
PRIUS PRIME_OM_OM47D13U_(U)
5777-2. Maintenance
7
Maintenance and care
Vehicle interior
ItemsCheck points
Accelerator pedal• The accelerator pedal should move smoothly(without uneven pedal effort or catching).
Hybrid transmission
“Park” mechanism• When parked on a slope and the shift positionis in P, is the vehicle securely stopped?
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clear-
ance from the floor? ( P. 723)
• Does the brake pedal have the correct amount of free play? ( P. 723)
Brakes
• The vehicle should not pull to one side when
the brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are applied.
Head restraints• Do the head restraints move smoothly andlock securely?
Indicators/buzzers• Do the indicators and buzzers function prop-erly?
Lights• Do all the lights come on?
• Are the headlights aimed correctly? ( P. 639)
Parking brake
• Does the parking brake pedal move
smoothly?
• When parked on a slope and the parking
brake is on, is the vehicle securely stopped?
Seat belts• Do the seat belts operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correctamount of free play?
• There should not be any strange sounds com- ing from the steering wheel.

695
PRIUS PRIME_OM_OM47D13U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
● The charging cable may be a ttached to the vehicle. (P. 143)
● The electronic key may no t be functioning properly.
* ( P. 697)
● There may not be sufficient f uel in the vehicle’s tank.
Refuel the vehicle. ( P. 98)
● There may be a malfunction in the immobilizer system.
* ( P. 8 1 )
● There may be a malfunction i n the shift control system.
*
( P. 335, 676)
● The hybrid system may be malfunc tioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. H ow-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 696)
● There is a possibility that the t emperature of the hybrid battery
(traction battery) is extremely low (approximately below -22°F
[-30°C]). ( P. 98, 334)
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 701)
● The 12-volt battery terminal connections may be loose or corrod ed.
( P. 593)
Reasons for the hybrid system not starting vary depending on
the situation. Check the followi ng and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 332)
The interior lights and headlights are dim, or the horn does no t
sound or sounds at a low volume.

6968-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47D13U_(U)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 701)
● One or both of the 12-volt battery terminals may be disconnecte d.
( P. 593)
Contact your Toyota dealer if the problem cannot be repaired, o r if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to sta rt the hybrid system if the power
switch is functioning normally.
Do not use this starting procedur e except in cases of emergency.
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Hav e the vehicle inspected by your
Toyota dealer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
1
2
3

724
PRIUS PRIME_OM_OM47D13U_(U)
9-1. Specifications
Light bulbs
Light bulbsBulb No.WTy p e
ExteriorBack-up lights92116A
Interior
Vanity lights8A
Front interior/personal lights5A
Rear interior light8B
Door courtesy lights5A
Luggage compartment light5A
A: Wedge base bulbs (clear)
B: Double end bulbs

PRIUS PRIME_OM_OM47D13U_(U)
7479-2. Customization
9
Vehicle specifications
■Remote Air Conditioning System (P. 518)
■Illumination ( P. 5 2 4 )
*1: If equipped
*2: For vehicles without navigation system only
FunctionDefault
settingCustomized setting
Operation using the “A/C” but-
ton on the wireless remote
controlPress and
hold for 0.8 seconds
Press once
––O
Press twice
Press and
hold for 2.4
seconds
Off
Stopping the operation using
the “A/C” button on the wire-
less remote control
Press twice
Press once
––O
Press and
hold for 0.8 seconds
Press and
hold for 2.4
seconds
Off
123
FunctionDefault settingCustomized setting
Time elapsed before the inte-
rior lights turn off 15 secondsOff
O*2OO
7.5 seconds
30 seconds
Operation after the power
switch is turned offOnOff––O
Operation when the doors are
unlockedOnOff––O
Operation when you
approach the vehicle with the
electronic key on your person
OnOff––O
Footwell lighting*1OnOff––O
Interior lights illumination con-
trolOnOff––O
123

773Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Approach warning ................... 409
Assist grips .............................. 552
Audio input
*
Audio system*
Automatic air conditioning system ..... 496, 507 Air conditioning eco mode .......................... 499, 510
Air conditioning filter ............. 626
Automatic air conditioning system .... 496, 507
Eco score (A/C score)........... 236
Humidity sensor ............ 503, 514
Remote Air Conditioning System ............................... 518
S-FLOW mode .............. 497, 509
Automatic door locking
and unlocking systems ........ 278
Automatic High Beam ............. 351
Automatic light control system .................................... 349
AUX port
*
Auxiliary boxes ........................ 531
Back door ................................. 281
Back-up lights .......................... 641 Replacing light bulbs............. 642
Wattage ................................ 724
Battery (12-volt battery) .......... 593
Battery checking ................... 593
Exchanging ........................... 704
If the 12-volt battery is discharged .......................... 701
Preparing and checking before winter....................... 491
Replacing .............................. 704
Warning light ......................... 660 Battery (traction battery) .......... 96
Air intake vent ......................... 97
Charging ............................... 108
Location .................................. 96
Specification ......................... 719
Status indicator ..................... 110
Blind Spot Monitor (BSM) ....... 417 Blind Spot Monitor function... 421
Rear Cross Traffic Alert
function............................... 424
Bluetooth
®*
Bottle holders .......................... 530
Brake Fluid ...................................... 723
Parking brake ....................... 345
Regenerative braking ............. 92
Warning light......................... 660
Brake assist ............................. 485
Brake Override System ........... 315
Break-in tips............................. 317
Brightness control Instrument cluster light control ......................... 190
BSM (Blind Spot Monitor) ....... 417 Blind Spot Monitor function... 421
Rear Cross Traffic Alert function............................... 424
Care .................................. 562, 567 Aluminum wheels ................. 563
Camera sensor ..................... 373
Exterior ................................. 562
Interior .................................. 567
Radar sensor ........................ 372
Seat belts.............................. 570
Water-repellent coating ........ 563
B
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

779Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Hybrid battery (traction battery)...................... 96
Air intake vent ......................... 97
Charging ............................... 108
Location .................................. 96
Specification ......................... 719
Status indicator ..................... 110
Hybrid battery (tr action battery)
air intake vent .......................... 97
Hybrid system ............................ 84 Brake Override System......... 315
Consumption
screen................. 226, 258, 264
Drive-Start Control ................ 316
Emergency shut off system .... 97
Energy monitor ..... 216, 255, 261
High voltage components ....... 96
Hybrid System Indicator........ 218
If the hybrid system will not start .............................. 695
Overheating .......................... 707
Plug-in hybrid system precautions ........................... 96
Plug-in hybrid vehicle driving tips ...................................... 103
Power switch......................... 332
Regenerative braking.............. 92
Starting the hybrid system .... 332
Vehicle proximity notification system ................ 91
Hybrid System Indicator ......... 218
Hybrid transmission ................ 338 I/M test ...................................... 579
Identification ............................ 717
Engine .................................. 718
Vehicle .................................. 717
Ignition switch
(power 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
Illuminated entry system ........ 526
Immobilizer system ................... 81
Indicators ................................. 196
Initialization.............................. 750 Intelligent Clearance
Sonar.................................. 448
Items to initialize ................... 750
Maintenance data ................. 574
Power windows..................... 309
S-APGS (Simple Advanced Parking Guidance
System) .............................. 475
Tire pressure warning system .......... ...................... 602
Inside rear view mirror ............ 304
Instrument cluster light
control .................................... 190
Intelligent Clearance Sonar .... 439
Interior lights ........................... 524
Switch ........................... 525, 526
Wattage ................................ 724
Intuitive parking assist ........... 429I
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

780Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
Jack........................................... 616Positioning a floor jack .......... 585
Vehicle-equipped jack........... 616
Jack handle .............................. 616
Jam protection function.......... 309
Keyless entry ........................... 270 Smart key system ................. 286
Wireless remote control ........ 270
Keys .......................................... 270
Battery-saving function ......... 288
Electronic key ....................... 270
Engine switch........................ 332
If the electronic key does not operate properly ........... 697
If you lose your keys ..... 271, 274
Key number plate.................. 270
Keyless entry ........................ 270
Keys ...................................... 270
Mechanical key ..................... 271
Power switch......................... 332
Replacing the battery ............ 633
Smart key system ................. 286
Warning buzzer..................... 287
Wireless remote control key ...................................... 270
Knee airbags .............................. 36 Language (multi-information
display) .................................. 241
LATCH system ........................... 60
LDA (Lane Departure Alert with steering control) ........... 389
Lever Auxiliary catch lever.............. 583
Hood lock release lever ........ 583
Shift lever.............................. 338
Tilt and telescopic steering lock release lever ............... 302
Turn signal lever ................... 344
Wiper lever ........................... 358
License plate lights ................. 346
Light switch ........................... 346
Replacing light bulbs ............ 646
Light
Automatic High Beam system .......... ...................... 351
Door courtesy lights .............. 524
Emergency flasher switch..... 650
Fog light switch ..................... 356
Headlight switch ................... 346
Illuminated entry system ....... 526
Interior lights ................. 525, 526
Interior light list ..................... 524
Luggage compartment light..................................... 282
Personal lights ...................... 525
Replacing light bulbs ............ 641
Shift lever light ...................... 524
Turn signal lever ................... 344
Vanity lights .......................... 539
Wattage ................................ 724
Light bulbs Replacing.............................. 641
Wattage ................................ 724
Load capacity .......................... 329
Luggage cover ......................... 534
J
K
L