2023 TOYOTA PRIUS PRIME service

5508-2. Steps to take in an emergency
8-2.Steps to take in an emergency
In the following situations, it is
not possible to be towed by
another vehicle using cables or
chains, as the front wheels may
be locked due to the parking
lock. Contact your Toyota dealer
or commercial towing service.
There is a malfunction in the
shift control system.
( P.253)
 There is a malfunction in the
immobilizer system. ( P.70)
 There is a malfunction in the
smart key system. ( P.587)
 The 12-volt battery is dis-
charged. ( P.589) The following may indicate a
problem with your transmission.
Contact your Toyota dealer or
commercial towing service
before towing.

The hybrid system warning
message is shown on the
multi-information display and
the vehicle does not move.
 The vehicle makes an abnor-
mal sound.From the front
Release the parking brake.
Turn automatic mode off.
( P.264)
If your vehicle needs
to be towed
If towing is necessary, we
recommend having your
vehicle towed by your
Toyota dealer or commer-
cial towing service, using a
wheel-lift type truck or flat-
bed truck.
Use a safety chain system
for all towing, and abide by
all state/provincial and local
laws.
Situations when it is not
possible to be towed by
another vehicle
Situations when it is nec-
essary to contact dealers
before towing
Towing with a wheel-lift
type truck

5848-2. Steps to take in an emergency
One of the following may be the
cause of the problem:
The AC charging cable may
be attached to the vehicle.
( P.116)
 The electronic key may not be
functioning properly.
( P.587)
 There may not be sufficient
fuel in the vehicle’s tank.
Refuel the vehicle. ( P.279)
 There may be a malfunction
in the immobilizer system.
( P.70)
 There may be a malfunction
in the shift control system.
*
( P.253)
 The hybrid system may be
malfunctioning due to an elec-
trical problem such as elec-
tronic key battery depletion or
a blown fuse. However,
NOTICE
●Do not disassemble or modify
the repair kit. Do not subject
parts such as the air pressure
indicator to impacts. This may
cause a malfunction.
■To avoid damage to the tire
pressure warning valves and
transmitters
When a tire is repaired with liquid
sealants, the tire pressure warn-
ing valve and transmitter may not
operate properly. If a liquid seal-
ant is used, contact your Toyota
dealer or other qualified service
shop as soon as possible. After
use of liquid sealant, make sure to
replace the tire pressure warning
valve and transmitter when repair-
ing or replacing the tire. ( P.518)
If the hybrid system
will not start
Reasons for the hybrid sys-
tem not starting vary
depending on the situation.
Check the following and
perform the appropriate
procedure:
The hybrid system will not
start even though the cor-
rect starting procedure is
being followed ( P.251)

6089-1. Specifications
If fuel containing MMT is used, your
emission control system may be
adversely affected.
The malfunction indicator lamp on
the instrument cluster may come on.
If this happens, contact your Toyota
dealer for service.
■If your engine knocks
●Consult your Toyota dealer.
●You may occasionally notice light
knocking for a short time while
accelerating or driving uphill. This
is normal and there is no need for
concern.
NOTICE
■Notice on fuel quality
●Do not use improper fuels. If
improper fuels are used, the
engine will be damaged.
●Do not use leaded gasoline.
Leaded gasoline can cause
damage to your vehicle’s three-
way catalytic converters caus-
ing the emission control system
to malfunction.
●Do not use gasohol other than
the type previously stated.
Other gasohol may cause fuel
system damage or vehicle per-
formance problems.
●Using unleaded gasoline with
an octane number or rating
lower than the level previously
stated will cause persistent
heavy knocking.
At worst, this will lead to engine
damage.
■Fuel-related poor driveability
If poor driveability (poor hot start-
ing, vaporization, engine knock-
ing, etc.) is encountered after
using a different type of fuel, dis-
continue the use of that type of
fuel.
■When refueling with gasohol
Take care not to spill gasohol. It
can damage your vehicle’s paint.
■Notice about fuel
 P.86

6219-2. Customization
9
Vehicle specifications
*1: For details about each function: P.166
*2: This setting changes in ac cordance with My Settings.
*3: The setting can be changed on “General” of .
*4: The default setting varies according to country.
*5: This can only be set if GPS calibration of clock is turned off in the Multi-
media Display settings.
*6: The setting can be changed on “Notifications” of .
■Door lock ( P.185, 587)
*: This setting changes in accordance with My Settings.
Default settingsO
Convenience Services (Sug-
gestion function)
*2On
On (when the
vehicle is stopped)
O*6O
Off
FunctionDefault settingCustomized setting
Unlocking using a
mechanical key
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors
unlocked in one step
O
Automatic door locking
function
*
Shift position linked door
locking opera- tionOff
OOSpeed linked door locking operation
Automatic door unlocking
function
*
Shift position linked door
unlocking oper- ationOff
OODriver’s door linked door
unlocking oper- ation
Function*1Default settingCustomized settingABC
ABC

660Alphabetical Index
seat belt.............................. 490
Emergency Locking Retractor 33
How to wear your seat belt..... 32
How your child should wear the seat belt................................ 32
Pregnant women, proper seat belt use................................. 31
Reminder light and buzzer ... 562
Seat belt extender .................. 32
Seat belt pretensioners .......... 34
SRS warning light................. 557
Seat heaters ............................ 443
Seating capacity ............. 249, 600
Seat position memory ............ 231
Seats ................................ 209, 210 Adjustment precautions........ 210
Adjustment ........................... 209
Armrest................................. 465
Child seats/child restraint system installation ............................ 51
Cleaning ............................... 490
Driving position memory....... 230
Folding down the rear seatbacks ........................................... 210
Front seats ........................... 209
Head restraints ..................... 212
Memory recall function ......... 232
Power easy access system .. 230
Properly sitting in the seat ...... 29
Rear seats ............................ 210
Seat heaters ......................... 443
Seat position memory .......... 231
Seat ventilators .................... 444
Seat ventilators ...................... 444
Secondary Collision Brake .... 425
Sécurité des enfants Précautions relatives aux couss-ins gonflables ..................... 641
Sensor AHB (Automatic High Beam) 272
Automatic headlight system . 270
BSM (Blind Spot Monitor)..... 354 Digital Rear-view Mirror ........220
Door handle ..........................185
Humidity sensor....................439
Inside rear view mirror ..........216
Intuitive parking assist ..........363
LTA (Lane Tracing Assist) ....305
Radar sensor ................285, 355
Rain-sensing windshield wipers
...........................................277
RCTA ....................................374
Safe Exit Assist ....................360
Service plug ..............................83
Service reminder message ....495
Shift lever ................................256 Shift lever light ......................446
Transmission ........................256
Side airbags ..............................35
Side doors ............. ..................185
Side marker lights ..................269 Replacing exterior lights .......543
Switch ...................................269
Side mirrors ............................225 Adjustment ...........................225
BSM (Blind Spot Monitor) .....354
Folding..................................226
Heaters .................................436
RCTA function ......................373
Safe Exit Assist ....................359
Side tray ..................................453
Side windows ..........................227
Smart key system ...................203 Antenna location...................203
Entry functions..............185, 192
Starting the hybrid system ....251
Warning message . ...............566
Snow tires ...............................429
Solar charging system ...........136
SOS button ................................65
Specifications .........................600
Speedometer ...........................155
Sport mode..............................422
Steering wheel ........................215

664Alphabetical Index
Intermittent windshield wipers........................................... 275
Rain-sensing windshield wipers ........................................... 275
Winter driving tips .................. 429
Wireless charger .................... 458
Wireless remote c ontrol ........ 182
Battery-saving function......... 204
Locking/Unlocking ................ 182
Panic mode .......................... 182
Replacing the battery ........... 538
For information regarding the equipment listed
below, refer to “MULTIME-
DIA OWNER’S MANUAL”.
· Voice control
· Navigation
· Audio
· Hands-free calls
· Connected Services
· Rear view monitor system
· Panoramic view monitor