Page 473 of 560

4737-2. Steps to take in an emergency
7
When trouble arises
■If the engine coolant tem-
perature gauge shows the
red zone or “Engine Cool-
ant Temp High Stop in a
Safe Place See Owner’s
Manual” is shown on the
multi-information display
1 Stop the vehicle in a safe
place and turn off the air con-
ditioning system, and then
stop the hybrid system.
2 If you see steam:
Carefully lift the hood after
NOTICE
■To prevent damaging the
vehicle
The exclusive jump starting termi-
nal is to be used when charging
the 12-volt battery from another
vehicle in an emergency. It cannot
be used to jump start another
vehicle.
If your vehicle over-
heats
The following may indicate
that your vehicle is over-
heating.
The engine coolant tem-
perature gauge ( P.90, 94)
shows the red zone or a
loss of hybrid system power
is experienced. (For exam-
ple, the vehicle speed does
not increase.)
“Engine Coolant Temp High
Stop in a Safe Place See
Owner’s Manual” or “Hybrid
System Overheated Output
Power Reduced” is shown
on the multi-information dis-
play.
Steam comes out from
under the hood.
Correction procedures
Page 484 of 560

4848-1. Specifications
If replacement is necessary, contact your Toyota dealer.
*: The fluid capacity is the quantity of reference.
If replacement is necessary, contact y our Toyota dealer.
Ignition system (spark plug)
MakeDENSO FC16HR-Q8
Gap0.031 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.
Electrical system (12-volt Battery)
Open voltage at 68°F (20°C):
12.0 V or higher
(Turn the power switch to OFF and turn on
the high beam headlights for 30 seconds.)
If the voltage is lower than the standard
value, charge the battery.
Charging ratesQuick charge15 A max.
Slow charge5 A max.
Hybrid transmission
Fluid capacity*4.1 qt. (3.9 L, 3.4 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than the above type may cause ab normal
noise or vibration, or ultimately damage the transmission of yo ur vehicle.
Rear differential (rear electric motor)
Fluid capacity*1.8 qt. (1.7 L, 1.5 Imp.qt.)
Fluid typeToyota Genuine ATF WS
Page 545 of 560

Alphabetical Index545
Turn signal lever................... 212
U
USB Type-C charging ports .. 354
Utility vehicle precautions ..... 316
V
Vanity lightsVanity lights .......................... 353
Vanity mirrors ......................... 353
Vehicle data recordings ............. 7
Vehicle identification number480
Vehicle Stability Control (VSC) ............................................... 306
Ventilators (seat ventilators) . 337
VSC (Vehicle Stability Control) ............................................... 306
W
Warning buzzers Approach warning ................ 272
Brake hold ............................ 446
Brake Override System ........ 445
Brake system ....................... 441
Downshifting......................... 211
Drive-Start Control ............... 445
Electric power steering ......... 443
High coolant temperature ..... 442
Intuitive parking assist OFF indi-cator ................................... 444
Intuitive parking assist .......... 287
Low engine oil pressure ....... 442
LTA (Lane Tracing Assist).... 250
LTA indicator ........................ 444
Open door ............................ 140
Open hood ........................... 140
PKSB OFF indicato r ............. 444
PKSB.................................... 445
Pre-collision warning ............ 239
RCTA (Rear Cross Traffic Alert) ...........................................278
RCTA OFF indicator .............445
Seat belt reminder ................447
Vehicle sway warning ...........255
Warning lights ABS ......................................443
Brake hold operated indicator...........................................446
Brake Override System ........445
Brake system ........................441
Charging system ..................441
Drive-Start Control ................445
Electric power steering .........443
Engine ..................................442
High coolant temperature .....442
Intuitive parking assist OFF indi- cator ...................................444
Low engine oil pressure .......442
Low fuel level........................446
LTA indicator ........................444
Malfunction indica tor lamp ....442
Parking brake indicator.........446
PCS warning light .................443
PKSB (Parking Support Brake) ...........................................445
PKSB OFF indicator .............444
RCTA OFF indicator .............445
Seat belt reminder light ........447
Slip indicator .........................445
SRS ......................................442
Tire pressure ...... ..................446
Warning messages .................451
Washer Checking ..............................396
Low washer fluid warning mes-sage............................396, 451
Preparing and checking before winter ..................................313
Switch ...........................226, 229
Washing and waxing ..............372
Weight Cargo capacity .............195, 198