Page 333 of 496

3336-3. Do-it-yourself maintenance
PRIUS +_OM_OM47888E_(EE)
6
Maintenance and care
■How to initialize the tire pressure warning systemPark the vehicle in a safe place and turn the power switch off.
Initialization cannot be performed while the vehicle is moving.
Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. ( →P. 461)
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
Turn the power switch to ON mode.
Press and hold the tire pres-
sure warning reset switch
until the tire pressure warn-
ing light blinks slowly 3 times.
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 with a
unique ID code. When replacing a tire pressure warning valve and
transmitter, it is necessary to register the ID code. Have the ID code
registered by any authorized Toyota dealer or repairer, or another
duly qualified and equipped professional.
1
2
3
4
5
Page 336 of 496

3366-3. Do-it-yourself maintenance
PRIUS +_OM_OM47888E_(EE)■
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.
■ Warning performance of the tire pressure warning system
The warning of the tire pressure warning system will change in accordance
with the conditions under which it was initialized. For this reason, the system
may give a warning even if the tire pressure does not reach a low enough
level, or if the pressure is higher than the pressure that was adjusted to when
the system was initialized.
■ 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 any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
● 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.
Page 341 of 496

3416-3. Do-it-yourself maintenance
PRIUS +_OM_OM47888E_(EE)
6
Maintenance and care
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.
● Vehicles with a compact spare tire: Do not tow if your vehicle has a com-
pact spare tire installed.
● Vehicles with an emergency tire puncture repair kit: Do not tow anything if
a tire that has been repaired using the emergency tire puncture repair kit is
installed. The load on the tire may cause unexpected damage to the tire.
■ 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.
Page 491 of 496

491Alphabetical index
PRIUS +_OM_OM47888E_(EE)
Tail lightsLight switch ........................... 215
Replacing light bulbs ............. 364
Talk switch
*
Telephone switch*
Theft deterrent system Alarm....................................... 97
Double locking system ............ 96
Immobilizer system ................. 91
Intrusion sensor .................... 100
Tire inflation pressure Maintenance data ................. 461
Warning light ......................... 381
Tire pressure warning system Function ................................ 332
Initializing .............................. 332
Installing tire pressure
warning valves and
transmitters......................... 332
Registering ID codes............. 333
Tire pressure warning reset switch......................... 333
Warning light ......................... 381 Tires .......................................... 331
Chains................................... 266
Checking ............................... 331
If you have a flat tire ..... 404, 418
Inflation pressure .................. 343
Replacing .............................. 404
Rotating tires......................... 331
Size ....................................... 461
Snow tires ............................. 265
Spare tire ...................... 404, 461
Tire pressure warning system ................................ 332
Warning light ......................... 381
Tools ................................. 405, 419
Top strap .................................... 76
Towing Emergency towing ................ 370
Towing eyelet........................ 372
Trailer towing ........................ 200
Traction control ....................... 248
Trailer towing ........................... 200
Transmission Driving mode select switch ... 247
Hybrid transmission .............. 208
P position switch ................... 209
Selecting a driving mode ...... 247
TRC (Traction Control) Function ................................ 248
Trip information ....................... 113
Trip meters ............................... 111
Troubleshooting ...................... 474
Turn signal lights Replacing light bulbs..... 361, 362
Turn signal lever ................... 213
Wattage ................................ 462
T
*: Refer to the “Navigation and multimedia system Owner’s Manual”.