2020 TOYOTA PRIUS C maintenance reset

4107-2. Maintenance
PRIUS c_U
■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 performed according to the ma intenance
schedule, please reset the message.
To reset the message, follow the procedures described below:
Vehicles without a smart key system: Turn the power switch to the “LOCK”
position with the trip meter A reading shown.
Vehicles with a smart key system: Turn the power switch off wit h the trip
meter A reading shown.
Vehicles without a smart key system: While pressing the “trip” switch (P.
100), turn the power switch to the “ON” position (do not start the hybrid sys-
tem, reset mode will be canceled).
Vehicles with a smart key system: While pressing the trip meter reset but-
ton ( P. 100), turn the power switch to the ON mode (do not start the
hybrid system, otherwise the reset mode will be canceled).
Continue to press and hold the button until the trip meter disp lays “000000”.
■ 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 operations
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.
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4377-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U
Turn the power switch to the “ON” position (vehicles without a
smart key system) or power switch to ON mode (vehicles with a
smart key system).
Press and hold the tire pres-
sure warning reset switch
until the tire pressure warn-
ing light blinks slowly 3 times.
Vehicles without a smart key syst em: Wait for a few minutes with
the power switch in the “ON” position and then turn the power
switch to the “ACC” or “LOCK” position.
Vehicles with a smart key system : Wait for a few minutes with the
power switch in ON mode and then turn the power switch off.
◆Registering ID codes
The tire pressure warning valve and transmitter is equipped wit h a
unique ID code. When replacing a tire pressure warning valve an d
transmitter, it is necessary to register the ID code. Have the ID code
registered by your Toyota dealer.
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4407-3. Do-it-yourself maintenance
PRIUS c_U■
If the tire pressure warning system is not functioning
The tire pressure warning syst
em will be disabled in the follow ing condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and tra nsmitters
are used
●If the ID code on the tire pressure warning valves and transmit ters is not
registered in the tire pr essure warning computer
●If the tire inflation pressure is 70 psi (480 kPa, 4.9 kgf/cm2 or bar) or
higher
The tire pressure warning system may be disabled in the followi ng condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilitie s using similar radio wave frequencies are
nearby
●If a radio set at a similar frequency is in use in the vehicle
●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 non-genuine Toyota wheels are used (Even if you use Toyota wheels,
the tire pressure warning system may not work properly with som e types
of tires.)
●If tire chains are used
■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 to off during initializa-
tion, it is not necessary to press the reset switch again as in itialization
will restart automatically when the power switch has been turned to the
ON mode for th e 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.

4417-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U■
When the initializati
on of the tire pressure warning system has failed
Initialization can be completed i n a few minutes. However, in the following
cases, the settings have not been record ed and the system will not oper-
ate properly. If repeated attempts to record tire inflation pre ssure settings
are unsuccessful, have the vehicl e inspected by your Toyota dealer.
●When operating the tire pressure warning reset switch, the tire pressure
warning light does not blink 3 times.
●After driving for a certain period of time since the initializa tion has been
completed, the warning light comes on after blinking for 1 minute.
■Tire pressure warning system certification
For vehicles sold in the U.S.A. and Puerto Rico
For vehicles sold in Canada

4427-3. Do-it-yourself maintenance
PRIUS c_U
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 accide nt
resulting in death o r serious injury.
●Do not mix tires of different ma kes, models or tread patterns.
Also, do not mix tires of re markably different treadwear.
●Do not use tire sizes other th an those recommended by Toyota.
●Do not mix differently constructed tires (radial, bias-belted o r bias-ply
tires).
●Do not mix summer, all season and snow tires.
●Do not use tires that have b een used on another vehicle.
Do not use tires if you do not kn ow how they were used previous ly.
●Do not tow if your vehicle has a compact spare tire installed.
■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. O therwise, the
tire pressure warning light may not come on even if the tire in flation
pressure is low, or it may come on when the tire inflation pres sure is
actually normal.

4928-2. Steps to take in an emergency
PRIUS c_UIndicates that the back door is not fully closed
If the vehicle reaches a speed of 3 mph (5
km/h), flashes and a buzzer sounds
to indicate that the back door is not yet fully
closed.
 Close the back door.
(If equipped)
Indicates that the moon roof is not fully closed
(with the power switch off and the driver’s door is
open)
A buzzer also sounds.
 Close the moon roof.
Indicates that the parking brake is still engaged If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the parking brake is still engaged.
 Release the parking brake.
(U.S.A. only)
Indicates that all maintenance according to the
driven distance on the maintenance schedule
*1
should be performed soon.
Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perfo rm maintenance.
(U.S.A. only)
Indicates that all maintenance is required to cor-
respond to the driven distance on the mainte-
nance schedule
*1.
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 mainte-
nance is performed. ( P. 410)
Warning messageDetails/Actions
(Flashes)
(U.S.A.) (Canada)

595Alphabetical index
PRIUS c_U
Radiator .................................... 428
Radio......................................... 298
Rear seatFolding down ........................ 151
Rear turn signal lights
Replacing light bulbs............. 461
Wattage ................................ 544
Rear view monitor
system
*.................................. 255
Rear window defogger ............ 378
Rear window wiper .................. 218
Resetting the message indicating maintenance
is required .............................. 410
Replacing Fuses .................................... 454
Key battery............................ 451
Light bulbs ............................ 458
Tires ...................................... 505
Reporting safety defects
for U.S. owners ...................... 568 Seat belts
Adjusting the seat belt ............ 30
Automatic Locking
Retractor (ALR) .................... 34
Child restra int system
installation ............................ 59
Cleaning and maintaining the seat belts ...................... 406
Emergency Locking Retractor (ELR) ................... 34
How to wear your seat belt ..... 28
How your child should
wear the seat belt ................. 34
Pregnant women,
proper seat belt use ............. 36
Reminder light ...................... 482
Seat belt extenders................. 35
Seat belt pretensioners........... 34
Seat cushion airbag .................. 39
Seat heaters ............................. 384
Seating capacity ...................... 185
RS
*: For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER'S MANUAL”.