
4925-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
◆EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to
turn the steering wheel.
◆Emergency brake signal
When the brakes are applied suddenly, the emergency flashers
automatically flash to alert the vehicle behind.
The slip indicator light will flash
while the TRC/VSC/ABS systems
are operating.
When the TRC/VSC/ABS systems are operating

4955-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
5
Driving
■Operating conditions of hill-start assist control
When the following four conditions are met, the hill-start assist control will
operate:
●The shift position is in a position other than P or N (when starting off forward/
backward on an upward incline)
●The vehicle is stopped
●The accelerator pedal is not depressed
●The parking brake is not engaged
■Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
●Shift the shift position to P or N
●The accelerator pedal is depressed
●The parking brake is engaged
●Approximately 2 seconds elapse after the brake pedal is released
■Operating conditions of emergency brake signal
When the following three conditions are met, the emergency brake signal will
operate:
●The emergency flashers are off
●Actual vehicle speed is over 55 km/h (35 mph)
●The brake pedal is depressed in a manner that cause the system to judge
from the vehicle deceleration that this is a sudden braking operation
■Automatic system cancelation of emergency brake signal
The emergency brake signal will turn off in any of the following situations:
●The emergency flashers are turned on
●The brake pedal is released
●The system judges from the vehicle deceleration that is not a sudden brak-
ing operation

6287-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
●Headlights
●Daytime running lights
●Front position lights
●Front fog lights
●Front turn signal lights
●Side turn signal lights
●Rear turn signal lights
●Rear fog lights
●Tail lights
●Stop lights
●High mounted stoplight
●License plate lights
■LED lights
The lights other than the back-up lights each consist of a number of LEDs. If
any of the LEDs burn out, take your vehicle to any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional to have the
light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction. Contact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional for more information in the
following situations:
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
P. 622

6328-1. Essential information
PRIUS PHV_OM_OM47A89E_(EE)
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■ Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is
not operating (while the “READY” indicato r is not illuminated), the 12-volt bat-
tery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.

7119-2. Customization
PRIUS PHV_OM_OM47A89E_(EE)
9
Vehicle specifications
■Power windows (P. 307)
■Reverse warning buzzer (P. 336)
■Turn signal lever (P. 339)
FunctionDefault
settingCustomized
setting
Mechanical key linked opera-
tion (open)Off On – – O
Mechanical key linked opera-
tion (close)Off On – – O
Wireless remote control linked
operation (open)Off On – – O
Wireless remote control linked
operation (close)Off On – – O
Mechanical key, wireless
remote control linked opera-
tion signal (buzzer)On Off – – O
123
FunctionDefault
settingCustomized
setting
Signal (buzzer) when the shift
position is in RSingleIntermittent––O
123
FunctionDefault
settingCustomized
setting
Times of flashing of the lane
change signal flashers3Off
––O 5
7
123

728Alphabetical index
PRIUS PHV_OM_OM47A89E_(EE)
Doors ................................ 269, 274
Back door .............................. 274
Door glasses ......................... 307
Door lock ............................... 269
Open door warning buzzer.... 644
Open door warning light ........ 644
Outside rear view mirrors ...... 305
Rear door child-protectors .... 272
Side doors ............................. 269
Side windows ........................ 307
Double locking system.............. 80
Drive information ..................... 217
Drive-Start Control................... 314
Driver’s seat belt reminder
light ......................................... 645
Driving ...................................... 312
Break-in tips .......................... 315
Correct posture ....................... 32
Driving in the rain .................. 313
Driving mode select switch ... 412
Plug-in hybrid vehicle driving
tips ...................................... 108
Procedures............................ 312
Winter drive tips .................... 498
Dynamic radar cruise control
with full-speed range ............ 397
ECB (Electronically
Controlled Brake System) .... 491
Eco drive mode ........................ 412
Electric motor
(traction motor)........................ 88
Location .................................. 88
Specification.......................... 699
Electric Power Steering
(EPS) ....................................... 492
Function ................................ 492
Warning light ......................... 642Electronic key .......................... 264
Battery-saving function ......... 281
If the electronic key does not
operate properly ................. 678
Replacing the battery ............ 616
Electronically Controlled
Brake System (ECB) ............. 491
Emergency, in case of
If a warning buzzer sounds ... 641
If a warning light turns on...... 641
If a warning message is
displayed ............................ 650
If the 12-volt battery is
discharged .......................... 682
If the electronic key does not
operate properly ................. 678
If the hybrid system will not
start .................................... 676
If you have a flat tire ............. 658
If you lose your keys ..... 265, 268
If you think something is
wrong.................................. 640
If your vehicle becomes
stuck ................................... 693
If your vehicle has to be
stopped in an emergency ... 633
If your vehicle needs to be
towed .................................. 634
If your vehicle overheats ....... 688
Emergency brake signal ......... 492
Emergency flashers ................ 632
Emergency brake signal ....... 492
Emergency tire puncture
repair kit ................................. 658
Energy monitor ................ 218, 257
E

730Alphabetical index
PRIUS PHV_OM_OM47A89E_(EE)
Flat tire ...................................... 658
Floor mats .................................. 30
Fluid
Brake..................................... 704
Transmission......................... 703
Washer.................................. 578
Fog lights.................................. 351
Replacing light bulbs ............. 628
Switch ................................... 351
Follow me home system ......... 342
Footwell lights.......................... 522
Front doors............................... 269
Front fog lights ........................ 351
Replacing light bulbs ............. 628
Switch ................................... 351
Front passenger’s seat belt
reminder light ........................ 645
Front position lights ................ 341
Light switch ........................... 341
Replacing light bulbs ............. 628
Front seats ............................... 296
Adjustment ............................ 296
Cleaning ................................ 551
Correct driving posture............ 32
Head restraints...................... 299
Seat heaters.......................... 520
Front turn signal lights............ 339
Replacing light bulbs ............. 628
Turn signal lever ................... 339
Fuel ........................................... 355
Capacity ................................ 698
Fuel gauge ............................ 207
Information ............................ 706
Refueling ............................... 355
Type ...................................... 698
Warning light ......................... 644Fuel consumption............ 229, 260
Average fuel consumption .... 229
Current fuel consumption...... 260
Fuel filler door.......................... 357
Opener .................................. 357
Refueling............................... 355
When the fuel filler door
cannot be opened............... 357
Fuses ........................................ 619
Glove box ................................. 526
Hands-free system
(for cellular phone)
*
Head restraints ........................ 299
Head-up display ....................... 249
Headlights ................................ 341
AHS (Adaptive High-beam
System) .............................. 345
Automatic headlight
leveling ............................... 343
Follow me home system ....... 342
Light switch ........................... 341
Replacing light bulbs............. 628
Heaters
Automatic air conditioning
system ................................ 504
Outside rear view mirrors...... 509
Seat heaters ......................... 520
High coolant temperature
warning light .......................... 644
High mounted stoplight
Replacing .............................. 628
High-voltage components ...... 101
Hill-start assist control............ 491
Hood ......................................... 563
F
G
H

732Alphabetical index
PRIUS PHV_OM_OM47A89E_(EE)
Jack ........................................... 598
Positioning a floor jack .......... 565
Vehicle-equipped jack ........... 598
Jack handle .............................. 598
Jam protection function .......... 308
Keyless entry ........................... 264
Smart entry & start system.... 279
Wireless remote control ........ 264
Keys .......................................... 264
Battery-saving function ......... 281
Electronic key........................ 264
Engine switch ........................ 327
If the electronic key does not
operate properly ................. 678
If you lose your keys ..... 265, 268
Key number plate .................. 264
Keyless entry ........................ 264
Keys ...................................... 264
Mechanical key ..................... 265
Power switch ......................... 327
Replacing the battery ............ 616
Smart entry & start
system ................................ 279
Warning buzzer ..................... 280
Wireless remote control
key ...................................... 264
Knee airbags .............................. 39Language (multi-information
display)................................... 245
LDA (Lane Departure Alert
with steering control)............ 382
Lever
Auxiliary catch lever .............. 563
Hood lock release lever ........ 563
Shift lever .............................. 333
Tilt and telescopic steering
lock release lever ............... 302
Turn signal lever ................... 339
Wiper lever............................ 352
License plate lights ................. 341
Light switch ........................... 341
Replacing light bulbs............. 628
Light
AHS (Adaptive High-beam
System) .............................. 345
Door courtesy lights .............. 522
Emergency flasher switch ..... 632
Fog light switch ..................... 351
Follow me home system ....... 342
Headlight switch.................... 341
Illuminated entry system ....... 524
Interior lights ................. 523, 524
Interior light list...................... 522
Luggage compartment
light..................................... 275
Personal lights ...................... 523
Replacing light bulbs............. 623
Shift lever light ...................... 522
Turn signal lever ................... 339
Vanity lights .......................... 535
Wattage ................................ 705
Light bulbs
Replacing .............................. 623
Wattage ................................ 705
Luggage cover ......................... 533
J
K
L