Page 410 of 556
410 4-3. Do-it-yourself maintenance
Under the driver’s side instrument panel
FuseAmpereCircuit
1 TAIL 10 A Parking lights, side marker lights,
tail lights, license plate lights, front
fog lights, gauge and meters
2 PANEL 5 A Instrument panel lights
3 DOOR R/R 20 A Rear power window (right side)
4 DOOR P 20 A Front power window (right side)
5 ECU-IG NO.1 5 A Rear window defogger, tire pres-
sure warning system, main body
ECU, brake system, vehicle stabil-
ity control system, power door lock
system, smart key system
6 ECU-IG NO.2 5 A Electric power steering system
7HTR-IG 7.5 A Air conditioning system, PTC
heater
8 GAUGE 10 A Back-up lights, audio system, shift
lock control system, moon roof,
vehicle control and operation data
recording, vehicle proximity notifi-
cation system
9 WASHER 15 A Windshield wipers and washer
10 WIPER 25 A Windshield wipers and washer
11 WIPER RR 15 A Windshield wipers and washer
12 P/W 30 A Power window
Page 433 of 556

5
When trouble arises
433
5-2. Steps to take in an emergency
If a war ning light turns on or a war ning buzzer sounds
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact your
Toyota dealer.
*: Brake system warning buzzer: When there is a possible problem that could affect braking performance, the
warning light will come on and a warning buzzer will sound.
Parking brake engaged warning buzzer:
P. 446
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Brake system warning light in red (warning buzzer)*
• Low brake fluid
• Malfunction in the brake system This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
Calmly perform the following actio ns if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to o ccur, have the vehicle inspected by
your Toyota dealer.
Page 443 of 556
5
When trouble arises
443
5-2. Steps to take in an emergency
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and
perform the following actions:
Multi-information display
Warning message details and/
or correction procedures are
shown on the multi-informa-
tion display.
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
If any of the warning lights co mes on again after the following
actions have been performed, c ontact your Toyota dealer.
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5
When trouble arises
449
5-2. Steps to take in an emergency
(Flashes)
Indicates that the
hybrid battery (trac-
tion battery) power
has dropped because
a long period of time
has elapsed after
shifting the shift lever
to N
A buzzer also sounds. Shift the shift lever to P
and restart the hybrid
system when starting
the vehicle.
(Flashes) Indicates that the
driver’s door was
opened with the shift
position in N, D or B
A buzzer also sounds. Shift the shift lever to P.
(Flashes) Indicates that the
accelerator pedal is
depressed while the
shift position is in N
A buzzer also sounds. Release the accelera-
tor pedal and shift the
shift lever to D, B or R.
(Flashes) Indicates that the
engine switch is
turned to the “ACC”
or “LOCK” position
(vehicles without a
smart key system) or
the “POWER” switch
is turned to ACCES-
SORY mode or turned
off (vehicles with a
smart key system)
and the driver's door
is opened while the
lights are turned on
A buzzer also sounds. Turn the lights off.
Warning messageDetailsCorrection procedure
Page 551 of 556

551
Alphabetical index
Switch
Cruise control ....................... 215
“ECO MODE” switch ............ 174
Emergency flasher switch .... 426
EV drive mode switch ........... 170
Engine switch ............... 158, 162
Fog light switch..................... 206
Hazard light switch ............... 426
Headlight switch ................... 202
Ignition switch ............... 158, 162
Light switches ....................... 202
Power door lock switch........... 65
“POWER” switch .................. 162
Power window switch ............. 98
Rear window wiper and
washer switch .................... 212
Steering wheel audio
switches ............................. 286
Window lock switch ................ 98
Wiper and washer ........ 208, 212
Tail lights Replacing light bulbs ............ 413
Switch ................................... 202
Wattage ................................ 501
Theft deterrent system Immobilizer system............... 110
Theft prevention labels ......... 112
Theft prevention labels ........... 112
Tire inflation pressure ............ 390
Tire information Glossary ............................... 512
Size ...................................... 508
Tire identification number ..... 507
Uniform tire quality grading ............................... 509 Tires
Chains ...................................230
Checking ...............................382
If you have a flat tire ..............459
Inflation pressure...................390
Inflation pressure sensor .......383
Information ............................505
Replacing ..............................459
Rotating tires .........................382
Size .......................................500
Snow tires .............................230
Spare tire...............................459
Tire pressure warning system ........................382, 435
Tools .........................................459
Total load capacity...................229
Towing Dinghy towing........................236
Emergency towing.................427
Trailer towing.........................235
TRAC .........................................219
Traction control........................219
Transmission Hybrid transmission...............173
If the shift lever cannot be shifted from P................. 473
Trip information .......................185
Trip meter .................................179
Turn signal lights Replacing light bulbs .............413
Switch....................................176
Wattage .................................501
USB memory ....................266, 274
T
U
Page 552 of 556

552 Alphabetical index
Vanity mirrors........................... 331
Vehicle data recordings ............18
Vehicle identification number ................................... 493
Vehicle stability control........... 219
VSC............................................ 219
Warning buzzers
Brake system ........................ 433
Electric power steering system ................................ 434
Key reminder ......................... 451
Master warning...................... 435
Seat belt reminder ................. 435
Warning lights Anti-lock brake system .......... 434
Brake assist system .............. 434
Brake system ........................ 433
Charging system .... ............... 434
Electric power steering system ................................ 434
Front passenger occupant
classification system ........... 434
Low brake fluid ...................... 433
Low fuel level ........................ 435
Low tire inflation pressure ..... 435
Malfunction indicator lamp .... 434
Master warning light .............. 435 Pretensioners ........................ 434
Seat belt reminder light ......... 435
Slip indicator light .................. 434
SRS airbag system ............... 434
Tire pressure ......................... 435
Tire pressure warning
system ................................ 435
Warning messages
Back door .............................. 446
Cruise control ........................ 445
EV drive mode ...................... 446
Hybrid system ....................... 444
Hybrid system overheat ........ 446
Maintenance ......................... 446
Moon roof .............................. 446
N position .............................. 446
Open door ............................. 446
P position .............................. 446
Parking brake ........................ 446
Smart key system ......... 445, 451
Traction battery ..................... 446
Washer Checking ............................... 376
Preparing and checking
before winter ....................... 230
Switch ........................... 208, 212
Washing and waxing ............... 344
Weight Cargo capacity ...................... 224
Load limits ............................. 229
Weight ................................... 492
Wheels ...................................... 394
Window lock switch................... 98V
W
Page 555 of 556
555
What to do if...
■
Warning lights
P. 434
or
P. 4 3 3P. 434
P. 4 3 4P. 434
orP. 435
P. 4 3 4
P. 435
P. 4 3 4
P. 435
orP. 435
P. 4 3 4
*: Slip indicator comes on.
Brake system warning
light
(red indicator)Electric power steering system
warning light
Slip indicator light*
Charging system warning
lightBrake system warning light
(yellow indicator)
Malfunction indicator
lampLow fuel level warning
light
Driver’s and front pas-
senger’s seat belt
reminder light
SRS warning light
Master warning light
ABS warning light
Tire pressure warning
light