Page 415 of 563
412 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 440 of 563

5
When trouble arises
437
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. 450
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 450 of 563
5
When trouble arises
447
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.
Page 456 of 563

5
When trouble arises
453
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 558 of 563

555
Alphabetical index
Switch
Cruise control ....................... 217
“ECO MODE” switch ............ 176
Emergency flasher switch .... 428
EV drive mode switch ........... 172
Engine switch ............... 160, 164
Fog light switch..................... 208
Hazard light switch ............... 428
Headlight switch ................... 204
Ignition switch ............... 160, 164
Light switches ....................... 204
Power door lock switch........... 65
“POWER” switch .................. 164
Power window switch ............. 98
Rear window wiper and
washer switch .................... 214
Steering wheel audio
switches ............................. 288
Window lock switch ................ 98
Wiper and washer ........ 210, 214
Tail lights Replacing light bulbs ............ 415
Switch ................................... 204
Wattage ................................ 505
Theft deterrent system Immobilizer system............... 110
Theft prevention labels ......... 113
Theft prevention labels ........... 113
Tire inflation pressure ............ 392
Tire information Glossary ............................... 516
Size ...................................... 512
Tire identification number ..... 511
Uniform tire quality grading ............................... 513 Tires
Chains ...................................231
Checking ...............................384
If you have a flat tire ..............463
Inflation pressure...................392
Inflation pressure sensor .......385
Information ............................509
Replacing ..............................463
Rotating tires .........................384
Size .......................................504
Snow tires .............................231
Spare tire...............................463
Tire pressure warning system ........................384, 439
Tools .........................................463
Total load capacity...................230
Towing Dinghy towing........................236
Emergency towing.................431
Trailer towing.........................235
TRAC .........................................221
Traction control........................221
Transmission Hybrid transmission...............175
If the shift lever cannot be shifted from P................. 477
Trip information .......................187
Trip meter .................................181
Turn signal lights Replacing light bulbs .............415
Switch....................................178
Wattage .................................505
USB memory ....................268, 276
T
U
Page 559 of 563

556 Alphabetical index
Vanity mirrors........................... 333
Vehicle data recordings ............18
Vehicle identification number ................................... 497
Vehicle Proximity Notification
System ....................................25
Vehicle stability control........... 221
VSC............................................ 221
Warning buzzers Brake system ........................ 437
Electric power steering system ................................ 438
Key reminder ......................... 455
Master warning...................... 439
Seat belt reminder ................. 439
Warning lights Anti-lock brake system .......... 438
Brake assist system .............. 438
Brake system ........................ 437
Charging system .... ............... 438
Electric power steering
system ................................ 438
Front passenger occupant classification system ........... 438
Low brake fluid ...................... 437
Low fuel level ........................ 439
Low tire inflation pressure ..... 439
Malfunction indicator lamp .... 438
Master warning light .............. 439 Pretensioners ........................ 438
Seat belt reminder light ......... 439
Slip indicator light .................. 438
SRS airbag system ............... 438
Tire pressure ......................... 439
Tire pressure warning
system ................................ 439
Warning messages
Back door .............................. 450
Cruise control ........................ 449
EV drive mode ...................... 450
Hybrid system ....................... 448
Hybrid system overheat ........ 450
Maintenance ......................... 450
Moon roof .............................. 450
N position .............................. 450
Open door ............................. 450
P position .............................. 450
Parking brake ........................ 450
Smart key system ......... 449, 455
Traction battery ..................... 450
Washer Checking ............................... 378
Preparing and checking
before winter ....................... 231
Switch ........................... 210, 214
Washing and waxing ............... 346
Weight Cargo capacity ...................... 226
Load limits ............................. 230
Weight ................................... 496
Wheels ...................................... 396
Window lock switch................... 98V
W
Page 562 of 563
559
What to do if...
■
Warning lights
P. 438
or
P. 4 3 7P. 438
P. 4 3 8P. 438
orP. 439
P. 4 3 8
P. 439
P. 4 3 8
P. 439
orP. 439
P. 4 3 8
*: 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