2022 TOYOTA PRIUS PLUG-IN HYBRID ECU

3175-1. Before driving
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
5
Driving
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
Q When taking a nap in the vehicle
Always turn the hybrid system off. Otherwise, if you accidental ly move the
shift lever or depress the accelerator pedal, this could cause an accident or
fire due to hybrid system overheating. Additionally, if the veh icle is parked in
a poorly ventilated area, exhaust gases may collect and enter t he vehicle,
leading to death or a serious health hazard.
Q When braking
O When the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and this ma y cause
one side of the vehicle to brake differently than the other sid e. Also, the
parking brake may not securely hold the vehicle.
O If the electronically controlled assist function does not operate, do not fol-
low other vehicles closely and avoid downhill or sharp turns th at require
braking.
In this case, braking is still possible, but the brake pedal sh ould be
depressed more firmly than usual. Also, the braking distance wi ll increase.
Have your brakes fixed immediately.
O The brake system consists of 2 or more individual hydraulic systems; if
one of the systems fails, the other(s) will still operate. In t his case, the
brake pedal should be depressed more firmly than usual and the braking
distance will increase. Have your brakes fixed immediately.

3205-1. Before driving
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Cargo and luggage
Take notice of the following information about storage precau-
tions, cargo capacity and load.
WARNING
Q Things that must not be carried in the luggage compartment
The following things may cause a fire if loaded in the luggage compartment:
O Receptacles containing gasoline
O Aerosol cans
Q Storage precautions
Observe the following precautions.
Failure to do so may prevent the pedals from being depressed pr operly,
may block the driver’s vision, or may result in items hitting t he driver or pas-
sengers, possibly causing an accident.
O Stow cargo and luggage in the luggage compartment whenever possible.
O Do not stack cargo and luggage in the luggage compartment higher than
the seatbacks.
O When you fold down the rear seats, long items should not be placed
directly behind the front seats.
O Never allow anyone to ride in the luggage compartment. It is not designed
for passengers. They should ride in their seats with their seat belts prop-
erly fastened.
O Do not place cargo or luggage in or on the following locations.
• At the feet of the driver
• On the front passenger or rear seats (when stacking items)
• On the luggage cover
• On the instrument panel
• On the dashboard
O Secure all items in the occupant compartment.
Q Load and distribution
O Do not overload your vehicle.
O Do not apply loads unevenly.
Improper loading may cause deterioration of steering or braking control
which may cause death or serious injury.

3525-4. Refueling
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
WARNING
QWhen refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do
so may result in death or serious injury.
O After exiting the vehicle and before opening the fuel door, touch an
unpainted metal surface to discharge any static electricity. It is important to
discharge static electricity before refueling because sparks re sulting from
static electricity can cause fuel vapors to ignite while refuel ing.
O Always hold the grips on the fuel tank cap and turn it slowly to remove it.
A whooshing sound may be heard when the fuel tank cap is loosen ed.
Wait until the sound cannot be heard before fully removing the cap. In hot
weather, pressurized fuel may spray out of the filler neck and cause injury.
O Do not allow anyone that has not discharged static electricity from their
body to come close to an open fuel tank.
O Do not inhale vaporized fuel.
Fuel contains substances that are harmful if inhaled.
O Do not smoke while refueling the vehicle.
Doing so may cause the fuel to ignite and cause a fire.
O Do not return to the vehicle or touch any person or object that is statically
charged.
This may cause static electricity to build up, resulting in a p ossible ignition
hazard.
Q When refueling
Observe the following precautions to prevent fuel overflowing f rom the fuel
tank:
O Securely insert the fuel nozzle into the fuel filler neck.
O Stop filling the tank after the fuel nozzle automatically clicks off.
O Do not top off the fuel tank.
NOTICE
QRefueling
Do not spill fuel during refueling.
Doing so may damage the vehicle, such as causing the emission c ontrol
system to operate abnormally or damaging fuel system components or the
vehicle’s painted surface.
Q Notice about fuel
 P. 104

4415-5. Using the driving support systems
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
5
Driving
QConditions under which the system may not function correctly
OThe Blind Spot Monitor function may not detect vehicles correctly in the fol-
lowing situations:
• When the sensor is misaligned due to a strong impact to the sensor or its
surrounding area
• When mud, snow, ice, a sticker, etc. is covering the sensor or surround-
ing area on the rear bumper
• When driving on a road surface that is wet with standing water during bad
weather, such as heavy rain, snow, or fog
• When multiple vehicles are approaching with only a small gap between
each vehicle
• When the distance between your vehicle and a following vehicle is short
• When there is a significant difference in speed between your vehicle and
the vehicle that enters the detection area
• When the difference in speed between your vehicle and another vehicle
is changing
• When a vehicle enters a detection area traveling at about the same
speed as your vehicle
• As your vehicle starts from a stop, a vehicle remains in the detection area
• When driving up and down consecutive steep inclines, such as hills, dips
in the road, etc.
• When driving on roads with sharp bends, consecutive curves, or uneven
surfaces
• When vehicle lanes are wide, or when driving on the edge of a lane, and
the vehicle in an adjacent lane is far away from your vehicle
• When a bicycle carrier or other accessory is installed to the rear of the
vehicle
• When there is a significant difference in height between your vehicle and
the vehicle that enters the detection area
• Immediately after the Blind Spot Monitor function is turned on

4425-5. Using the driving support systems
Prius Plug-in Hybrid_OM_OM47E75E_(EE)OInstances of the Blind Spot Monitor function unnecessarily detecting a vehi-
cle and/or object may increase in the following situations:
• When the sensor is misaligned due to a strong impact to the sensor or its
surrounding area
• When the distance between your vehicle and a guardrail, wall, etc. that
enters the detection area is short
• When driving up and down consecutive steep inclines, such as hills, dips
in the road, etc.
• When vehicle lanes are narrow, or when driving on the edge of a lane,
and a vehicle traveling in a lane other than the adjacent lanes enters the
detection area
• When driving on roads with sharp bends, consecutive curves, or uneven
surfaces
• When the tires are slipping or spinning
• When the distance between your vehicle and a following vehicle is short
• When a bicycle carrier or other accessory is installed to the rear of the
vehicle

5366-1. Using the air conditioning system and defogger
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
QOperating conditions
The system will only operate if all of the following conditions are met:
OThe shift position is in P.
OThe power switch is off.
*
OAll doors are closed.
OThe hood is closed.
*: The Remote Air Conditioning System cannot be used for approximately 3
minutes and a half after the power switch is turned off.
QRemote Air Conditioning System automatic shut-off
The system will automatically shut off under the following conditions:
OAbout 10 minutes have passed since operation began
OAny one of the operating conditions is not met
The system may also shut off if the charge level of the hybrid battery (traction
battery) drops to low.
QConditions affecting operation
The system may not start in the following situations:
OThe charge level of the hybrid battery (traction battery) is low
OThe outside temperature is extremely low
OWhen the hybrid system is cool (for example, after being left for a long time
in low temperatures)
QWindshield defogger
When defogging the windshield using the Remote Air Conditioning System,
defogging may be insufficient due to the power being restricted more than
during normal air conditioning operation. Also, the outside of the windshield
may fog up due to the outside temperature, humidity or air conditioning set
temperature.
QUsing the heater via the Remote Air Conditioning System
When the outside heat exchanger becomes frosted over, heating perfor-
mance may decline due to automatically switching to the frost removal opera-
tion.
QSecurity feature
Any unlocked doors will be automatically locked when the system is operat-
ing. The emergency flashers flash to indicate that the doors have been locked
or the system has been turned off.
(The doors locked: Once; The system turned off: Twice)
QConditions affecting operation
P. 286

5536-3. Using the storage features
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
6
Interior features
QInstalling the luggage cover
Install one side of the luggage
cover to the holder. While push-
ing that side in, install the other
side to the opposite holder.
QUsing the luggage cover
Pull out the luggage cover and
secure it to the hook brackets.
QRemoving the luggage cover
Push one end of the luggage
cover inward and remove it
from the holder.
Luggage cover

5747-1. Maintenance and care
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Remove the filter.
Remove dust using a vac-
uum cleaner etc. to clean the
filter.
Also, remove dust on the grille
as well as on the filter using a
vacuum cleaner.
Reinstall the filter to the origi-
nal position.
Be careful not to deform the fil-
ter or allow a gap between the
filter and the installation posi-
tion when installing the filter.
Insert the tabs at the edge of
the grille to the positions, and
push the opposite side edge
in to secure the grille.
Reinstall the grille to the original
position while turning over the
rubber portion.
Start the hybrid system and check that the warning message on
the multi-information display disappears.
It may take several minutes before the warning message disappears.
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