2020 TOYOTA PRIUS PRIME maintenance reset

PRIUS PRIME_OM_OM47C77U_(U)
1993. Instrument cluster
3
Instrument cluster
■The meters and display illuminate when
The power switch is in ON mode.
■ Adjusting the instrume nt 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 scree n. 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 select ed, when the
tail lights are turned on in a dark place, the instrument clust er brightness
setting will be the selected level.
● If the taillights are illuminated in a dark environment, the in strument cluster
light dims. However, when the brightness of the instrument clus ter is set to
minimum or maximum (1st or 22nd level of the instrument cluster bright-
ness), even if the taillights are illuminated, the instrument c luster 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 di splayed 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. 246)
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 charge
timer function can not operate properly.
When the calendar setting check screen
is displayed, make sure to complete the
calendar setting. ( P. 244)

576
PRIUS PRIME_OM_OM47C77U_(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 rep lacement or if
a repair shop other than a Toyota dealer performs repairs, conf irm the war-
ranty coverage.
■ Resetting the message indicating ma intenance is required (U.S.A. only)
After the required maintenance is preformed according to the ma intenance
schedule, please reset the message.
To reset the message, follow the procedures described below:
While the hybrid system is operating, switch the multi-informat ion display to
the screen. ( P. 244)
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 th e 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 p romptly take
care of it.
A message will be displayed when the
reset procedure has been completed.
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PRIUS PRIME_OM_OM47C77U_(U)
6077-3. 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 no t 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 replac ed with a tire that is not of the specif ied size.
• Tire chains etc . are equipped.
• An auxiliary-supported ru n-flat tire is equipped.
• If a window tint that affects the radio wave signals is instal led.
• 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 sp ecified
level.
• If wheel without the tire pressure warning valve and transmitt er is
used.
• If the ID code on the tire pressure warning valves and transmi tters 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 stat ion, large
display, airport or other facilit y 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 s tart 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 initializ ation after adjusting the tire inflation pres-
sure.
Also, make sure the tires are co ld before carrying out initialization or tire
inflation pressure adjustment.
●If you have accidentally turned the power switch off during ini tialization,
it is not necessary to press the reset swit ch 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 cond uct initialization again.

6788-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47C77U_(U)■
If “Cruise Control not Available” is shown
The dynamic radar cruise control with full-speed range system c annot be
used temporarily. Use the system when it becomes available agai n.
■ 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 aft er the main-
tenance is performed. ( P. 576)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.
■ 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 aft er the
maintenance is performed. ( P. 576)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.
■ If the shift position cannot be changed or the power switch is turned to
ACCESSORY mode even if trying to turn the power switch off when a
warning message is shown
If the 12-volt battery is discharged or the shift control syste m is malfunction-
ing, the followings may occur.
● The shift position may not be changed to P.
When parking, stop the vehicle on level ground and apply the pa rking brake
firmly.
● The hybrid system may not start.
● The power switch may be turned to ACCESSORY mode even if trying to
turn the power switch off.
In this case, the power switch may be turned off after applying the parking
brake.
● The automatic P position selection function ( P. 345) may not operate.
Before turning the power switch off, be sure to press the P pos ition switch
and check that the shift position is in P by the shift position indicator or P
position switch indicator.
■ Warning buzzer
P. 669

PRIUS PRIME_OM_OM47C77U_(U)
7519-2. Customization
9
Vehicle specifications
■Charge settings
■Maintenance system
Charge scheduleSetting the charging timer: 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. 576
Tire pressure warning
systemInitializing the tire p ressure warning system:
 P. 603

785Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Radar cruise controlDynamic radar cruise control with full-speed range .......... 403
Radiator .................................... 594
Radio
*
RCTA (Rear Cross Traffic Alert) ....................................... 428 Blind Spot Monitor function ............................... 425
Rear Cross Traffic Alert function ............................... 428
Rear Cross Traffic Alert
(RCTA) .................................... 428 Blind Spot Monitor function ............................... 425
Rear Cross Traffic Alert function ............................... 428
Rear passengers’ seat belt
reminder light ........................ 665
Rear seat .................................. 301
Rear side marker lights ........... 350
Light switch ........................... 350
Replacing light bulbs............. 648
Rear turn signal lights............. 348
Replacing light bulbs............. 648
Turn signal lever ................... 348
Rear view mirror Inside rear view mirror .......... 308
Outside rear view mirrors...... 310
Rear view monitor system
*
Rear window defogger .... 504, 515
Refueling .................................. 368 Capacity ................................ 720
Fuel types ............................. 720
Opening the fuel tank cap ..... 370
When the fuel filler door cannot be opened............... 371
Regenerative braking ................ 94
Remote Air Conditioning System ................................... 522 Replacing
Electronic key battery ........... 635
Fuses .................................... 638
Light bulbs ............................ 643
Tires...................................... 617
Wiper insert .......................... 632
Reporting safety defects for U.S. owners...................... 754
Resetting the message
indicating maintenance is
required.................................. 576
Road accident cautions .......... 102
S-APGS (Simple Advanced Parking Guidance
System) .................................. 455
S-FLOW mode.................. 501, 513
Safety Connect .......................... 76
Seat back pockets ................... 535
Seat belts ................................... 30 Adjusting the seat belt ............ 31
Automatic Locking Retractor (ALR) .................... 31
Child restra int system
installation ............................ 64
Cleaning and maintaining
the seat belt........................ 572
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.... 664
Seat belt extender .................. 32
Seat belt instructions for Canadian owners ............... 755
Seat belt pretensioners........... 31
SRS warning light ................. 663
Seat heaters ............................. 526
R
S
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.