2023 TOYOTA PRIUS PRIME reset

2535-2. Driving procedures
5
Driving
1Stop the vehicle completely.
2 If the parking brake is in man-
ual mode, set the parking
brake. ( P.263)
3 Press the P position switch.
( P.257)
Check that the shift position indica-
tor shows P and the parking brake
indicator is illuminated.
4Press the power switch.
The hybrid system will stop, and the meter display will
be extinguished
(the shift position indicator will be
extinguished a few seconds after
the meter display).
5 Release the brake pedal and
check that “ACCESSORY” or
“POWER ON” is not shown
on the meter.
■When the shift control system
malfunctions
If the shift control system is malfunc-
tioning, when attempting to turn the
power switch off, it may not be able
to be turned off. In this situation, it
may be possible to turn the power
switch off by applying the parking
brake and then operating the power
switch.
If there is a malfunction in the sys-
tem, have the vehicle inspected by
your Toyota dealer immediately.
■Automatic hybrid system shut
off feature
●The vehicle is equipped with a
feature that automa tically shuts off
the hybrid system when the shift
position is in P with the hybrid sys-
tem operating for an extended
period.
●The hybrid system will automati-
cally shut off after approximately 1
hour if it has been left operating
while the shift position is in P.
●The timer for the automatic hybrid
system shut off fe ature will reset if
the brake pedal is depressed or if
the shift position is in a position
other than P.
●After the vehicle is parked, if the
door is locked with the door lock
switch ( P.187) from the inside
or the mechanical key ( P.587)
from the outside, the automatic
hybrid system shut off feature will
be disabled. The timer for the
automatic hybrid system shut off
feature will be re- enabled if the
driver’s door is opened.
WARNING
■When starting the hybrid sys-
tem
Always start the hybrid system
while sitting in the driver’s seat.
Do not depress the accelerator
pedal while starting the hybrid
system under any circumstances.
Doing so may cause an accident
resulting in death or serious
injury.
NOTICE
■When starting the hybrid sys-
tem
If the hybrid system becomes diffi-
cult to start, have your vehicle
checked by your Toyota dealer
immediately.
■Symptoms indicating a mal-
function with the power
switch
If the power switch seems to be
operating somewhat differently
than usual, such as the switch
sticking slightly, there may be a
malfunction. Contact your Toyota
dealer immediately.
Stopping the hybrid sys-
tem

4957-2. Maintenance
7
Maintenance and care
■Resetting the message indicat-
ing maintenance is required
After the required maintenance is
performed according to the mainte-
nance schedule, please reset the
reminder light or message.
To reset the reminder light or mes-
sage, follow the procedure
described below:
1 Press or of the meter
control switches on the steering
wheel and select .
2 Press or of the meter
control switches and select
“ Vehicle Settings”.
Then press and hold .
3 Press or of the meter
control switches and select
“Scheduled Maintenance”, and
then press .
4 Select “Yes” and press .
You can perform some mainte-
nance procedures by yourself.
Please be aware that do-it-your-
self maintenance may affect
warranty coverage.
The use of Toyota Repair Manuals
is recommended.
For details about warranty cover-
age, refer to the separate “Owner’s
Warranty Information Booklet” or
“Owner’s Manual Supplement”.
Do-it-yourself mainte-
nance
General maintenance
Listed below are the general
maintenance items that
should be performed at the
intervals specified in the
“Owner’s Warranty Informa-
tion Booklet” or “Owner’s
Manual Supplement/Sched-
uled Maintenance Guide”. It
is recommended that any
problem you notice should
be brought to the attention
of your Toyota dealer or
qualified service shop for
advice.
WARNING
■If the hybrid system is run-
ning
Turn the hybrid system off and
ensure that there is adequate
ventilation before performing
maintenance checks.
Engine compartment
ItemsCheck points
Brake fluid
Is the brake fluid at
the correct level?
(  P.509)
Engine/power
control unit
coolant
Is the
engine/power con-
trol unit coolant at
the correct level?
( P.507)
Engine oil
Is the engine oil at
the correct level?
( P.504)

5067-3. Do-it-yourself maintenance
sure that the engine is warmed up. If
the engine oil level exceeds the refill
upper limit mark, contact your
Toyota dealer.
■Checking the oil type and
preparing the items needed
Make sure to check the oil type
and prepare the items needed
before adding oil.
 Engine oil selection
P.602
 Oil quantity (Low level mark
 Refill upper limit mark)
1.6 qt. (1.5 L, 1.3 Imp. qt.)
 Item
Clean funnel
■Adding engine oil
If the oil level is below or near
the low level mark, add engine
oil of the same type as that
already in the engine.
1 Remove the oil filler cap by
turning it counterclockwise.
2 Add engine oil slowly, check-
ing the dipstick.
Make sure that the oil level does
not exceed the refill upper limit mark and is between the low level
mark and refill upp
er limit mark.
Low level mark
Refill upper limit mark
The shape of the dipstick may differ
depending on the type of vehicle or
engine.
3Install the oil filler cap by
turning it clockwise.
■After changing the engine
oil
The engine oil maintenance
data should be reset. Perform
the following procedures:
1 Press or of the meter
control switches and select
on the multi-information
display.
2 Press or of the meter
control switches and select
“ Vehicle Settings”. Then
press and hold .
3 Press or of the meter
control switches and select
“Oil Maintenance”. Then
press .
4 Select “Yes” and press .
Adding engine oil
A
B

5728-2. Steps to take in an emergency
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
● LCA (Lane Change Assist) (if
equipped)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●PDA (Proactive Driving Assist)
Follow the following correction
methods.
• Check if there is any foreign mat- ter attached to the radar sensor or
radar sensor cover and clean
them if necessary ( P.286)
• The radar sensor may be mis-
aligned and will be adjusted auto-
matically while driving. Continue
driving for a while.
■If “Unavailable Activation Con-
dition not Satisfied See Owner’s
Manual” is displayed
The LCA function cannot be
used as the operating conditions
have not been met.
Operate the turn signal lever again
after all of the op erating conditions
are met.
■If “Cruise Control Unavailable
See Owner’s Manual” is dis-
played
Indicates one of the following sys-
tems is disabled.
●Dynamic radar cruise control
●Cruise control
A message is displayed when the
driving assist switch is pushed
repeatedly.
Press the driving assist switch
quickly and firmly.
■If “Driver Monitor Out of Tem-
perature Range Wait until Nor-
mal Temperature” is displayed
Indicates one of the following sys-
tems is disabled.
●Driver monitor (if equipped)
●Traffic Jam Assist (if equipped)
The temperature of the driver moni-
tor camera is outside of the operat-
ing range. Wait for the temperature
to become appropriate.
■If “Driver Monitor Unavailable
See Owner’s Manual” is dis-
played
The lens of the driver monitor cam-
era may be dirty.
When there is dirt on the camera
lens, clean it with a dry, soft cloth so
as to not damage it.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level may be low.
Check the level of the engine oil,
and add engine oil if necessary.
(  P.506) This message may be
displayed if the vehicle is stopped
on a slope. Move the vehicle to a
level surface and check if the mes-
sage disappears.
■If “Maintenance Required
Soon” is shown
Indicates that all maintenance
according to the driven distance on
the maintenance schedule
* should
be performed soon.
Comes on approximately 4500
miles (7200 km) after the message
has been reset.
If necessary, perform maintenance.
Please reset the message after the
maintenance is performed.
(  P.495)
*: Refer to the separate “Scheduled
Maintenance Guide” or “Owner’
Manual Supplement” for the main-
tenance interval applicable to your
vehicle.
■If “Maintenance Required Visit
Your Dealer” is shown
Indicates that all maintenance is
required to correspond to the driven

5738-2. Steps to take in an emergency
8
When trouble arises
distance on the maintenance sched-
ule*.
Comes on approximately 5000
miles (8000 km) after the message
has been reset. (The indicator will
not work properly unless the mes-
sage has been reset.)
Perform the necessary mainte-
nance. Please reset the message
after the maintenance is performed.
(  P.495)
*: Refer to the separate “Scheduled
Maintenance Guide” or “Owner’
Manual Supplement” for the main-
tenance interval applicable to your
vehicle.
■If “Engine Maintenance
Required Visit Your Dealer” is
shown
The engine or an engine component
is malfunctioning. Have the vehicle
inspected by your Toyota dealer
immediately.
■If “Oil Maintenance Required
Soon” is displayed
Indicates that the engine oil should
be scheduled to be changed.
Check the engine oil and change it if
necessary.
After changing the engine oil, make
sure to reset the message.
(  P.506)
■If “Oil Maintenance Required
Visit Your Dealer” is displayed
Indicates that the engine oil should
be changed.
Check and change the engine oil,
and oil filter by your Toyota dealer.
After changing the engine oil, make
sure to reset the message.
(  P.506)
■If “Accelerator and Brake Ped-
als Pressed Simultaneously” is
shown
The accelerator and brake pedals
are being depressed simultane-
ously. ( P.240) Release the accelerator pedal and
depress the brake pedal.
■Warning buzzer
 P.563
WARNING
■If a warning light comes on or
a warning buzzer sounds
when a warning message is
shown on the multi-informa-
tion display
 P.564
NOTICE
■If “Maintenance Required For
Traction Battery At Your
Dealer” is shown
The hybrid battery (traction bat-
tery) is scheduled to be inspected
or replaced. Have the vehicle
inspected by your Toyota dealer
immediately.
●Continuing to drive the vehicle
without having the hybrid bat-
tery (traction battery) inspected
will cause the hybrid system not
to start.
●If the hybrid system does not
start, contact your Toyota
dealer immediately.

Alphabetical Index659
Door lock linked window opera-tion ..................................... 228
Jam protection function ........ 227
Operation ............................. 227
Window lock switch .............. 229
P position switch .................... 257
Pre-Collision System (PCS) Function ............................... 293
Warning light ........................ 558
Predictive efficient drive .......... 81
R
Radar cruise control Dynamic radar cruise control 331
Radiator ................................... 508
RCD (Rear Camera Detection) ............................................... 378Function ............................... 378
RCTA (Rear Cross Traffic Alert) ............................................... 373
RCTA Function ............................... 373
Rear Cross Traffic Alert (RCTA) ............................................... 373
Rear doors .............................. 185 Opener switch ...................... 188
Rear door child-protector lock........................................... 189
Rear seat reminder function . 188
Rear passengers’ seat belt reminder light ....................... 562
Rear seats ............................... 210 Folding down the rear seatbacks........................................... 210
Head restraints ..................... 212
Rear seat reminder function . 188
Seat heaters ......................... 443
Rear side marker lights ......... 269 Replacing exterior lights ....... 543
Switch................................... 269
Rear turn signal lights ........... 262 Replacing exterior lights ....... 543 Turn signal lever ...................262
Rear view mirror Digital Rear-view Mirror ........217
Inside rear view mirror ..........216
Outside rear view mirrors .....225
Rear window defogger ...........436
Refueling ............ .....................279
Capacity ...............................601
Fuel types .....................601, 607
Opening the fuel tank cap ....280
Regeneration Boost ...............260
Regenerative braking ...............78 Regeneration Boost..............260
Replacing Electronic key battery ...........538
Exterior lights........................543
Fuses....................................540
Tires .....................................526
Wireless remote control battery...........................................538
Replacing the tire ...................526
Reporting safety defects for Canadian owners ..................637
Reporting safety defects for U.S. owners ...................................636
Resetting the message indicat- ing maintenance is required 495
Road accident cautions ...........85
Road Sign Assist ....................329
RSA (Road Sign Assist) .........329
S
Safe Exit Assist.. .....................359
Safety Connect .........................65
Seat belt reminder light..........562
Seat belts...................................31 Adjusting the seat belt shoulder anchor height........................33
Automatic Locking Retractor ..33
Child restraint system installation .............................................55
Cleaning and maintaining the