
PRIUS v_OM_OM47887U_(U)
4477-3. Do-it-yourself maintenance
7
Maintenance and care
■The initialization operation
●Make sure to carry out initialization after adjusting the tire inflation pressure.
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 necessary,
adjust the tire inflation pressure to the specified level when the tires are
cold, and conduct initialization again.
■ When initialization of the tire pressure warning system has failed
Initialization can be completed in a few minutes. However, in the following
cases, the settings have not been recorded and the system will not operate
properly. If repeated attempts to record tire inflation pressure settings are
unsuccessful, have the vehicle inspected by your Toyota dealer.
● When operating the tire pressure warning reset switch, the tire pressure
warning light does not blink 3 times.
● After carrying out the initialization procedure, the tire pressure warning light
blinks for 1 minute then stays on after driving for 20 minutes.
■ Certification for the tire pressure warning system
For vehicles sold in the U.S.A., Guam, Saipan and Puerto Rico
FCC ID: PAXPMV107J
FCC ID: HYQ13BDE
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
For vehicles sold in Canada
NOTE:
Operation is subject to the following two conditions; (1) this device may not
cause interference, and (2) this device must accept any interference, includ-
ing interference that may cause undesired operation of the device.

448
PRIUS v_OM_OM47887U_(U)
7-3. Do-it-yourself maintenance
WARNING
■When inspecting or replacing tires
Observe the following precautions to prevent accidents.
Failure to do so may cause damage to parts of the drive train as well as
dangerous handling characteristics, which may lead to an accident resulting
in death or serious injury.
● Do not mix tires of different makes, models or tread patterns.
Also, do not mix tires of remarkably different treadwear.
● Do not use tire sizes other than those recommended by Toyota.
● Do not mix differently constructed tires (radial, bias-belted or bias-ply
tires).
● Do not mix summer, all season and snow tires.
● Do not use tires that have been used on another vehicle.
Do not use tires if you do not know how they were used previously.
■ When initializing the tire pressure warning system
Do not operate the tire pressure warning reset switch without first adjusting
the tire inflation pressure to the specified level. Otherwise, the tire pressure
warning light may not come on even if the tire inflation pressure is low, or it
may come on when the tire inflation pressure is actually normal.

4928-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
Low fuel level warning lightIndicates that remaining fuel is approximately 1.6 gal.
(6.0 L, 1.3 Imp.gal.) or less
Refuel the vehicle.
Seat belt reminder light (warning buzzer)*3
Warns the driver and/or front passenger to fasten their
seat belts
Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (war ning buzzer) turn off.
(If equipped)
Master warning light
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
P. 501
(U. S. A)
(If equipped)
Maintenance required reminder light
Indicates that maintenance is required according to the
driven distance on the maintenance schedule.
*1
Illuminates for about 3 seconds and then flashes for about
15 seconds approximately 4500 miles (7200 km) after the
reminder light has been reset.
If necessary, perform maintenance.
Comes on and remains on if the distance driven exceeds
5000 miles (8000 km) after the reminder light has been
reset. (The indicator will not work properly unless the
reminder light has been reset.)
Perform the necessary maintenance. Please reset the
reminder light after the maintenance is performed.
(P. 412)
Warning lightWarning light/Details/Actions

4958-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
8
When trouble arises
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressure warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such
as natural air leaks and tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after a few minutes).
■When a tire is replaced with a spare tire
The compact spare tire is not equipped with a tire pressure warning valve
and transmitter. If a tire goes flat, the tire pressure warning light will not
turn off even though the flat tire has been replaced with the spare tire.
Replace the spare tire with the repaired tire and adjust the tire inflation
pressure. The tire pressu re warning light will go off after a few minutes.
■If the tire pressure warning system is not functioning
P. 4 4 6
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for
1 minute when the power switch is tu rned to ON mode, have it checked
by your Toyota dealer.
■ Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location
or audio sound.

5068-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
(U.S.A. only)
Indicates that all maintenance according to the
driven distance on the maintenance schedule
*
should be performed soon. Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perform maintenance.
(U.S.A. only)
Indicates that all maintenance is required to cor-
respond to the driven distance on the mainte-
nance schedule
*.
Comes on approximately 5000 miles (8000 km)
after the message has been reset. (The indica-
tor will not work properly unless the message
has been reset.)
Perform the necessary maintenance.
Please reset the message after the mainte-
nance is performed. ( P. 412)
(If equipped)
The Automatic High Beam switch was pressed
with the low beam headlights turned on.
Turn the high beam headlights on before
pressing the Automatic High Beam switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-collision
brake system operation is stopped
Turn the VSC on. ( P. 247)
(If equipped)
Indicates that the pre-collision system is not cur-
rently functional
Check the grille cover and the sensor and
clean them if they are dirty.
Warning messageDetails/Actions
(Flashes)

5298-2. Steps to take in an emergency
PRIUS v_OM_OM47887U_(U)
8
When trouble arises
■The compact spare tire
●The compact spare tire is identified by the label “TEMPORARY USE
ONLY” on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflatio n pressure of the compact spare tire.
( P. 557)
■After completing the tire change
The tire pressure warning system must be reset. ( P. 442)
■When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning
valve and transmitter, lo w inflation pressure of the spare tire will not be
indicated by the tire pressure warning system. Also, if you replace the
compact spare tire after the tire pressure warning light comes on, the light
remains on.
■When the compact spare tire is equipped
The vehicle becomes lower when driving with the compact spare tire
compared to when driving with standard tires.
■If you have a flat front tire on a road covered with snow or ice
Install the compact spare tire on one of the rear wheels of the vehicle.
Perform the following steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the vehi-
cle.
Fit tire chains to the front tires.
1
2
3

612Alphabetical index
PRIUS v_OM_OM47887U_(U)
Rear turn signal lightsReplacing light bulbs............. 474
Turn signal lever ................... 185
Wattage ................................ 558
Rear view mirror
Inside rear view mirror .......... 148
Outside rear view mirrors...... 150
Rear view monitor system ...... 233
Rear window defogger ............ 364
Rear window wiper .................. 203
Refueling .................................. 205
Capacity ................................ 552
Fuel types ............................. 552
Opening the fuel tank cap ..... 206
Regenerative braking ................ 75
Replacing Electronic key battery ........... 459
Fuses .................................... 461
Light bulbs ............................ 464
Tires ...................................... 518
Resetting the maintenance required reminder light ......... 412
Resetting the message
indicating maintenance is
required .................................. 412
Reporting safety defects for U.S. owners ...................... 584
Road accident cautions ............ 80 Safety Connect ........................ 396
Seat belts ................................... 32
Adjusting the seat belt ............ 35
Automatic Locking Retractor .. 36
Child restra int system
installation ............................ 65
Cleaning and maintaining the seat belt........................ 409
Comfort guide ......................... 35
Emergency Locking Retractor .............................. 36
How to wear your seat belt ..... 32
How your child should wear the seat belt.......................... 36
Pregnant women, proper seat belt use ......................... 38
Reminder light and buzzer.... 492
Seat belt extender .................. 37
Seat belt instructions for Canadian owners ............... 585
Seat belt pretensioners........... 36
SRS warning light ................. 489
Seat heaters ............................. 370
Seating capacity ...................... 169S

614Alphabetical index
PRIUS v_OM_OM47887U_(U)
StuckIf the vehicle becomes
stuck ................................... 546
Sun visors ................................ 383
Sunshade Panoramic roof shades ......... 387
Switch Audio remote control
switches.............................. 270
Automatic High Beam switch ................................. 192
Climate remote control switches.............................. 369
Clock adjustment buttons ..... 384
Cruise control switch..... 208, 212
DISP button ............................ 94
Door lock switch.................... 122
Driving mode select switch ... 243
Emergency flashers switch ... 480
Engine switch........................ 172
EV drive mode switch ........... 177
Fog light switch ..................... 198
Garage door opener
switches.............................. 389
Ignition switch ....................... 172
LDA (Lane Departure Alert) ................................... 225
Light switches ....................... 187
MPH or km/h button ................ 93
Meter control switches .......... 100
Outside rear view mirror switches.............................. 150 Panoramic roof shades......... 387
PCS switch ........................... 252
Power door lock switch ......... 122
Power switch ........................ 172
Power window switch ........... 152
Rear window wiper and
washer switch..................... 203
Rear window and outside
rear view mirror
defoggers switch ................ 364
Seat heater switches ............ 370
“SOS” button......................... 396
Talk switch ............................ 335
Telephone switches .............. 335
Tire pressure warning
reset switch ........................ 443
TRIP button ............................ 93
Vehicle-to-vehicle
distance button ................... 215
VSC OFF switch ................... 246
Window lock switch .............. 152
Windshield wipers and washer switch..................... 200