Page 401 of 548
401
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Under the instrument panel
FuseAmpereCircuit
1 ECU-IG1 NO.2 10 A Shift lock control system, seat
heaters, smart key system, tire
pressure warning system, multiplex
communication system, audio sys-
tem, navigation system, moon roof,
auto anti-glare inside rear view mir-
ror, air conditioning system
2 ECU-IG1 NO.1 10 A Electronically controlled brake sys-
tem, electric cooling fans, stop
lights, steering sensor, Vehicle
Proximity Notification System, rear
window defogger, outside rear view
mirror defogger, back-up lights,
audio system, navigation system
3 PANEL 10 A Switch illumination, air condition-
ing system, shift lever light, glove
box light, audio system, navigation
system, personal lights, interior
lights
4 TAIL 15 A Parking lights, side marker lights,
tail lights, license plate lights, fog
lights
Page 402 of 548
402 4-3. Do-it-yourself maintenance
5 EPS-IG17.5 A Electric power steering
6 ECU-IG1 NO.3 7.5 A Blind Spot Monitor
7 S/HTR&FAN
F/L 10 A Seat heaters
8 H-LP LVL 7.5 A No circuit
9 WASHER 10 A Windshield wipers and washer
10 A/C-IG1 7.5 AAir conditioning system, PTC
heater
11 WIPER 25 A Windshield wipers and washer
12 BKUP LP 7.5 A No circuit
13 DOOR NO.1 30 A Power windows
14 WIPER-S 5 A No circuit
15 P/OUTLET RR 20 A Power outlet
16 SFT LOCK-
ACC 5 A No circuit
17 DOOR R/R 20 A Rear right-hand power windows
18 DOOR R/L 20 A Rear left-hand power windows
19 OBD 10 A On-board diagnosis system
20 ECU-B NO.2 10 A Smart key system, tire pressure
warning system
21 DOOR NO.2 20 A Power windows
22 AM1 7.5 A No circuit
23 STOP 7.5 ATail lights, electronically controlled
brake system, high mounted stop-
light, shift lock control system,
hybrid system, Vehicle Proximity
Notification System
24 P/SEAT RR 30 A No circuit
25 A/C-B 7.5 A Air conditioning system
FuseAmpereCircuit
Page 417 of 548
When trouble arises5
417
5-1. Essential informationEmergency flashers ......... 418
If your vehicle needs to be towed ............................. 419
If you think something is wrong ......................... 422 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 423
If a warning message is displayed........................ 433
If you have a flat tire......... 452
If the hybrid system will not start .......................... 464
If the shift lever cannot be shifted from P............ 466
If you lose your keys ........ 467
If the electronic key does not operate properly....... 468
If the vehicle’s 12-volt battery is discharged ...... 471
If your vehicle overheats ....................... 475
If the vehicle becomes stuck .............................. 480
If your vehicle has to be stopped in an
emergency ..................... 481
Page 423 of 548

5
When trouble arises
423
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. 436
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 424 of 548

424 5-2. Steps to take in an emergency
Stop the vehicle immediately.The following warning indicates the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Toyota dealer.
Have the vehicle inspected by your Toyota dealer immediately.Failing to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging system.
Low engine oil pressure warning light Indicates that the engine oil pressure is too low.
High engine coolant temper ature warning light (the
rightmost segment of the engine coolant temperature
display flashes) Indicates that the engine is almost overheating. ( P. 475)
Warning lightWarning light/Details
(U.S.A.)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system; or
• The electronic throttle control system; or
• The hybrid transmission control system.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The front passenger occupant classification system; or
• The seat belt pretensioner system.
Page 425 of 548
5
When trouble arises
425
5-2. Steps to take in an emergency
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system.
Brake system warning light in yellow
Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system.
(Comes on) Slip indicator light
Indicates a malfunction in:
• VSC system; or
• TRAC system; or
• Hill-start assist control.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS system.
■ Brake system warning light operation
Although depressing the brake pedal repeatedly may cause the red brake
system warning light to turn on and the buzzer to sound, this does not indi-
cate a malfunction.
Warning lightWarning light/Details
Page 426 of 548
426 5-2. Steps to take in an emergency
Follow the correction procedures.After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or the
trunk is not fully closed. Check that all doors and the
trunk are closed.
Low fuel level warning
light Indicates remaining fuel is
approximately 2.6 gal. (9.7
L, 2.1 Imp. gal.) or less. Refuel the vehicle.
Driver’s/front passen-
ger’s seat belt reminder
light (warning buzzer)
*2
Warns the driver/front pas-
senger to fasten his/her
seat belt. Fasten the seat belt.
Master warning light A buzzer sounds and the
warning light comes on
and flashes to indicate that
the master warning system
has detected a malfunc-
tion. P. 433
Page 427 of 548

5
When trouble arises
427
5-2. Steps to take in an emergency
*1: Open door warning buzzer:
P. 436
*2: Driver's seat belt buzzer:The driver's seat belt buzzer sounds to alert the driver that his or her seat
belt is not fastened. Once the “POWER” switch is turned to ON mode, the
buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20
km/h), the buzzer sounds once. If the seat belt is still unfastened after 30
seconds, the buzzer will sound intermittently for 10 seconds. Then, if the
seat belt is still unfastened, the buzzer will sound in a different tone for 20
more seconds.
Front passenger's seat belt buzzer:
The front passenger's seat belt buzzer sounds to alert the front passenger
that his or her seat belt is not fastened. The buzzer sounds once if the vehi-
cle reaches a speed of 12 mph (20 km/h). If the seat belt is still unfastened
after 30 seconds, the buzzer will sound intermittently for 10 seconds. Then, if
the seat belt is still unfastened, the buzzer will sound in a different tone for 20
more seconds.
(U.S.A. only) Tire pressure warning
light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (
P. 428)
• Flat tire ( P. 452) Adjust the tire inflation
pressure to the specified
level.
The light will turn off after
a few minutes. In case
the light does not turn off
even if the tire inflation
pressure is adjusted,
have the system checked
by your Toyota dealer.
When the light comes on
after blinking for 1 minute:
Malfunction in the tire
pressure warning system
( P. 430) Have the system checked
by your Toyota dealer.
Warning lightWarning light/DetailsCorrection procedure