
5937-2. Steps to take in an emergency
PRIUS_OM_OM47F32E_(EE)
7
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 safe place and
contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer. Continuing to drive the vehicle may be dangerous.
● If “Engine Oil Pressure Low” is shown, this may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
● If the following messages are shown, there may be a malfunction. Immedi-
ately have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Entry & Start System Malfunction See Owner’s Manual”
● Vehicles with GPF system: If “Exhaust Filter Full See Owner’s Manual” is
shown on the multi-information display is shown, follow the instruction.
( P. 440)
■ If “Shift System Not Active 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 any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 597)
■ If “Shift System Malfunction Apply Parking Brake Securely While Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediately have the vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 597)
■ If “ Switch Malfunction Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
The P position switch may not operate. Immediately have the vehicle
inspected by any authorized Toyota retailer or Toyota authorized repairer, or
any reliable repairer.
When parking the vehicle, stop the vehicle on level ground and apply the
parking brake firmly.

5957-2. Steps to take in an emergency
PRIUS_OM_OM47F32E_(EE)
7
When trouble arises
■If “Maintenance Required for Traction Battery Cooling Parts See Owner's
Manual” is shown
The filter may be clogged, the air intake vent may be blocked or there may be
a gap in the duct.
● If the air intake vent is dirty, refer to P. 545 for information on how to clean
the air intake vent.
● If the message is shown when the air intake vent is not dirty, have the vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
■ If “Traction Battery Needs to be Protected Refrain From the Use of
Position” is shown
This message may be displayed when the shift position is in N.
As the hybrid battery (traction battery) can not be charged when the shift
position is in N, shift the shift position to P when the vehicle is stopped.
■ If “Traction Battery Needs to be Protected Shift into to Restart” is
shown
This message is displayed when the hybrid battery (traction battery) charge
has become extremely low because the vehicle has been left with the N shift
position selected for a certain amount of time.
When operating the vehicle, shift to P and restart the hybrid system.
■ If “Shifted into Shift Again to Start Vehicle” is shown
Message is displayed when the automatic P position selection function oper-
ates. ( P. 256)
To start off the vehicle after the shift position is changed to P, operate the shift
lever again.
■ If “Shift to Before Exiting Vehicle” is shown
Message is displayed when the driver’s door is opened without turning the
power switch to off with the shift position in any position other than P.
Shift the shift position to P.
■ If “Shift is in Release Accelerator Before Shifting” is shown
Message is displayed when the accelerator pedal has been depressed and
the shift position is in N.
Release the accelerator pedal and shift the shift position to D or R.
■ If “Depress Brake When Vehicle is Stopped. Hybrid System may Over-
heat.” is shown
The message may be shown when the accelerator pedal is depressed to hold
the vehicle while the vehicle is stopped on an uphill, etc.
The hybrid system may overheat. Release the accelerator pedal and depress
the brake pedal.
■ If “Shifted to Stop Vehicle to Shift to ” is shown
If the P position switch is pressed while driving, the shift position is changed
to N and the message is shown. ( P. 255)

686Alphabetical index
PRIUS_OM_OM47F32E_(EE)
Alphabetical index
A/C............................................. 458
Air conditioning filter.............. 542
Automatic air conditioning
system ................................ 458
Blower customization ............ 462
Eco score (A/C score) ........... 150
Front seat concentrated
airflow mode (S-FLOW)...... 461
ABS (Anti-lock Brake
System) .................................. 441
Function ................................ 441
Warning light ......................... 581
ACA (Active Cornering
Assist) .................................... 441
Active Cornering Assist
(ACA) ...................................... 441
AHB (Automatic High
Beam) ..................................... 266
Air conditioning filter .............. 542
Air conditioning system .......... 458
Air conditioning filter.............. 542
Automatic air conditioning
system ................................ 458
Blower customization ............ 462
Eco score (A/C score) ........... 150
Front seat concentrated
airflow mode (S-FLOW)...... 461
Air intake vent ............................ 85
Cleaning ................................ 545
Airbag manual on-off
system ...................................... 51Airbags ....................................... 39
Airbag manual on-off
system .................................. 51
Airbag operating conditions .... 45
Airbag precautions for your
child ...................................... 41
Airbag warning light .............. 581
Correct driving posture ........... 32
Curtain shield airbag
operating conditions ............. 46
Curtain shield airbag
precautions........................... 43
General airbag precautions .... 41
Locations of airbags................ 39
Modification and disposal of
airbags.................................. 44
Side airbag operating
conditions ............................. 46
Side airbag precautions .......... 42
Side and curtain shield
airbags operating
conditions ............................. 46
Side and curtain shield
airbags precautions .............. 43
SRS airbags............................ 39
Alarm .......................................... 93
Alarm ...................................... 93
Intrusion sensor ...................... 96
A

687Alphabetical index
PRIUS_OM_OM47F32E_(EE)
Antenna
Smart entry & start system.... 187
Anti-lock brake system
(ABS) ...................................... 441
Function ................................ 441
Warning light ......................... 581
Approach warning ................... 339
Armrest ..................................... 493
Assist grips .............................. 494
Audio input
*
Audio system*
Automatic air conditioning
system .................................... 458
Air conditioning filter.............. 542
Automatic air conditioning
system ................................ 458
Blower customization ............ 462
Eco score (A/C score) ........... 150
Front seat concentrated
airflow mode (S-FLOW)...... 461
Automatic headlight leveling
system .................................... 264
Automatic High Beam
(AHB) ...................................... 266
Automatic light control
system .................................... 263
Auxiliary box ............................ 477Back door ................................. 182
Back-up light ............................ 561
Replacing light bulb .............. 562
Wattage ................................ 667
Battery (12-volt battery) .......... 521
Battery checking ................... 521
If the 12-volt battery is
discharged .......................... 639
Preparing and checking
before winter....................... 452
Replacing .............................. 642
Warning light ......................... 580
Battery (traction battery)........... 84
Air intake vent ......................... 85
Location .................................. 84
Specification ......................... 657
Blind Spot Monitor (BSM) ....... 356
Blind Spot Monitor
function ............................... 372
Rear Crossing Traffic Alert
function ............................... 375
Bluetooth
®*
Bottle holders .......................... 476
Brake
Fluid ...................................... 664
Parking brake........................ 260
Regenerative braking.............. 81
Warning light ......................... 580
Brake assist ............................. 441
Brake Override System ........... 221
Break-in tips ............................. 222
Brightness control
Instrument cluster light
control................................. 102
BSM (Blind Spot Monitor) ....... 356
Blind Spot Monitor function ... 372
Rear Crossing Traffic Alert
function ............................... 375
B
*: Refer to “Navigation and multimedia system Owner’s manual”.