headlights TOYOTA PRIUS PLUG-IN HYBRID 2021 Owners Manual

15Pictorial index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 398
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 566
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . P. 618
Replacing the wiper insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 685
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 772
Charging port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 121
Charging method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 152
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 650
Replacing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 669
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 779
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 566
Checking/rotation/tire pressure warning system . . . . . . . . . . . P. 650
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 731
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 634
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 634
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 773
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 761
Headlights/front position lights/
daytime running lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
Front fog lights/rear fog lights . . . . . . . . . . . . . . . . . . . . . . . P. 397
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 385
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
Back-up lights
Shifting the shift position to R . . . . . . . . . . . . . . . . . . . . . . . . . P. 3794
5
6
7
8
Light bulbs of the exterior lights for driving
(Replacing method: P. 695, Watts: P. 779)
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12
13
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17Pictorial index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 230
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 230
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 233
When the warning messages are displayed . . . . . . . . . . . . . . P. 723
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 386
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 386
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 566
Warning buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 386
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 385
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
Headlights/front position lights/tail lights/
daytime running lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
Front fog lights/rear fog lights . . . . . . . . . . . . . . . . . . . . . . . . . P. 397
Windshield wipers and washer switch . . . . . . . . . . . . . . . . P. 398
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 398
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 648
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 704
Fuel filler door opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 403
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 634
Tilt and telescopic steering lock release lever . . . . . . . . . . P. 346
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 572
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 572
Rear window defogger. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 577
Audio system
*
*
: Refer to “Navigation system Owner’s manual”.
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6
7
8
9
10
11
12
13
14

23Pictorial index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 230
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 230
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 233
When the warning messages are displayed . . . . . . . . . . . . . . P. 723
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 386
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 386
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 566
Warning buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 386
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 385
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
Headlights/front position lights/tail lights/
daytime running lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 387
Front fog lights/rear fog lights . . . . . . . . . . . . . . . . . . . . . . . . . P. 397
Windshield wipers and washer switch . . . . . . . . . . . . . . . . P. 398
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 398
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 648
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 704
Fuel filler door opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 403
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 634
Tilt and telescopic steering lock release lever . . . . . . . . . . P. 346
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 572
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 572
Rear window defogger. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 577
Audio system
*
*
: Refer to “Navigation system Owner’s manual”.
5
6
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1612-2. Charging
2
Plug-in hybrid system
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Before charging, always check the following items.
●The parking brake is applied. (P. 386)
●The headlights are switched off or set to AUTO, and lights such as
the emergency flashers and interior lights etc. are switched off.
If these light switches are turned ON, then these features will consume
electricity, and charging time will increase.
●The power switch is off. (P. 373)
Before charging, make sure that each part of the charging cable is in
good condition. (P. 136)
■Safety functions
●The hybrid system will not start while the charging cable is attached to the
vehicle, even if the power switch is operated.
●If the charging cable is connected while the “READY” indicator is illumi-
nated, the hybrid system will stop automatically and driving will not be possi-
ble.
●When the charging cable is connected to the vehicle, the shift position can-
not be changed from P to another position.
■During charging
The followings occur, however, it does not indicate a malfunction.
●The charging starting time may differ depending on the state of the vehicle.
●During charging, the sound of the fan may be heard from the onboard trac-
tion battery charger cooling air intake vents. (P. 164)
●During and after charging, the rear seat and its surrounding area in which
the onboard traction battery charger is installed may get warm.
Confirm the following before charging
Inspecting the charging cable

2012-2. Charging
2
Plug-in hybrid system
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
If “Charging Stopped High Energy Use See Owner’s Manual” is shown
Power is being consumed by
electrical components of
vehicle
Check the following items, and then carry
out charging again.
• If the headlights and audio are turned on,
turn them off.
• Turn the power switch off.
If charging cannot be carried out, even after
performing the above, the auxiliary battery
may not be sufficiently charged. Operate
the hybrid system for approximately 15 min-
utes or more to charge the auxiliary battery.
If “Charging System Malfunction See Owner’s Manual” is shown
Malfunction occurred in
charging systemHave the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Likely causeCorrection procedure

2693. Instrument cluster
3
Instrument cluster
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
■Enabling/disabling of the head-up display
When the head-up display is turned off with the “HUD” switch, it is not dis-
played until the “HUD” switch is used to turn the head-up display on again.
(Operation of the head-up display is not linked with the power switch.)
■Display brightness
●The brightness of the head-up display is automatically adjusted according to
the operation status of the headlights (on/off) and the brightness of the sur-
roundings.
●When the brightness of the head-up display is adjusted to a certain level or
higher, the display automatically dims when the vehicle is stopped. Once the
vehicle starts off and the vehicle speed reaches approximately 5 km/h
(3.1 mph) or more, the display automatically returns to its previous bright-
ness.
■Vehicle speed display
In extremely cold environments, the display of the speedometer and the vehi-
cle speed of the head-up display may slightly differ.
■Head-up display
The head-up display may seem dark and hard to see when viewed through
sunglasses, especially polarized sunglasses.
■When the 12-volt battery is disconnected
The customize settings of the head-up display will be reset.

3484-4. Adjusting the steering wheel and mirrors
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Inside rear view mirror
The height of the rear view mirror can be adjusted to suit your driving
posture.
Adjust the height of the rear view
mirror by moving it up and down.
Manual anti-glare inside rear view mirror
Reflected light from the headlights of vehicles behind can be reduced
by operating the lever.
Normal position
Anti-glare position
The rear view mirror’s position can be adjusted to enable suffi-
cient confirmation of the rear view.
Adjusting the height of rear view mirror
Anti-glare function
1
2

3494-4. Adjusting the steering wheel and mirrors
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
4
Operation of each component
Auto anti-glare inside rear view mirror
Responding to the level of brightness of the headlights of vehicles
behind, the reflected light is automatically reduced.
Changing automatic anti-glare
function mode
On/off
When the automatic anti-glare
function is in ON mode, the indica-
tor illuminates.
The function will set to ON mode
each time the power switch is
turned to ON mode.
Pressing the button turns the func-
tion to OFF mode. (The indicator
also turns off.)
■ To prevent sensor error (vehicles with auto anti-glare inside rear view
mirror)
Indicator
To ensure that the sensors operate prop-
erly, do not touch or cover them.
WARNING
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident,
resulting in death or serious injury.

3875-3. Operating the lights and wipers
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
5
Driving
Headlight switch
Operating the switch turns on the lights as follows:
The headlights, front
position lights, daytime
running lights ( P. 388)
and so on turn on and
off automatically (when
the power switch is in
ON mode).
The front position, tail,
license plate and instru-
ment panel lights turn
on.
The headlights and all
lights listed above
(except daytime run-
ning lights) turn on.
With the headlights on, push
the lever away from you to turn
on the high beams.
Pull the lever toward you to the
center position to turn the high
beams off.
Pull the lever toward you and
release it to flash the high
beams once.
You can flash the high beams wi th the headlights on or off.
The headlights can be operated manually or automatically.
Operating instructions
1
2
3
Turning on the high beam headlights
IO53PH030
1
2

3885-3. Operating the lights and wipers
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
This system allows the headlights and front position lights to be turned
on for 30 seconds when the power switch is off.
Pull the lever toward you and
release it with the light switch is in
the position after turning
the power switch off.
Pull the lever toward you and
release it again to turn off the
lights.
■ Daytime running light system
To make your vehicle more visible to other drivers during daytime driving, the
daytime running lights turn on automatically whenever the hybrid system is
started and the parking brake is released with the headlight switch in the
position. Daytime running lights are not designed for use at night.
■ Headlight control sensor
Follow me home system
IO53PH031
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the
windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the automatic headlight sys-
tem to malfunction.
Air conditioning operation may also be interrupted.