
Opening the fuel tank cap ..... 373
When the fuel filler door
cannot be opened............... 374
Regenerative braking ................ 94
Remote Air Conditioning
System ................................... 535Replacing
Electronic key battery ........... 647
Fuses .................................... 650
Light bulbs ............................ 655
Tires...................................... 629
Wiper insert .......................... 644
Reporting safety defects
for U.S. owners...................... 768
Resetting the message
indicating maintenance is
required.................................. 588
Road accident cautions .......... 102
Road Sign Assist (RSA) .......... 410
RSA (Road Sign Assist) ......... 410
S-APGS (Simple Advanced
Parking Guidance
System) .................................. 467
S-FLOW (Front seat
concentrated airflow
mode) ............................. 514, 526
Safety Connect .......................... 76
Seat back pockets ................... 548
Seat belts ................................... 30
Adjusting the seat belt ............ 31
Automatic Locking
Retractor (ALR) .................... 31
Child restraint system
installation ............................ 64
Cleaning and maintaining
the seat belt........................ 584
Emergency Locking
Retractor (ELR) .................... 31
How to wear your seat belt ..... 30
How your child should wear
the seat belt.......................... 32
Pregnant women, proper
seat belt use ......................... 33
Reminder light and buzzer.... 677
Seat belt extender .................. 32
R
S
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or
“MULTIMEDIA OWNER’S MANUAL”.