2023 TOYOTA PRIUS PLUG-IN HYBRID audio

5777-1. Maintenance and care
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
7
Maintenance and care
NOTICE
■Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if water comes
into contact with electrical components such as the audio system above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not touch the lens.
( P. 3 5 6 )
■ Cleaning the inside of the rear window
● Do not use glass cleaner to clean the rear window, as this may cause
damage to the rear window defogger heater wires or antenna. Use a cloth
dampened with lukewarm water to gently wipe the window clean. Wipe the
window in strokes running parallel to the heater wires or antenna.
● Be careful not to scratch or damage the heater wires or antenna.
■ When cleaning the air intake vents and filters
Observe the following precautions. Failure to do so may cause damage to
the vehicle.
● When removing the air intake vent grille, make sure to turn the power
switch off to stop the hybrid system.
● Do not use water or other liquid to clean the air intake vents or filters.
● Do not allow water or foreign matter to enter the air intake vent when the
grille is removed.
● Carefully handle the removed filters not to damage.
If the filter is damaged, have it replac ed with a new filter by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
● Make sure to reinstall the filters and vents to its original positions after
cleaning.
The shape of the left side and right side filters are different. When remov-
ing both filters, be careful not to mistake the left-right installation direction.
● Do not install anything but the filters exclusive for this vehicle to the air
intake vents or use the vehicle without installing the filters.

6658-2. Steps to take in an emergency
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
8
When trouble arises
■When the tire pressure warning light comes on
Inspect the appearance of the tire to check that the tire is not punctured.
If the tire is punctured: P. 675
If the tire is not punctured:
Carry out the following procedure after the tire temperature has lowered suffi-
ciently.
● Check the tire inflation pressure and adjust to the appropriate level.
● If the warning light does not go out even after several minutes, check that
the tire inflation pressure is at the specified level and carry out initialization.
( P. 602)
The warning light may come on again if the above operations are conducted
without first allowing the tire temperature to lower sufficiently.
■ The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as
natural air leaks and tire inflation pressure changes caused by temperature.
In this case, adjusting the tire inflation pressure will turn off the warning light
(after a few minutes).
■ Conditions that the tire pressure warning system may not function prop-
erly
 P. 604
■ If the tire pressure warning light frequently comes on after blinking for
1minute
If the tire pressure warning light frequently comes on after blinking for
1 minute when the power switch is turned to ON mode, have it checked by
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■ Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location
or audio sound.

7018-2. Steps to take in an emergency
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
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When trouble arises
Once the hybrid system has started, remove the jumper cables in
the exact reverse order from which they were connected.
To install the engine cover, conduct the removal procedure in
reverse. After installing, check that the fixed pins are inserted
securely.
Once the hybrid system starts, have the vehicle inspected at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer as soon as possible.
■ When opening the cover of the positive (+) battery terminal
 P. 595
■ Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■ To prevent 12-volt battery discharge
● Turn off the headlights and the audio system while the hybrid system is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic.
■ When the 12-volt battery is removed or discharged
● Information stored in the ECU is cleared. When the 12-volt battery is
depleted, have the vehicle inspected at any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
● Some systems may require initialization. (P. 736)
■ When removing the 12-volt battery terminals
When the 12-volt battery terminals are removed, the information stored in the
ECU is cleared. Before removing the 12-volt battery terminals, contact any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■ Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when
the vehicle is not in use, due to natural discharge and the draining effects of
certain electrical appliances. If the vehicle is left for a long time, the 12-volt
battery may discharge, and the hybrid system may be unable to start. (The
12-volt battery recharges automatically while the hybrid system is operating.)
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737
Index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
What to do if...
(Troubleshooting) ..................... 738
Alphabetical index ...................... 742
For information regarding the equipment listed below, refer to
the “Navigation system Owner’s manual”.
• Navigation system
• Audio/visual system
• Panoramic view monitor
• Hands-free system (for cellular phone)
• Toyota parking assist monitor

743Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Antenna
Smart entry & start system.... 283
Anti-lock brake system
(ABS) ...................................... 509
Function ................................ 509
Warning light ......................... 660
Approach warning ................... 411
Armrest ..................................... 563
Assist grips .............................. 564
Audio input
*
Audio system*
Automatic air conditioning
system .................................... 522
Air conditioning filter.............. 625
Automatic air conditioning
system ................................ 522
Blower customization ............ 526
Eco score (A/C score) ........... 244
Front seat concentrated
airflow mode (S-FLOW)...... 525
Humidity sensor .................... 534
Remote Air Conditioning
System................................ 535
Automatic headlight leveling
system .................................... 339
Automatic light control
system .................................... 338
Auxiliary boxes ........................ 548
Back door ................................. 278
Back-up light ............................ 639
Replacing light bulbs ............. 640
Wattage................................. 723Battery (12-volt battery) .......... 594
Battery checking ................... 594
Exchanging ........................... 702
If the 12-volt battery is
discharged .......................... 699
Preparing and checking
before winter....................... 516
Replacing .............................. 702
Warning light ......................... 659
Battery (traction battery)........... 98
Air intake vent ......................... 99
Charging ............................... 111
Location .................................. 98
Specification ......................... 717
Status indicator ..................... 113
Blind Spot Monitor (BSM) ....... 423
Blind Spot Monitor function ... 439
Rear Crossing Traffic Alert
function ............................... 443
Bluetooth
®*
Bottle holders .......................... 547
Brake
Fluid ...................................... 722
Parking brake........................ 336
Regenerative braking.............. 93
Warning light ......................... 659
Brake assist ............................. 509
Brake Override System ........... 310
Break-in tips ............................. 311
Brightness control
Instrument cluster light
control................................. 196
BSM (Blind Spot Monitor) ....... 423
Blind Spot Monitor function ... 439
Rear Crossing Traffic Alert
function ............................... 443
B
*: Refer to “Navigation system Owner’s manual”.

751Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Main display ............................. 212
Maintenance
Do-it-yourself maintenance ... 581
Maintenance data ................. 714
Maintenance requirements ... 578
Malfunction indicator lamp ..... 660
Master warning light ................ 667
Meter ......................................... 194
Clock adjustment .................. 200
Combination meter................ 194
Head-up display .................... 254
Indicators .............................. 206
Instrument cluster light
control................................. 196
Main display .......................... 212
Multi-information display ....... 220
Warning lights ....................... 205
Warning messages ............... 667
Microphone
*
Mirrors
Inside rear view mirror .......... 299
Outside rear view mirror
defoggers............................ 527
Outside rear view mirrors ...... 301
Vanity mirrors ........................ 555Multi-information display ........ 220
Air conditioning system
settings screen ................... 242
Audio system-linked
display ................................ 241
BSM (Blind Spot Monitor) ..... 423
Display contents ................... 220
Drive information................... 222
Driving assist system
information.......................... 246
Dynamic radar cruise control
with full-speed range .......... 401
Energy monitor ..................... 223
Language .............................. 250
LTA (Lane Tracing Assist) .... 388
Parking Support Brake
function ............................... 468
Pre-collision warning............. 369
RSA (Road Sign Assist)........ 396
S-IPA (Simple Intelligent
Parking Assist System) ...... 477
Settings ................................. 247
Toyota parking assist
sensor................................. 451
Warning message ................. 246
M
*: Refer to “Navigation system Owner’s manual”.

755Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Side turn signal lights ............. 335
Replacing light bulbs ............. 644
Turn signal lever ................... 335
Side windows ........................... 303
Water-repellent coating ......... 567
Simple Intelligent Parking
Assist System (S-IPA) ........... 473
Smart entry & start system ..... 283
Antenna location ................... 283
Entry functions ...................... 273
Starting the hybrid system .... 323
Smart lid & connector
locking system ...................... 130
Snow tires................................. 516
Solar charging system ............ 178
Spark plug ................................ 720
Specifications .......................... 714
Speech command system
*
Speed limiter ............................ 420
Speedometer ............................ 212
SRS airbags................................ 39
Steering wheel ......................... 297
Adjustment ............................ 297
Audio switches
*
Meter control switches .......... 195
Talk switch
*
Telephone switches*
TRIP switch ........................... 214
Stop lights
Replacing light bulbs ............. 644
Storage feature ........................ 544
Storage precautions ................ 544
Stuck
If the vehicle becomes
stuck ................................... 710
Sun visors ................................ 555Switch
Adaptive High-beam System
switch ................................. 342
Audio remote control
switches
*
Camera switch*
Charging schedule switch ..... 169
Cruise control switch............. 401
Door lock switches ................ 275
Driving mode select switch ... 418
Emergency flashers switch ... 648
Engine switch........................ 323
EV City mode switch ............... 88
EV/HV mode selection
switch ................................... 88
Fog light switch ..................... 347
Fuel filler door opener
switch ................................. 353
“HUD” (Head-up display)
switch ................................. 256
Ignition switch ....................... 323
Instrument cluster light
control switch...................... 196
LTA (Lane Tracing Assist)
switch ................................. 387
Light switch ........................... 337
Meter control switches .......... 195
Outside rear view mirror
switches.............................. 301
P position switch ................... 330
Power door lock switches ..... 275
Power switch......................... 323
Power window switch............ 303
*: Refer to “Navigation system Owner’s manual”.