maintenance reset TOYOTA COROLLA HYBRID 2020 Owners Manual (in English)

3987-2. Maintenance
COROLLA HV_U
■Resetting the message indicat-
ing maintenance is required
After the required maintenance is
performed according to the mainte-
nance schedule, please reset the
message.
To reset the messa ge, follow the
procedure described below:
1 Press or of the meter
control switch to select .
2 Press or to select “Vehi-
cle Settings” and then press and
hold .
3 Press or to select
“Scheduled Maintenance” and
then press .
4 Press or to select “Yes”
and then press .
A message will be displayed on the
multi-information display when the
reset procedure has been com-
pleted.
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.
WA R N I N G
■If the hybrid sys tem is operat-
ing
Turn the hybrid system off and
ensure that there is adequate
ventilation before performing
maintenance checks.
Engine compartment
ItemsCheck points
12-Volt batteryCheck the connec-
tions. ( P.411)
Brake fluid
Is the brake fluid at
the correct level?
( P.410)
Engine/power
control unit
coolant
Is the
engine/power con-
trol unit coolant at
the correct level?
( P.408)

4207-3. Do-it-yourself maintenance
COROLLA HV_U
sure warning light blinks 3
times.
■Initialization procedure
●Make sure to carry out initializa-
tion after adjusting the tire inflation
pressure.
Also, make sure the tires are cold
before carrying out initialization or
tire inflation pressure adjustment.
●If you have accidentally turned the
power switch off during initializa-
tion, it is not necessary to press
the reset switch again as initializa-
tion will restart aut omatically when
the power switch to ON for the
next time.
●If initialization has accidentally
been started when it is not neces-
sary, adjust the tire inflation pres-
sure to the specif ied level when
the tires are cold, and then per-
form the initialization procedure
again.
■When initialization of the tire
pressure warning system has
failed
Initialization can be completed in a
few minutes. However, in the follow-
ing cases, the set tings have not
been recorded an d the system will
not operate properly. If repeated
attempts to record tire inflation pres-
sure settings are unsuccessful,
have the vehicle inspected by your
Toyota dealer.
●When attempting to start initializa-
tion, the tire pressure warning light
does not blink 3 times.
●After driving for a certain period of
time since the initialization has
been completed, the warning light
comes on after bl inking for 1 min-
ute.
The tire pressure warning valve
and transmitter is equipped with
a unique ID code. When replac-
ing a tire pressure warning valve
and transmitter, it is necessary
to register the ID code. Have the
ID code registered by your Toy-
ota dealer.
Your vehicle is equipped with
tire pressure warning system
with the function to have ID
codes registered for a second
wheel set, for example a winter
set, by Toyota dealer.
After registration of a second
wheel set, either of these two
wheel sets can be selected for
usage with the tire pressure
warning system.
WA R N I N G
■When initializing the tire pres-
sure warning system
Do not initialize the tire pressure
warning system without first
adjusting the tire inflation pres-
sure to the specified level. Other-
wise, the tire pressure warning
light may not come on even if the
tire inflation press ure is low, or it
may come on when the tire infla-
tion pressure is actually normal.
Registering ID codes
Selecting wheel set

4618-2. Steps to take in an emergency
COROLLA HV_U
8
When trouble arises
■If “Radar Cruise Control
Unavailable S ee Owner's Man-
ual” is displayed
The dynamic radar cruise control
with full-speed range system is sus-
pended temporarily or until the prob-
lem shown in the message is
resolved. (causes a nd coping meth-
ods: P.172)
■If “Radar Cruise Control
Unavailable” is displayed
The dynamic radar cruise control
with full-speed range system cannot
be used temporarily. Use the system
when it becomes available again.
■If “Maintenance Required
Soon” is displayed
Indicates that all maintenance
according to the dr iven distance on
the maintenance schedule
* should
be performed soon.
Comes on approximately 4500
miles (7200 km) after the message
has been reset. If necessary, per-
form maintenance. Please reset the
message after the maintenance is
performed. ( P.398)
*: Refer to the separate “Scheduled
Maintenance” or “Owner’s Man-
ual Supplement” for the mainte-
nance interval applicable to your
vehicle.
■If “Maintenance Required Visit
Your Dealer” is displayed
Indicates that all maintenance is
required to correspond to the driven
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 maintenance. Please
reset the message after the mainte-
nance is performed. ( P.398)
*: Refer to the separate “Scheduled Maintenance” or
“Owner’s Man-
ual Supplement” for the mainte-
nance interval applicable to your
vehicle.
■If a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the
multi-information di splay is malfunc-
tioning. Have the vehicle inspected
by your Toyota dealer immediately.
■If a message that indicates the
need for referring to Owner’s
Manual is displayed
●If “Engine Coolant Temp High” is
displayed, follow t he instructions
accordingly. ( P.489)
●If any of the following messages
are displayed on the multi-infor-
mation display, it may indicate a
malfunction. Hav e the vehicle
inspected by your Toyota dealer
immediately.
• “Smart Key System Malfunction”
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunc-
tion”
• “Accelerator System Malfunction”
●If any of the following messages
are displayed on the multi-infor-
mation display, it may indicate a
malfunction. Immediately stop the
vehicle and contact your Toyota
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
●If any of the following messages
are shown on the multi-informa-
tion display, the vehicle may have
run out of fuel. Stop the vehicle in
a safe place and, if the fuel level is
low, refuel the vehicle. ( P. 7 1 )
• “Hybrid System Stopped”
• “Engine Stopped”
●If “Maintenance Required for Trac-
tion Battery Cooling Parts See
Owner's Manual” is shown, the fil-
ters may be clogged, the air intake

548Alphabetical Index
COROLLA HV_U
Fuel types............................. 497
If the fuel filler door cannot be opened ............................... 483
Opening the fuel tank cap .... 165
Regenerative braking ............... 69
Registering/Connecting a Blue- tooth
® device ........................ 248
Profiles ................................. 251
Registering a Bluetooth
® audio
player for the first time........ 250
Registering a Bluetooth
® phone
for the first time .................. 248
Replacing Electronic key battery ........... 431
Fuses ................................... 433
Light bulbs ............................ 435
Tires ..................................... 473
Reporting safety defects for U.S. owners................................... 526
Resetting the message indicat- ing maintenance is required 398
Road Sign Assist .................... 202
RSA (Road Sign Assist) ......... 202
S
Safety Connect ......................... 62
Screen adjustment ................. 246
Seat belt reminder light . 453, 454
Seat belts .................................. 27 Adjusting the seat belt ............ 29
Automatic Locking Retractor .. 29
Child restraint system installation ............................................. 49
Cleaning and maintaining the seat belt.............................. 394
Emergency Locking Retractor 29
How to wear your seat belt..... 28
How your child should wear the seat belt................................ 28
Pregnant women, proper seat belt use................................. 27 Reminder light and buzzer .453,
454
Seat belt extender ..................28
Seat belt pretensioners ..........30
SRS warning light .................452
Seat heaters ............................365
Seating capacity .....................141
Seats Adjustment ........................... 118
Adjustment precautions ........ 118
Child seats/child restraint system installation ............................47
Cleaning ...............................394
Head restraints .....................121
Properly sitting in the seat ......25
Seat heaters ....... ..................365
Secondary Collision Brake ....221
Sensor Automatic headlight system .159
Automatic High Beam system...........................................160
BSM (Blind Sport Monitor) ....205
Inside rear view mirror ..........125
LTA (Lane Tracing Assist) .....182
Radar sensor ................168, 207
Service plug ..............................71
Service reminder message ....398
Setup button (Menu screen) 235, 238
Setup screen ...........................238
Shift lever Hybrid transmission ..............149
If th e s hif t le ver ca n no t b e s hif te d from P .................................150
Shift lock system ....................150
Side airbags ..............................31
Side marker lights Light switch...........................158
Replacing light bulbs ....436, 437
Wattage ................................502
Side mirrors Adjustment ...........................125