2023 TOYOTA PRIUS PRIME maintenance

1603-1. Instrument cluster
compliance with the License.
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License at
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LICENSE-2.0
Unless required by applicable law or
agreed to in writing, software distrib-
uted under the License is distributed
on an “AS IS” BASIS, WITHOUT
WARRANTIES OR CONDITIONS
OF ANY KIND, either express or
implied. See the License for the
specific language governing permis-
sions and limitations under the
License.
The multi-information display
can be switched between dis-
play and hidden. Switches the items of the odom-
eter, trip meter A, trip meter B
and (oil maintenance) by
pressing the “ODO TRIP”
switch.
When the trip meter is dis-
played, pressing and holding the
switch will reset the trip meter.
■Pop-up display
Distance until the next engine oil
change will be displayed when a
warning message indicating that
oil maintenance is required or
should be performed soon is
displayed.
WARNING
■The information display at
low temperatures
Allow the interior of the vehicle to
warm up before using the liquid
crystal information display. At
extremely low temperatures, the
display monitor may respond
slowly, and display changes may
be delayed.
NOTICE
■To prevent damage to the
engine and its components
The engine may be overheating if
“Engine Coolant Temp High Stop
in a Safe Place See Owner’s
Manual” is shown on the multi-
information display. In this case,
immediately stop the vehicle in a
safe place, and check the engine
after it has cooled completely.
(  P.594)
Switching the meter dis-
play
Using the “O DO TRIP”
switch

1703-1. Instrument cluster
system.
•“Timing”
Select to set the alert timing for
FCTA system.
Regenerative brake
Select to set up the following items.
• “Deceleration”
Select to change the regenerative
braking force when Regeneration
Boost is operating. ( P.260)
• “Deceleration Memory”
Select to store the settings for
regenerative braking force.
(  P.260)
 “TPWS setting” (Tire Pres-
sure Warning System)
( P.516)
• “Tire Set Switching”
Select to register the tire pressure
warning system sensor ID code set.
( P.524)
• “Tire Rotation”
Select to register the position of
each wheel after performing a tire
rotation. ( P.518)
• “Tire Pressure Setting”
Select to perform the tire inflation
pressure setting procedure of the
tire pressure warning system.
(  P.520)
• “Pressure unit setting”
Select to change the units of mea-
sure displayed.( P.619)
 Driver monitor (if equipped)
Select to enable/disable the driver
monitor warning function. ( P.292)
 PBD (Power Back Door) (if equipped) (
P.194)
Select to set up the following items.
• System settings
Select to enable/d isable the power
back door system.
• “Opening Adjustment”
Select the open position when
power back door is fully open.
•“Volume”
Select to set the volume of the
buzzer which sounds when the
power back door system operates.
 “Scheduled Maintenance”
Select to reset the scheduled main-
tenance information (message indi-
cating maintenance is required and
distance until the next mainte-
nance) after all maintenance is per-
formed.
Oil Maintenance
Select to reset th e Oil maintenance.
(  P.506)
 Rear Seat Reminder
( P.188)
Select to enable/disable the rear
seat reminder function.
Digital Keys (if equipped)
Select to reset registered digital
keys. ( P.183)
■ Settings
 “Language”
Select to change the language on
the multi-information display.
“Units”
Select to change the unit of mea-
sure for fuel consumption.
“Meter Type”

1844-1. Key information
Be sure to carry the electronic
key of the vehicle if traveling
to a location with unreliable
communications.
 If the smartphone battery is
depleted, the smartphone
cannot be used as Digital
Key. If the battery level is low,
be sure to charge the smart-
phone prior to going out.
 The Digital Key system is
related to the smart key sys-
tem. If the smart key system
has been deactivated in the
vehicle customization setting,
the Digital Key will also be
disabled.
 Depending on the radio wave
environment, the Digital Key
may not be able to be used.
( P.205)
 When transferring vehicle
ownership, make sure to
delete the Digital Keys.
 If the vehicle is not operated
for 14 days or more, the Digi-
tal Key will not connect auto-
matically. Therefore, it may
take some time before the
system operates after a door
handle is touched.
 A part of the services may be
stopped for a certain period of
time due to server mainte-
nance. However, registered
Digital Keys can be used
during the maintenance.
 A smartphone with the Digital Key App enabled will be able
to lock and unlock the doors,
start the hybrid system and
perform any other operations
as same as the electronic key
of the vehicle. Be especially
careful not to lose the smart-
phone or allow it to be stolen.
If the smartphone is lost or
stolen, contact your Toyota
dealer immediately.
 When taking your vehicle to a
Toyota dealer for an inspec-
tion or repairs, make sure to
bring an electronic key.
 With the Digital Key alone, no
vehicle lights will illuminate
when approached to the vehi-
cle. Also, with the Digital Key
alone, some functions, such
as the power back door’s
close & lock (walk-away)
function, etc., cannot be used.

485
7
7
Maintenance and care
Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 486
Cleaning and protecting the vehicle interior ........... 490
7-2. Maintenance Maintenance requirements.................................. 494
General maintenance.. 495
Emission inspection and maintenance (I/M) pro-
grams ........................ 498
7-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 499
Hood ........................... 501
Positioning a floor jack 502
Engine compartment ... 504
12-volt battery ............. 511
Tires ............................ 513
Replacing the tire ........ 526
Tire inflation pressure . 532
Wheels ......... ...............534
Air conditioning filter .... 535
Electronic key battery.. 538
Checking and replacing fuses.......................... 540
Headlight aim .............. 542
Exterior lights .............. 543

4867-1. Maintenance and care
7-1.Maintenance and care
Working from top to bottom,
liberally apply water to the
vehicle body, wheel wells and
underside of the vehicle to
remove any dirt and dust.
 Wash the vehicle body using
a sponge or soft cloth, such
as a chamois.
 For hard-to-remove marks,
use car wash soap and rinse
thoroughly with water.
 Wipe away any water.
 Wax the vehicle when the
waterproof coating deterio-
rates.
If water does not bead on a clean
surface, apply wax when the vehi-
cle body is cool.
■Before car washes
Check that the fuel filler door and
charging port lid on your vehicle are
closed properly.
■Automatic car washes
●Before washing the vehicle:
• Fold the mirrors
• Turn off the power back door
Start washing from the front of the vehicle. Make sure to extend the
mirrors before driving.
●Brushes used in automatic car
washes may scratch the vehicle
surface, parts (wheel, etc.) and
harm your vehicle’s paint.
●Rear spoiler may not be washable
in some automatic car washes.
There may also be an increased
risk of damage to vehicle.
●When the shift position needs to
be held in N, refer to P.259.
●If you need to release the parking
brake, turn off the brake hold sys-
tem, release the parking brake,
and set the power switch to ACC
while holding the N position.
(
 P.259)
■High pressure car washes
As water may enter the cabin, do
not bring the nozzle tip near the
gaps around the doors or perimeter
of the windows, or spray these
areas continuously.
■Note for a smart key system
If the door handle becomes wet
while the electronic key is within the
effective range, the door may lock
and unlock repeatedly. In that case,
follow the following correction pro-
cedures to wash the vehicle:
●Place the key in a position 6 ft. (2
m) or more separate from the
vehicle while the vehicle is being
washed. (Take care to ensure that
the key is not stolen.)
●Set the electronic key to battery-
saving mode to disable the smart
key system. ( P.205)
■Wheels and wheel ornaments
(vehicles without matte painted
wheels)
●Remove any dirt immediately by
using a neutral detergent.
●Wash detergent off with water
immediately after use.
●To protect the paint from damage,
make sure to observe the follow-
Cleaning a nd protect-
ing the vehicle exte-
rior
Perform the following to
protect the vehicle and
maintain it in prime condi-
tion:
Cleaning instructions

4877-1. Maintenance and care
7
Maintenance and care
ing precautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such
as after driving or parking in hot
weather
■Wheels and wheel ornaments
(vehicles with matte painted
wheels)
A different set of care is necessary
for matte painted wheels and wheel
ornaments.
Contact your Toyota dealer for
details.
●Remove dirt using water as early
as possible.
If the wheels are excessively dirty,
use diluted neutral detergent.
●When using detergent, make sure
to rinse it off with water immedi-
ately. Then use a soft cloth to
wipe off the water.
●Use a sponge or soft cloth to
remove the dirt by hand.
●To prevent the ma tte paint from
being damaged or glossy, make
sure to observe the following pre-
cautions:
• Do not apply any coatings or wax.
• Do not use acidic, alkaline or
abrasive detergents.
• When using tire cleaners or tire
wax, do not allow them to be
applied to the wheels.
• Do not scrub or polish the wheels
using a brush or dry cloth, etc.
• When using an automatic car wash, do not select the wheel
brush function.
• Do not use a high pressure washer or steam cleaner.
• Do not use detergent on the
wheels when they are hot, such
as after driving or parking in hot
weather.
■Brake pads and calipers
Rust may form if the vehicle is
parked with wet brake pads or disc rotors, causing them to stick. Before
parking the vehicle after it is
washed, drive slowly and apply the
brakes several times to dry the
parts.
■Bumpers
Do not scrub with abrasive cleaners.
■Front side windows water-
repellent coating (if equipped)
The following precautions can
extend the effectiveness of the
water-repellent coating.
●Remove any dirt, etc., from the
front side windows regularly.
●Do not allow dirt and dust to accu-
mulate on the windows for a long
period. Clean the windows with a
soft, damp cloth as soon as possi-
ble.
●Do not use wax or glass cleaners
that contain abrasives when
cleaning the windows.
●Do not use any metallic objects to
remove condensation build up.
■Plated portions
If dirt cannot be removed, clean the
parts as follows:
●Use a soft cloth dampened with
an approximately 5% solution of
neutral detergent and water to
clean the dirt off.
●Wipe the surface with a dry, soft
cloth to remove any remaining
moisture.
●To remove oily deposits, use alco-
hol wet wipes or a similar product.
WARNING
■When washing the vehicle
Do not apply water to the inside of
the engine compartment. Doing
so may cause the electrical com-
ponents, etc. to catch fire.

4887-1. Maintenance and care
WARNING
■While charging
Do not wash the vehicle.
Doing so may cause the electrical
components to malfunction or
catch fire and also you may get an
electric shock that may result in
death or serious injury.
■When cleaning the windshield
Set the wiper switch to off.
If the wiper switch is in “AUTO”,
the wipers may operate unexpect-
edly in the following situations,
and may result in hands being
caught or other serious injuries
and cause damage to the wiper
blades.
Off
AUTO
●When the upper part of the
windshield where the raindrop
sensor is located is touched by
hand
●When a wet rag or similar is
held close to the raindrop sen-
sor
●If something bumps against the
windshield
●If you directly touch the raindrop
sensor body or if something
bumps into the raindrop sensor
A
B
■Precautions regarding the
exhaust pipe
Exhaust gasses cause the
exhaust pipe to become quite hot.
When washing the vehicle, be
careful not to touch the pipe until it
has cooled sufficiently, as touch-
ing a hot exhaust pipe can cause
burns.
■Precaution regarding the
front and rear bumpers
If the paint of the front or rear
bumper is chipped or scratched,
the following systems may not
function correctly. If this occurs,
consult your Toyota dealer.
• BSM (if equipped)
• RCTA (if equipped)
• SEA (if equipped)
• PKSB (if equipped)
• Intuitive parking assist
• Toyota Safety Sense 3.0

4897-1. Maintenance and care
7
Maintenance and care
NOTICE
■To prevent paint deterioration
and corrosion on the body
and components (aluminum
wheels, etc.)
●Wash the vehicle immediately in
the following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on
the paint surface
• After driving in an area contami- nated with soot, oily smoke,
mine dust, iron powder or chem-
ical substances
• If the vehicle becomes heavily soiled with dust or mud
• If liquids such as benzene and gasoline are spilled on the paint
surface
●If the paint is chipped or
scratched, have it repaired
immediately.
●To prevent the wheels from cor-
roding, remove any dirt and
store in a place with low humid-
ity when storing the wheels.
■To prevent damage to the
windshield wiper arms
When lifting the wiper arms away
from the windshield pull the driver
side wiper arm upward first, and
repeat for the passenger’s side.
When returning the wipers to their
original position, do so from the
passenger’s side first.
■Cleaning the exterior lights
●Wash carefully. Do not use
organic substances or scrub
with a hard brush.
This may damage the surfaces
of the lights.
●Do not apply wax to the sur-
faces of the lights.
Wax may cause damage to the
lenses.
■Cleaning the radiator grille
Observe the following precautions
to avoid damage to the radiator
grille surface.
●Do not use a hard brush. Use a
soft cloth or sponge to wipe.
●Remove any dirt by using a
neutral detergent. Do not use
waxes or alcohols (e.g. glass
cleaner).
●Wash detergent off with water
after washing the vehicle.
■When using an automatic car
wash
Set the wiper switch to off posi-
tion.
If the wiper switch is in “AUTO”,
the wipers may operate and the
wiper blades may be damaged.
■When using a high pressure
car wash
●When washing the vehicle, do
not spray the camera or its sur-
rounding area directly with a
high pressure washer. Shock
applied from high pressure
water may cause the device to
not operate normally.
●Do not spray water directly on
the radar which is equipped
behind the emblem. Otherwise
it may cause the device to be
damaged.