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3827-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
*1: Brake system warning buzzer:When there is a possible problem that could affect braking performance,
the warning light will come on and a warning buzzer will sound.
Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driven at a speed of approximately
5 km/h (3 mph) or more.
*2: If you continue to use the vehicle in this state, the light starts blinking withbuzzer sounds, and you will soon become unable to start the hybrid sys-
tem.
*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 5 km/h
[3 mph]).
*4: Seat belt buzzer:The seat belt buzzer sounds to alert the driver, front passenger and rear
passengers that his or her seat belt is not fastened. The buzzer sounds for
30 seconds after the vehicle reaches a speed of 20 km/h (12 mph). Then, if
the seat belt is still unfastened, the buzzer will sound in a different tone for
90 more seconds.
Carrying out the corresponding action turns the warning light off.
Other warning light
Warning lightWarning light/Details/Actions
(If equipped)
Go to service warning light Indicates that maintenance of the hybrid battery (traction
battery) cooling component is required
The filter may be clogged, the air intake vent may be
blocked or there may be a gap in the duct.
→ Have maintenance performed on the hybrid battery
(traction battery) cooling component at any autho-
rized Toyota dealer or repairer, or another duly quali-
fied and equipped professional.
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3977-2. Steps to take in an emergency
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7
When trouble arises
Carrying out the corresponding action turns the messages off.
Other displayed messages
Displayed messageDetails/Actions
Maintenance of the hybrid battery (traction bat-
tery) cooling component is requiredThe filter may be clogged, the air intake vent
may be blocked or there may be a gap in the
duct.
→ Have maintenance performed on the hybrid
battery (traction battery) cooling compo-
nent at any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional.
Indicates that the EV drive mode is not available*
The reason the EV drive mode is not available
(the vehicle is idling, battery charge is low,
speed is higher than the EV drive mode operat-
ing speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
→ Use the EV drive mode when it becomes
available.
Page 478 of 496

478Alphabetical index
PRIUS +_OM_OM47888E_(EE)
Alphabetical index
A/C............................................. 270Air conditioning filter.............. 347
Automatic air conditioning
system ................................ 270
Climate remote control switches.............................. 278
Pollen removal mode ............ 273
ABS
(Anti-lock Brake System) ...... 248Function ................................ 248
Warning light ......................... 377
Air conditioning filter .............. 347
Air conditioning system .......... 270 Air conditioning filter.............. 347
Automatic air conditioning system ................................ 270
Climate remote control switches.............................. 278
Pollen removal mode ............ 273
Air intake vent ............................ 86
Airbag manual on-off system ...................................... 56 Airbags ....................................... 46
Airbag manual on-off system .. 56
Airbag operating conditions .... 52
Airbag precautions for your child ...................................... 48
Airbag warning light .............. 377
Correct driving posture ........... 36
Curtain shield airbag operating conditions ............. 52
Curtain shield airbag precautions........................... 50
General airbag precautions .... 48
Locations of airbags................ 46
Modification and disposal of
airbags.................................. 51
Side airbag operating conditions ............................. 52
Side airbag precautions .......... 49
Side and curtain shield
airbags operating
conditions ............................. 52
Side and curtain shield airbags precautions .............. 50
SRS airbags............................ 46
A
Page 479 of 496

479Alphabetical index
PRIUS +_OM_OM47888E_(EE)
Alarm........................................... 97Alarm....................................... 97
Warning buzzer ..................... 376
Anchor brackets ........................ 67
Antenna Smart entry & start system.... 151
Anti-lock brake system (ABS) ...................................... 248Function ................................ 248
Warning light ......................... 377
Approach warning ................... 238
Assist grips .............................. 295
Audio input
*
Audio system*
Automatic air conditioning systemAir conditioning filter.............. 347
Automatic air conditioning system ................................ 270
Automatic headlight leveling system .................................... 217Function ................................ 217
Warning light ......................... 380
Automatic light control
system .................................... 216
AUX port
*
Auxiliary boxes ................ 287, 289 Back door ................................. 146
Back-up lights
Replacing light bulbs............. 362
Wattage ................................ 462
Battery (12-volt battery) Battery checking ................... 327
If the 12-volt battery is discharged .......................... 439
Preparing and checking before winter....................... 265
Warning light ......................... 376
Battery (traction battery)........... 85
Bluetooth
®*
Bottle holders .......................... 285
Brake Fluid ...................................... 460
Parking brake........................ 214
Regenerative braking.............. 82
Warning light ......................... 376
Brake assist ............................. 248
Break-in tips ............................. 191
Brightness control Instrument cluster light control................................. 112
B
*: Refer to the “Navigation and multimedia system Owner’s Manual”.