
4997-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_en
7
Maintenance and care
1 Turn the power switch off.
Confirm that the charging connec-
tor is not connect ed. Also, do not
use the Remote Air Conditioning
System during the procedure.
2 Open the fuse box cover.
Motor compartment
Push the tab in and lift the lid off.
Left side instrument panel
Remove the lid.
3Remove the fuse.
Only type A fuse can be removed
using the pullout tool.
4Check if the fuse is blown.
Replace the blown fuse with a new
fuse of an appropriate amperage
rating. The amperage rating can be
found on the fuse box lid.
Type A
Normal fuse
Blown fuse
Type B
Normal fuse
Checking and replac-
ing fuses
If any of the electrical com-
ponents do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses

5088-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
From the front (AWD models)
Use a towing dolly under the
rear wheels.
From the rear
Use a towing dolly under the
front wheels.
WARNING
Observe the following precau-
tions. Failure to do so may result
in death or serious injury.
■When towing the vehicle
2WD models
Be sure to transp ort the vehicle
with the front wheels raised or
with all four wheels raised off the
ground. If the vehicle is towed
with the front wheels contacting
the ground, the drivetrain and
related parts may be damaged or
electricity generated by the opera-
tion of the motor may cause a fire
to occur depending on the nature
of the damage or malfunction.

5238-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
■If “Regenerative Braking Lim-
ited Press Brake to Decelerate”
is displayed
Regenerative br aking may be
restricted in the following situations.
Firmly depress the brake pedal to
decelerate the vehicle.
●When electrical energy cannot be
regenerated any more as the trac-
tion battery is fully charged
●When the temperature of the trac-
tion battery is extremely high or
extremely low
●When the temperature of the elec-
tric motor or power control unit,
etc., is extremely high
■If “High Power Consumption
Power to Climate Temporarily
Limited” is displayed
Turn off unnecessary electronic
equipment to reduce power con-
sumption.
Please wait until th e power supply
returns to normal.
■If “Headlight System Malfunc-
tion Visit Your Dealer” is dis-
played
The following systems may be mal-
functioning. Have the vehicle
inspected by your Toyota dealer
immediately.
●The LED headlight system
●Automatic High Beam
■If “System Malfunction Visit
Your Dealer” is displayed
Indicates one of the following sys-
tems is disabled.
●PCS (Pre-Collis ion System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●RSA (Road Sign Assist)
●BSM (Blind Spot Monitor) (if
equipped)
●RCTA (Rear Cross Traffic Alert) (if
equipped)
●SEA (Safe Exit Assist) (if
equipped)
●Intuitive parking assist (if
equipped)
●PKSB (Parking Suppor t Brake) (if
equipped)
●RCD (Rear Camera Detection) (if
equipped)
Have the vehicle inspected by your
Toyota dealer immediately.
■If “System Stopped See
Owner’s Manual” is displayed
Indicates one of the following sys-
tems is disabled.
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●RSA (Road Sign Assist)
●BSM (Blind Spot Monitor) (if
equipped)
●RCTA (Rear Cross Traffic Alert) (if
equipped)
●SEA (Safe Exit Assist) (if
equipped)
●Intuitive parking assist (if
equipped)
●PKSB (Parking Suppor t Brake) (if
equipped)
●RCD (Rear Camera Detection) (if
equipped)
Follow the following correction
methods.
• Check the voltage of the battery
• Remove any dirt or foreign matter from the front/rear side radar sen-
sors

5519-1. Specifications
Owners Manual_USA_M42C01_en
9
Vehicle specifications
This number is also on the Certi-
fication Regulation Label.
■Motor model type and
motor number
The motor model type and the
motor number are stamped on the motor as shown.
Front electric motor (traction
motor)
Rear electric motor (traction
motor) (AWD models)
Front electric mot
or (traction motor)
Model2WD1XM
AWD1YM
Ty p ePermanent magnet synchronous motor
Maximum output2WD150 kW
AWD80 kW
Maximum torque2WD196.4 ft•lbf (266.3 N•m, 27.2 kgf•m)
AWD124.3 ft•lbf (168.5 N•m, 17.2 kgf•m)

5529-1. Specifications
Owners Manual_USA_M42C01_en
*1: 2WD models
*2: AWD models
*1: The coolant capacity is the quantity of reference.
If replacement is ne cessary, contact your Toyota dealer.
*2: 2WD models
*3: AWD models
Rear electric motor (traction motor) (AWD models)
Model1YM
Ty p ePermanent magnet synchronous motor
Maximum output80 kW
Maximum torque124.3 ft•lbf (168.5 N•m, 17.2 kgf•m)
Traction battery
Ty p eLithium-ion battery
Voltage3.7 V/cell
Capacity201 Ah*1
205 Ah*2
Quantity96 cells
Nominal voltage355.2 V
Cooling system
Capacity*16.2 qt. (5.9 L, 5.2 Imp. qt.)*2
7.8 qt. (7.4 L, 6.5 Imp. qt.)*3
Coolant type
Use either of the following:
• “Toyota Genuine Tra ction Battery Cool-
ant”
• Similar high-quality ethylene glycol- based, low electric conductivity coolant,
non-amine and non-b orate coolant with
azole additives.
Do not use plain water alone.

5539-1. Specifications
Owners Manual_USA_M42C01_en
9
Vehicle specifications
NOTICE
■Cooling system coolant
In order to ensure maximum perfor mance of the traction battery cooling
system and limit risks of battery short-circuit and other damag e to your
vehicle, Toyota recommends using “Toyota Genuine Traction Battery
Coolant” or similar high-quality ethylene glycol-based, low electric con-
ductivity coolant, non-amine and non-borate coolant with azole additives.
Toyota cannot guarantee that th e use of a product other than “Toyota
Genuine Traction Battery Cool ant” will prevent risks of battery short-circuit
or other damage.
Never use water as it will cause damage.
Do not reuse coolant that has been removed from the radiator.
Heater system
Capacity4.2 qt. (4.0 L, 3.5 Imp. qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol- based non-silicate , non-amine, non-
nitrite, and non-borate coolant with long-
life hybrid organic acid technology
Do not use plain water alone.
Electrical system ( 12-volt battery)
Specific voltage reading at
68°F (20°C):
12.0 V or More
In the case the voltage is less than stan-
dard, charge battery.
(Voltage is checked 20 minutes after the
motor and all lights turned off.)
Charging rates5 A max.

Owners Manual_USA_M42C01_en
Alphabetical Index601
Battery Electric Vehicle driving tips........................................ 81
Break-in tips ......................... 220
Correct posture ...................... 27
Procedures ........................... 219
Winter drive tips ................... 393
Driving assist information Warning light ........................ 517
Driving information display ... 157
Driving range .......................... 152
Driving support system informa- tion display ........................... 157
Dynamic radar cruise control ....................................... 288, 296Approach warning ................ 294
Curve speed redu ction function
........................................... 295
Warning lights....................... 518
E
ECB (Electronically Controlled Brake System) ...................... 387Warning light ........................ 513
Eco mode ................................ 241
EDR (Event data recorder)......... 9
Elapsed time ........................... 158
Electric motor (traction motor) Location.................................. 72
Electric motor(traction motor) Identification number ............ 551
Electric Power Steering (EPS) Function ............................... 387
Warning light ........................ 515
Electric Vehicle system features ................................................. 72
Electric Vehicle system precau-
tions......................................... 76
Electronic key Battery-saving function......... 188
If the electronic key does not operate properly ................. 539
Replacing the battery ........... 497 Electronic sunshade ..............426
Operation..............................426
Electronically Controlled Brake System (ECB) ........................387Warning light.........................513
Emergency Driving Stop System ...............................................299
Emergency flashers ...............504
Emergency tire puncture repair kit ...........................................527Storage location ...................528
Emergency, in case of If a warning buzzer sounds ..513
If a warning light turns on .....513
If a warning message is dis-played .................................522
If the 12-volt battery is dis- charged ..............................541
If the electronic key does not operate properly .................539
If the EV system will not start537
If the vehicle is submerged or water on the road is rising ..506
If you have a flat tire .............527
If you lose your keys.............539
If you think something is wrong ........................................... 511
If your vehicle becomes stuck ...........................................547
If your vehicle has to be stopped in an emergency .................505
If your vehicle needs to be towed ...........................................507
If your vehicle ove rheats ......545
Engine Hood .....................................462
EPS (Electric Po wer Steering)
Function................................387
Warning light.........................515
EV system .................................72 ACC ......................................234
Acoustic Vehicle Alerting System

602Alphabetical Index
Owners Manual_USA_M42C01_en
............................................. 74
Battery Electric Vehicle driving tips........................................ 81
Brake Override System ........ 220
Drive-start control ................. 224
Driving range .......................... 83
Electric Vehicle system precau- tions...................................... 76
Emergency shut off system .... 80
Features ................................. 72
How to start the EV system .. 231
How to use AC charging....... 105
How to use DC charging ...... 113
If the EV system will not start537
If your vehicle has to be stopped in an emergency................. 505
Ignition switch (power switch) ........................................... 231
Overheating.......................... 545
Power meter ......................... 152
Power switch ........................ 231
Regenerative braking ............. 73
Starting the EV system......... 231
Event data recorder (EDR)......... 9
F
Flat tire .................................... 527 Tire pressure warning system........................................... 474
Floor mats ................................. 26
Fluid Brake .................................... 554
Front eAxle ........................... 554
Rear eAxle ........................... 554
Washer ................................. 471
Fog light Replacing light bulbs ............ 502
Footwell lights ..... ................... 415
Front eAxle Fluid ..................................... 554
Front electric mo tor (traction
motor) Specification .........................551
Front fog light Replacing light bulbs ............502
Front interior lig hts ................416
Front passenger occupant clas- sification system ....................44
Front seat concentrated airflow mode (S-FLOW) ....................408
Front seats ..............................192 Adjustment ...........................192
Cleaning ...............................451
Correct driving posture ...........27
Head restraints .....................196
Seat heaters ......................... 411
Seat ventilators..................... 411
Front side marker lights.........248 Light switch...........................248
Front turn signal lights Replacing light bulbs ............502
Turn signal lever ...................242
Fuses .......................................499
G
Garage door opene r ...............439
Gauges ....................................152
Grip Control ............................385
H
Head restraints .......................196
Headlights ...............................248 Automatic High Beam (AHB) 250
Light switch...........................248
Replacing light bulbs ............502
Headlights aim ........................501 Headlight aim instructions for Canadian owners ...............590
Heated steering wheel............ 411
Heater system Capacity ...............................553