Page 497 of 624

4977-2. Steps to take in an emergency
7
When trouble arises
If a warning light turns on or a war ning
buzzer sounds
Calmly perform the following actions if any of the warning ligh ts
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 occur, have the vehicle
inspected by your Toyota dealer.
Warning light and w arning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Red)
(Canada)
Brake system warning light
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
(Yellow)
Brake system warning light
Indicates a malfunction in:
• The regenerative braking system;
• The electronically controlled brake system; or
• The electric parking brake
Have the vehicle inspected by your Toyota dealer
immediately.
High coolant temperature warning light (warning
buzzer)
*1
Indicates that the engine coolant temperature is too high
Immediately stop the vehicle in a safe place.
Handling method ( P. 537)
Charging system warning light*1
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Low engine oil pressure warning light (warning
buzzer)
*1
Indicates that the engine oil pressure is too low
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Page 509 of 624

5097-2. Steps to take in an emergency
7
When trouble arises
■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
shown on the multi-information display.
● Malfunction in the ABS
The ABS warning light comes on. ( P. 498)
● Malfunction in the brake system
The brake system warning light (yellow) comes on. ( P. 497)
● Malfunction in the tire pressure warning system
The tire pressure warning light comes on. ( P. 501)
● Remaining fuel level is low
The low fuel level warning light comes on. ( P. 500)
■ If a message instructing to refer to the Owner’s Manual is disp layed
● If the following messages are shown, there may be a malfunction .
Immediately stop the vehicle in a safe place and contact your T oyota dealer.
Continuing to drive the vehicle may be dangerous.
• “Low Braking Power Stop in a Safe Place See Owner’s Manual”
• “Oil Pressure Low Stop in a Safe Place See Owner’s Manual”
• “Charging System Malfunction Stop in a Safe Place See Owner’s Man-
ual”
● If the following message is shown, there may be a malfunction.
Immediately have the vehicle inspected by your Toyota dealer.
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Key System Malfunction See Owner’s Manual”
● If “Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” is
displayed, follow the instructions accordingly. ( P. 537)
● If “Maintenance Required for Traction Battery Cooling Parts See Owner’s
Manual” is displayed, follow the instructions accordingly. ( P. 510)
Page 538 of 624
5387-2. Steps to take in an emergency
The coolant level is satisfactory
if it is between the “F” and “L”
lines on the reservoir.Reservoir
“F” line
“L” line
Radiator cap
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
check that the radiator cooling fan operates and to check for c ool-
ant leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fan is operating by checking the fan
sound and air flow. If it is difficult to check these, turn the air conditioning
system on and off repeatedly. (The fan may not operate in freez ing tem-
peratures.)
If the fan is not operating:
Stop the hybrid system immediatel y and contact your Toyota dealer.
If the fan is operating:
Have the vehicle ins pected at the nearest Toyota dealer.
4
1
2
3
4
5
6
7
Page 539 of 624
5397-2. Steps to take in an emergency
7
When trouble arises
■If “Hybrid System Overheated Output Power Reduced” is
shown on the multi-information display
Stop the vehicle in a safe place.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has
cooled down, inspect the
hoses and radiator core
(radiator) for any leaks. Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact
your Toyota dealer.
The coolant level is satisfac-
tory if it is between the
“FULL” and “LOW” lines on
the reservoir.Reservoir
“FULL”
“LOW”
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
1
2
3
1
2
4
1
2
3
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Page 602 of 624

602Alphabetical index
Engine coolantCapacity ................................ 548
Checking ............................... 436
Preparing and checking before winter....................... 360
Engine coolant temperature gauge...................................... 100
Engine oil Capacity ................................ 547
Checking ............................... 433
Preparing and checking before winter....................... 360
Engine switch .......................... 206
Enhanced VSC ......................... 303
EPS (Electric Power Steering)...... 304
Warning light ......................... 499
EV drive mode.......................... 213
Event data recorder (EDR) .......... 9
Exclusive jump starting terminal .................................. 530
Flat tire...................................... 513
Floor mats .................................. 24
Fluid Brake .................................... 549
Hybrid transmission .............. 549
Washer ................................. 439
Front interior light ................... 379
Front passenger occupant classification system .............. 47
Front passenger’s seat belt reminder light ................. 500
Front personal lights ............... 380
Front seats ............................... 171 Adjustment ............................ 171
Cleaning................................ 416
Correct driving posture ........... 26
Head restraints ..................... 175
Seat heaters ......................... 375
Seat ventilators ..................... 375 Front side marker lights
Light switch ........................... 230
Replacing light bulbs .... 478, 486
Wattage ................................ 552
Front turn signal lights Replacing light bulbs .... 477, 486
Turn signal lever ................... 222
Wattage ................................ 552
Fuel Capacity................................ 546
Fuel gauge............................ 100
Information............................ 553
Refueling .............................. 242
Type.............................. 546, 553
Warning light......................... 500
Fuel consumption ................... 145
Fuel filler door ......................... 242
Refueling .............................. 242
When the fuel filler door cannot be opened .............. 245
Fuses ........................................ 473
Garage door opener ................ 403
Gauges ..................................... 100
Glove box ................................. 382
Grocery bag hooks.................. 387
Hands-free system (for cellular phone)
*
Head restraints ........................ 175
Head-up display....................... 136
Headlights ................................ 230
Automatic headlight leveling ............................... 233
Automatic High Beam ........... 234
Light switch ........................... 230
Replacing light bulbs ............ 486
Windshield wiper linked
headlight illumination.......... 233
FG
H