2019 TOYOTA PRIUS PRIME warning lights

638
PRIUS PRIME_OM_OM47D13U_(U)
7-3. Do-it-yourself maintenance
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 641)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
■ When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, nongenuine parts or parts not designed for this vehic le may be
unusable.
WARNING
■ To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your
Toyota dealer as soon as possible.

PRIUS PRIME_OM_OM47D13U_(U)
6477-3. Do-it-yourself maintenance
7
Maintenance and care
WARNING
■Replacing light bulbs
● Be sure to stop the hybrid system and turn off the lights. Do not attempt to
replace the bulb immediately after turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clea n dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Fa ilure to do so
may result in heat damage, fire, or water entering the light un it. This may
damage the back-up lights or cause condensation to build up on the lens.
● Do not attempt to repair or disassemble light bulbs, connectors , electric
circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
● Do not replace the right-hand back-up light immediately after t he vehicle
has been driven.
After the vehicle has been driven the exhaust pipe will be extr emely hot,
and touching the exhaust pipe may result in burns.
● Use gloves and other protection to prevent injuries on vehicle parts.
There is the danger of being injured on the edges of parts.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.

6718-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47D13U_(U)
8
When trouble arises
The warning lights and warning buzzers operate as follows depending
on the content of the message. If a message indicates the need for
inspection by a dealer, have the vehicle inspected by your Toyota
dealer immediately.
The operation of the warning lights and warning buzzers may dif fer
from those stated. In this case, perform the correction procedu re
according to the displayed message.
*: A buzzer sounds the first time a message is shown on the multi -informa-
tion display.
Messages and warnings
System
warning lightWarning
buzzer
*Warning
Comes onSounds
Indicates an important situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed
Comes on or flashesSounds
Indicates an important situation, such
as when the systems shown on the
multi-information display may be mal-
functioning
FlashesSounds
Indicates a situation, such as when
damage to the vehicle or danger may
result
Comes onDoes not sound
Indicates a condition, such as mal-
function of electrical components, their
condition, or indicates the need for
maintenance
FlashesDoes not
sound
Indicates a situation, such as when an
operation has been performed incor-
rectly, or indicates how to perform an
operation correctly

6728-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47D13U_(U)
■Warning messages
The warning messages explained below may differ from the actual messages
according to operation conditions and vehicle specifications.
■ System warning lights
The master warning light does not come on or flash in the following cases.
Instead, a separate system warning light will come on along wit h a message
or image shown on the multi-information display.
● “Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( P. 661)
● “Braking Power Low Visit Your Dealer”:
The brake system warning light (yellow) will come on. ( P. 660)
● Indicates that a door is not fully closed while the vehicle is stopped.:
The Open door warning light comes on. ( P. 662)
■ If “Visit Your Dealer” is shown
The system or part shown on the multi-information display is malfunctioning.
Have the vehicle inspected by your Toyota dealer.
■ If a message about an operation is shown
● If a message about an operation of the accelerator pedal or bra ke pedal is
shown
A warning message about an operation of the brake pedal may be shown
while the driving assist systems such as PCS (Pre-Collision Sys tem) or the
dynamic radar cruise control with full-speed range is operating . If a warning
message is shown, be sure to decelerate the vehicle or follow a n instruction
shown on the multi-information display.
● A warning message is shown when Drive-Start Control, Brake Over ride Sys-
tem or Intelligent Clearance Sonar (if equipped) operates (P. 315, 316,
444). Follow the instructions on the multi-information display.
● If a message about an operation of the power switch is shown
An instruction for operation of the power switch is shown when the incorrect
procedure for starting the hybrid system is performed or the power switch is
operated incorrectly. Follow the instructions shown on the mult i-information
display to operate the power switch again.
● If a message about a shift operation is shown
To prevent the shift position from being selected incorrectly o r the vehicle
from moving unexpectedly, the shift position may be changed aut omatically
( P. 340) or shift operation may be required. In this case, chang e the shift
position following the instructions on the multi-information display.
● If a message or image about an open/close state of a part or replenishment
of a consumable is shown
Confirm the part indicated by the multi-information display or a warning light,
and then perform the coping method such as closing the open doo r or
replenishing a consumable.

773Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Approach warning ................... 409
Assist grips .............................. 552
Audio input
*
Audio system*
Automatic air conditioning system ..... 496, 507 Air conditioning eco mode .......................... 499, 510
Air conditioning filter ............. 626
Automatic air conditioning system .... 496, 507
Eco score (A/C score)........... 236
Humidity sensor ............ 503, 514
Remote Air Conditioning System ............................... 518
S-FLOW mode .............. 497, 509
Automatic door locking
and unlocking systems ........ 278
Automatic High Beam ............. 351
Automatic light control system .................................... 349
AUX port
*
Auxiliary boxes ........................ 531
Back door ................................. 281
Back-up lights .......................... 641 Replacing light bulbs............. 642
Wattage ................................ 724
Battery (12-volt battery) .......... 593
Battery checking ................... 593
Exchanging ........................... 704
If the 12-volt battery is discharged .......................... 701
Preparing and checking before winter....................... 491
Replacing .............................. 704
Warning light ......................... 660 Battery (traction battery) .......... 96
Air intake vent ......................... 97
Charging ............................... 108
Location .................................. 96
Specification ......................... 719
Status indicator ..................... 110
Blind Spot Monitor (BSM) ....... 417 Blind Spot Monitor function... 421
Rear Cross Traffic Alert
function............................... 424
Bluetooth
®*
Bottle holders .......................... 530
Brake Fluid ...................................... 723
Parking brake ....................... 345
Regenerative braking ............. 92
Warning light......................... 660
Brake assist ............................. 485
Brake Override System ........... 315
Break-in tips............................. 317
Brightness control Instrument cluster light control ......................... 190
BSM (Blind Spot Monitor) ....... 417 Blind Spot Monitor function... 421
Rear Cross Traffic Alert function............................... 424
Care .................................. 562, 567 Aluminum wheels ................. 563
Camera sensor ..................... 373
Exterior ................................. 562
Interior .................................. 567
Radar sensor ........................ 372
Seat belts.............................. 570
Water-repellent coating ........ 563
B
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

775Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Clock ......................................... 188Adjustment ............................ 193
Coat hooks ............................... 552
Combination meter .................. 188 Clock adjustment .................. 193
Main display .......................... 204
Multi-information display ....... 213
Warning lights and
indicators ............................ 196
Condenser ................................ 592
Console box ............................. 528
Consumption screen ....... 258, 264
Coolant ..................................... 590 Capacity ................................ 721
Checking ............................... 590
Preparing and checking before winter....................... 491
Cooling system ........................ 590 Engine overheating ............... 707
Hybrid system overheating ... 709
Cruise control .......................... 399 Dynamic radar cruise control with full-speed range .......... 399
Cup holders.............................. 529
Curtain shield airbags ............... 36
Customizable features ............ 739
Daytime running light system .................................... 349
Deck board ............................... 532
Defogger Outside rear view
mirrors ........................ 500, 511
Rear window ................. 500, 511
Windshield .................... 500, 510 Dimension ................................ 716
Dinghy towing.......................... 331
Display
BSM (Blind Spot Monitor) ..... 417
Drive information .................. 215
Dynamic radar cruise control with full-speed range .......... 399
Energy monitor ..... 216, 255, 261
Head-up display.................... 246
Intelligent Clearance Sonar.................................. 444
Intuitive parking assist .......... 430
LDA (Lane Departure Alert with steering control) .......... 393
Main display.......................... 204
Multi-information display ....... 213
Pre-collision warning ............ 377
S-APGS (Simple Advanced Parking Guidance
System) .............................. 455
Warning messages ............... 670
Do-it-yourself maintenance .... 580
Door courtesy lights ............... 524 Location ................................ 524
Wattage ................................ 724
Doors ................................ 275, 281 Automatic door locking
and unlocking system......... 278
Back door ............................. 281
Door glasses......................... 308
Door lock .............................. 275
Open door warning buzzer ... 662
Open door warning light ....... 662
Outside rear view mirrors ..... 306
Rear door child-protectors .... 278
Side doors ............................ 275
Side windows........................ 308
D
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

777Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Emergency tire puncture repair kit ................................. 678
Energy monitor ........ 216, 255, 261
Engine Accessory mode ................... 334
Compartment ........................ 586
Engine switch........................ 332
Exhaust gas precautions ........ 56
Hood ..................................... 583
How to start the hybrid system ......... ....................... 332
Identification number ............ 718
If the hybrid system will not start .............................. 695
If your vehicle has to be stopped in an emergency ... 651
Ignition switch
(power switch) .................... 332
Overheating .......................... 707
Power switch......................... 332
Engine coolant ......................... 590 Capacity ................................ 721
Checking ............................... 590
Preparing and checking before winter....................... 491
Engine oil ................................. 587 Capacity ................................ 720
Checking ............................... 587
Oil pressure warning light ..... 660
Preparing and checking
before winter....................... 491 Engine switch .......................... 332
Auto power off function ......... 334
Changing the power
switch modes ..................... 334
If your vehicle has to be
stopped in an emergency ... 651
Starting the hybrid system .... 332
EPS (Electronic Power
Steering) ................................ 486 Function ................................ 486
Warning light......................... 661
EV auto mode ............................ 85
EV driving range ...................... 106
EV mode ..................................... 85
EV/HV mode selection switch ....................................... 88
Event data recorder (EDR)........ 11
Exhaust gas precautions .......... 56
Flat tire ..................................... 678
Floor mats .................................. 26
Fluid
Brake .................................... 723
Transmission ........................ 722
Washer ................................. 598
Fog lights ................................. 356
Replacing light bulbs ............ 646
Switch ................................... 356
Footwell lights ......................... 524
Front doors .............................. 275
Front passenger occupant classification system .............. 50
Front passenger’s seat belt reminder light................. 662
F

778Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Front seats ............................... 295Adjustment ............................ 295
Cleaning................................ 567
Correct driving posture ........... 28
Head restraints ..................... 299
Seat heaters ......................... 522
Front side marker lights.......... 346 Light switch ........................... 346
Replacing light bulbs............. 646
Front turn signal lights ........... 344 Replacing light bulbs............. 646
Turn signal lever ................... 344
Fuel ........................................... 364 Capacity ................................ 718
Fuel gauge ............................ 204
Information ............................ 725
Refueling............................... 364
Type ...................................... 718
Warning light ......................... 662
Fuel consumption.... 226, 258, 264
Average fuel consumption .... 226
Current fuel consumption...... 264
Fuel filler door.......................... 364
Opener .................................. 366
Refueling............................... 364
When the fuel filler door cannot be opened............... 367
Fuses ........................................ 636
Garage door opener ................ 553
Glove box ................................. 528 Hands-free system
(for cellular phone)
*
Head restraints ........................ 299
Head-up display....................... 246
Headlights ................................ 346
Automatic High Beam system .......... ...................... 351
Headlight aim................ 639, 764
Light switch ........................... 346
Replacing light bulbs ............ 646
Heated steering wheel ............ 523
Heaters
Automatic air conditioning system.... 496, 507
Heated steering wheel .......... 523
Outside rear view mirrors ........................ 500, 511
Seat heaters ......................... 522
High coolant temperature warning light.......................... 662
High mounted stoplight Replacing.............................. 646
High-voltage components ........ 96
Hill-start assist control ........... 486
Hood ......................................... 583
Hooks Coat hooks ........................... 552
Grocery bag hook ................. 533
Retaining hooks (floor mat) .... 26
Horn .......................................... 302
HV mode ..................................... 85
G
H