
6658-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47D13U_(U)
8
When trouble arises
*1: Brake system warning buzzer:When  there  is  a  possible  problem  that  could  affect  braking  perf ormance,
the warning light will come on and a warning buzzer will sound.
*2: Low engine oil pressure warning buzzer: A buzzer also sounds continuously for approximately 30 seconds  at maxi-
mum  in  addition  to  the  low  engine  oil  pressure  warning  light  when  the
“READY” indicator is illuminated.
*3: Open door warning buzzer:  The  open  door  warning  buzzer  sounds  to  alert  one  or  more  of  the   doors  is
not fully closed (with the vehicle having reached a speed of 3  mph [5 km/h]).
*4: Driver’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the drive r 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
24 seconds, the buzzer will sound intermittently for 6 seconds. Then, if the
seat belt is still unfastened, the buzzer will sound in a diffe rent tone for 90
more seconds.
*5: Front passenger’s seat belt warning buzzer: The  front  passenger’s  seat  belt  warning  buzzer  sounds  to  alert  the  front
passenger  that  his  or  her  seat  belt  is  not  fastened.  The  buzzer   sounds
once if the vehicle reaches a speed of 12 mph (20 km/h). If the  seat belt is
still unfastened after 24 seconds, the buzzer will sound interm ittently for 6
seconds. Then, if the seat belt is still unfastened, the buzzer  will sound in a
different tone for 90 more seconds.
*6: Rear passengers’ seat belt warning buzzer: The  rear  passengers’  seat  belt  warning  buzzer  sounds  to  alert  t he  rear
passengers  that  his  or  her  seat  belt  is  not  fastened.  The  buzze r  sounds
intermittently  for  6  seconds  after  the  vehicle  reaches  a  speed  of  12  mph
(20 km/h). Then, if the seat belt is still unfastened, the buzz er will sound in
a different tone for 24 more seconds.
*7: This symbol is displayed on the multi-information display. 

6738-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47D13U_(U)
8
When trouble arises
■If “See Owner’s Manual” is shown
●If “Braking Power Low Stop in a Safe Place See Owner’s Manual”  is shown,
this may be a malfunction. Immediately stop the vehicle in a sa fe place and
contact  your Toyota  dealer.  Continuing  to  drive  the  vehicle  may  be  danger-
ous.
● If  “Engine  Oil  Pressure  Low”  is  shown,  this  may  be  a  malfunction.  Immedi-
ately stop the vehicle in a safe place and contact your Toyota  dealer.
● If  the  following  messages are  shown,  there  may  be  a  malfunction .  Immedi-
ately have the vehicle inspected by your Toyota dealer.
• “Plug-in charging system malfunction.”
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Key System Malfunction See Owner’s Manual”
■ If “Shift System Not A ctive Apply Parking Brake Securely While  Parking
See Owner’s Manual” is shown
Indicates a temporary operation failure or malfunction in the shift control sys-
tem. Immediately have the vehicle inspected by your Toyota deal er.
When  the  message  is  shown,  the  hybrid  system  may  not  be  started or the
shift position may not be changed normally. (Coping method:  P. 676)
■ If  “Shift  System  Malfunction A pply  Parking  Brake  Securely  While   Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
When  the  message  is  shown,  the  hybrid  system  may  not  be  started  or the
shift position may not be changed normally. (Coping method:  P. 676)
■ If  “   Switch  Malfunction Apply  Par king  Brake  Securely  While  Parking
See Owner’s Manual” is shown
The  P  position  switch  may  not  operate.  Immediately  have  the  veh icle
inspected by your Toyota dealer. 
When  parking  the  vehicle,  stop  the  vehicle  on  level  ground  and  apply  the
parking brake firmly.
■ If  “Shift  System  Malfunction  Shi fting  Unavailable  See  Owner’s  M anual”
is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer. 
The shift position may not be shifted from P to other than P.
■ If  “Shift  System  Malfunction  S top  in  a  Safe  Place  See  Owner’s  Manual”
is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer. 
The shift position may not be changed. Stop the vehicle in a sa fe place. 

PRIUS PRIME_OM_OM47D13U_(U)
7339-1. Specifications
9
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation 
pressure
Tire  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 
pressureThe  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  seats,  radio  and
heater, to the extent that these items are avail-
able  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
conditioning  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 
weight150 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 

PRIUS PRIME_OM_OM47D13U_(U)
7499-2. Customization
9
Vehicle specifications
■Charge settings
■Maintenance system
Charge scheduleSetting the charging timer: P. 158
Charge currentChanging  the  upper  limit  of  the  charging  cur-
rent:P. 129
Charging  connector  lock
(if equipped)Changing  the  charging  connector  lock  settings:
P. 124
Traction battery heaterSetting “Traction Battery Heater” on/off: 
P. 132
Oil Maintenance 
(U.S.A. only)Resetting  the  message  indicating  maintenance
is required:  P. 574
Tire pressure warning 
systemInitializing  the  tire  p ressure  warning  system:
 P. 601 

777Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Emergency tire puncture repair kit ................................. 678
Energy monitor ........ 216, 255, 261
Engine Accessory mode ................... 334
Compartment ........................ 586
Engine switch........................ 332
Exhaust gas precautions ........ 56
Hood ..................................... 583
How to start the hybrid system ......... ....................... 332
Identification number ............ 718
If the hybrid system will  not start .............................. 695
If your vehicle has to be  stopped in an emergency ... 651
Ignition switch 
(power switch) .................... 332
Overheating .......................... 707
Power switch......................... 332
Engine coolant ......................... 590 Capacity ................................ 721
Checking ............................... 590
Preparing and checking before winter....................... 491
Engine oil ................................. 587 Capacity ................................ 720
Checking ............................... 587
Oil pressure warning light ..... 660
Preparing and checking 
before winter....................... 491 Engine switch .......................... 332
Auto power off function ......... 334
Changing the power 
switch modes ..................... 334
If your vehicle has to be 
stopped in an emergency ... 651
Starting the hybrid system .... 332
EPS (Electronic Power 
Steering) ................................ 486 Function ................................ 486
Warning light......................... 661
EV auto mode ............................ 85
EV driving range ...................... 106
EV mode ..................................... 85
EV/HV mode selection  switch ....................................... 88
Event data recorder (EDR)........ 11
Exhaust gas precautions .......... 56
Flat tire ..................................... 678
Floor mats .................................. 26
Fluid
Brake .................................... 723
Transmission ........................ 722
Washer ................................. 598
Fog lights ................................. 356
Replacing light bulbs ............ 646
Switch ................................... 356
Footwell lights ......................... 524
Front doors .............................. 275
Front passenger occupant  classification system .............. 50
Front passenger’s seat  belt reminder light................. 662
F 

787Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Warning lights.......................... 197ABS....................................... 661
Brake Override System......... 664
Brake system ....... ................. 660
Charging system ................... 660
Drive-Start Control ................ 664
Driver’s seat belt reminder .... 662
Electronic engine control 
system ......... ....................... 660
Electric power steering ......... 661
Front passenger’s seat  belt reminder ...................... 662
High coolant temperature ..... 662
ICS OFF indicator ................. 662
Intelligent Clearance  Sonar .................................. 664
Low engine oil pressure ........ 660
Low fuel level ........................ 662
Malfunction indicator lamp .... 660
Master warning light.............. 663
Open door ............................. 662
PCS ...................................... 661
Rear passengers’ seat belt 
reminder ............................. 663
Seat belt reminder light ......... 662
Slip indicator ......................... 661
SRS ...................................... 661
Tire pressure......................... 663 Warning messages.................. 670
Warning reflector storage 
space ...................................... 533
Washer ..................................... 358 Checking............................... 598
Preparing and checking 
before winter ...................... 491
Switch ................................... 358
Washing and waxing ............... 562
Water-repellent coating .......... 563
Weights .................................... 716 Cargo capacity...................... 329
Load limits ............................ 716
Wheels ...................................... 612
Replacing wheels ................. 615
Size....................................... 723
Window glasses ...................... 308
Window lock switch ................ 308
Windows................................... 308 Power windows..................... 308
Rear window 
defogger ..................... 500, 511
Washer ................................. 358
Windshield wipers ................... 358 Handling the wiper arms ....... 566
Rain-sensing windshield wipers ................................. 360
Replacing the wiper rubber... 630
Winter driving tips ................... 491
Wiper rubber replacement ...... 630
Wireless charger ..................... 541
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”. 

792
PRIUS PRIME_OM_OM47D13U_(U)
GAS STATION INFORMATION
Auxiliary catch leverFuel filler door
P. 583 P. 366
Fuel filler door openerHood lock release 
leverTire inflation pressure
P. 366 P. 583P. 723
Fuel tank capacity
(Reference)11.4 gal. (43 L, 9.5 Imp.gal.)
Fuel type
Unleaded gasoline only P. 718
Cold tire inflation 
pressure P.   7 2 3
Engine oil capacity
(Drain and refill — 
reference)With filter
Without filter
4.4 qt. (4.2 L, 3.7 Imp.qt.)
4.1 qt. (3.9 L, 3.4 Imp.qt.)
Engine oil type “Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC GF-5 multigrade engine oil
P. 720