2023 TOYOTA PRIUS PRIME coolant level

5688-2. Steps to take in an emergency
To prevent the shift lever from being
operated incorrectly or the vehicle
from moving unexpectedly, a mes-
sage that requires shifting the shift
position may be displayed on the
multi-information display.
In that case, follow the instruction of
the message and shift the shift posi-
tion.
●If a message or image about an
open/close state of a part or
replenishment of a consumable is
shown
Confirm the part indicated by the
multi-information di splay or a warn-
ing light, and then perform the cop-
ing method such as closing the
open door or replenishing a con-
sumable.
■If a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the
multi-information di splay is malfunc-
tioning. Have the vehicle inspected
by your Toyota dealer immediately.
■If a message that indicates the
need for referring to Owner’s
Manual is displayed
●If “Engine Coolant Temp High” is
shown, follow the instructions,
accordingly. ( P.594)
●If the following messages are
shown, there may be a malfunc-
tion. Immediately have the vehi-
cle inspected by your Toyota
dealer.
• “Plug-in Charging System Mal-
function”
• “Hybrid System Malfunction”
• “Check Engine”
• “Traction battery system malfunc- tion”
• “Accelerator System Malfunction”
• “Smart Key System malfunction”
• “Shift System Malfunction Apply Parking Brake Se curely When
Parking See Owner’s Manual” • “P Switch Malfunction Apply Park-
ing Brake Securely When Parking
See Owner’s Manual”
• “Shift System Unavailable Apply Parking Brake Securely When
Parking See Owner’s Manual”
• “Shift System Malfunction See Owner’s Manual”
• “Shift System Malfunction Stop in
a Safe Place See Owner’s Man-
ual”
• “Battery Low Shifting Unavailable
See Owner’s Manual”
●If the following messages are
shown, there may be a malfunc-
tion. Immediately stop the vehicle
in a safe place and contact your
Toyota dealer. Continuing to drive
the vehicle may be dangerous.
• “Oil pressure low”
• “Braking Power Low”
●If any of the following messages
are shown on the multi-informa-
tion display, the vehicle may have
run out of fuel. Stop the vehicle in
a safe place and, if the fuel level is
low, refuel the vehicle.
• “Hybrid system stopped”
• “Engine stopped No Fuel”
●If “12-Volt Battery Charging Sys-
tem Malfunction Stop in a Safe
Place See Owner’s Manual” is
shown
Indicates a malfunction in the vehi-
cle’s charging system. Pull over and
stop the vehicle as soon as it is safe
to do so.
While the message is displayed, the
functions of the air conditioning, etc.
may be partially lim ited in order to
reduce the power consumption of
the 12-volt battery.
■If “Traction battery needs to be
protected. Refrain from the use
of N position.” is shown
This message may be displayed
when the shift position is in N.
As the hybrid battery (traction bat-
tery) can not be charged when the

5948-2. Steps to take in an emergency
■If the high coolant tempera-
ture warning light comes on
or flashes 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 the steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the hybrid system has
cooled down sufficiently,
inspect the hoses and radia-
tor core (radiator) for any
leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4The coolant level is satisfac-
tory if it is between the “MAX”
and “MIN” lines on the reser-
voir.
Reservoir
“MAX” line
“MIN” line
If your vehicle over-
heats
The following may indicate
that your vehicle is over-
heating.
The high coolant tempera-
ture warning light ( P.556)
comes on or flashes, 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
A
B
A
B
C

5958-2. Steps to take in an emergency
8
When trouble arises
5Add coolant if necessary.
Water can be used in an emer-
gency if engine coolant is unavail-
able.
If water was added in an emer-
gency, have the vehicle inspected
at your Toyota dealer as soon as
possible.
6Start the hybrid system and
turn the air conditioning sys-
tem on to check that the radi-
ator cooling fan operates and
to check for coolant leaks
from the radiator or hoses.
The fan operates when the air con-
ditioning system is turned on imme-
diately after a cold start. Confirm
that the fan is operating by check-
ing 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 oper-
ate in freezing temperatures.)
7If the fan is not operating:
Stop the hybrid system
immediately and contact your
Toyota dealer.
If the fan is operating:
Have the vehicle inspected at
the nearest Toyota dealer.
8 Check if “Engine Coolant
Temp High Stop in a Safe
Place See Owner’s Manual” is shown on the multi-infor-
mation display.
If the message does not disappear:
Stop the hybrid system and contact
your Toyota dealer.
If the message is not displayed:
Have the vehicle inspected at the
nearest Toyota dealer.
■If “Hybrid System Over-
heated Output Power
Reduced” is shown on the
multi-information display
1 Stop the vehicle in a safe
place.
2 Stop the hybrid system and
carefully lift the hood.
3 After the hybrid system has
cooled down, inspect the
hoses and radiator core (radi-
ator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4The coolant level is satisfac-
tory if it is between the “MAX”
A
B

6139-1. Specifications
9
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked
for three hours or more, or has not been driven
more than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a
tire may be inflated, shown on the sidewall of
the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of hybrid
transmission, power steering, power brakes,
power windows, power seat s, radio and heater,
to the extent that these items are available as
factory-installed equipment (whether installed or
not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air con-
ditioning and additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight
150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
* that
follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim

Alphabetical Index663
Vehicle identification number600
Vehicle Stability Control (VSC)............................................... 424
Ventilators (seat ventilators) . 444
VSC (Vehicle Stability Control) ............................................... 424
W
Warning buzzers Brake hold ............................ 561
Brake Override System ........ 560
Brake system ....................... 555
Drive-Start Control ............... 560
Electric power steering ......... 558
High coolant temperature ..... 556
Intuitive parking assist OFF indi-
cator ................................... 560
Intuitive parking assist .......... 368
Low engine oil pressure ....... 556
LTA (Lane Tracing Assist).. 305, 558
Open door ............................ 189
Open hood ........................... 189
PKSB.................................... 560
Pre-collision warning ............ 293
Seat belt reminder ................ 562
Warning lights ABS ...................................... 557
Brake hold operated indicator........................................... 561
Brake system ....................... 555
Charging system .................. 555
Cruise control indicator ........ 559
Driving assist information indica- tor ....................................... 559
Dynamic radar cruise control indicator.............................. 559
Electric power steering ......... 558
High coolant temperature ..... 556
Hybrid system overheat ....... 556
Inappropriate pedal operation ........................................... 560 Intuitive parking assist OFF indi-
cator ...................................560
LDA indicator ........................558
Low engine oil pressure .......556
Low fuel level........................562
LTA indicator ........................558
Malfunction indica tor lamp ....556
Parking brake indicator.........561
PCS ......................................558
PDA indicator .......................559
Seat belt reminder light ........562
Slip indicator .........................560
SRS ......................................557
Tire pressure ........................561
Warning messages .................566
Warning reflector storage space ...............................................455
Washer.....................................275 Camera washer ....................275
Checking ..............................510
Low washer fluid warning mes-sage............................510, 566
Preparing and checking before winter ..................................429
Switch ...................................275
Washing and waxing ..............486
Weight Cargo capacity .............246, 249
Load limits ............................249
Weight ..................................600
Wheels .....................................534 Replacing wheels .................534
Size ......................................605
Window glasses......................227
Window lock switch ...............229
Windows Power windows ....................227
Rear window defogger .........436
Washer .................................275
Windshield defogg er ..............435
Windshield de-icer..................439
Windshield wipers