Toyota Corolla Hybrid (2020 year). Owner's manual - part 5

70

1-4. Hybrid system

■

After the 12-volt battery has dis-

charged or when the terminal 

has been removed and installed 

during exchange, etc.

The gasoline engine may not stop 

even if the vehicle is being driven by 

the hybrid battery (traction battery). 

If this continues for a few days, con-

tact your Toyota dealer.

■

Sounds and vibrations specific 

to a hybrid vehicle

There may be no engine sound or 

vibration even though the vehicle is 

able to move with the “READY” indi-

cator is illuminated. For safety, apply 

the parking brake and make sure to 

shift the shift lever to P when 

parked.
The following sounds or vibrations 

may occur when the hybrid system 

is operating and are not a malfunc-

tion:

●

Motor sounds may be heard from 

the engine compartment.

●

Sounds may be heard from the 

hybrid battery (traction battery) 

under the rear seats when the 

hybrid system starts or stops.

●

Relay operating sounds such as a 

snap or soft clank will be emitted 

from the hybrid battery (traction 

battery), under the rear seats, 

when the hybrid system is started 

or stopped.

●

Sounds from the hybrid system 

may be heard when the trunk lid is 

open.

●

Sounds may be heard from the 

transmission when the gasoline 

engine starts or stops, when driv-

ing at low speeds, or during idling.

●

Engine sounds may be heard 

when accelerating sharply.

●

Sounds may be heard due to 

regenerative braking when the 

brake pedal is depressed or as 

the accelerator pedal is released.

●

Vibration may be felt when the 

gasoline engine starts or stops.

●

Cooling fan sounds may be heard 

from the air intake vent on the side 

of the lower part of the rear right 

seat.

■

Maintenance, repair, recycling, 

and disposal

Contact your Toyota dealer regard-

ing maintenance, repair, recycling 

and disposal. Do not dispose of the 

vehicle yourself.

■

Customization

Some functions can be customized. 

(P.516)

When driving with the gasoline 
engine stopped, a sound, which 
changes in accordance with the 
driving speed, will be played in 
order to warn people nearby of 
the vehicle’s approach. The 
sound will stop when the vehicle 
speed exceeds approximately 
22 mph (35 km/h).

■

Vehicle proximity notification 

system

In the following cases, the vehicle 

proximity notification system may be 

difficult for surrounding people to 

hear.

●

In very noisy areas

●

In the wind or the rain

Also, as the vehicle proximity notifi-

cation system is installed on the 

front of the vehicle, it may be more 

difficult to hear from the rear of the 

vehicle compared to the front.

Vehicle proximity notifica-
tion system

71

1-4. Hybrid system

1

For safety and secu

rity

The illustration is an example for explanation and may differ from the actual 
item.

Warning label
Service plug
Hybrid battery (traction battery)
High voltage cables (orange)
Electric motor (traction motor)
Air conditioning compressor
Power control unit

■

Running out of fuel

When the vehicle has run out of fuel 

and the hybrid system cannot be 

started, refuel the vehicle with at 

least enough gasoline to make the 

low fuel level warning light (P.453) 

go off. If there is only a small 

amount of fuel, the hybrid system 

may not be able to start. (The stan-

dard amount of fuel is about 2.0 gal. 

[7.6 L, 1.7 Imp. gal.] when the vehi-

cle is on a level surface. This value 

may vary when the vehicle is on a 

slope. Add extra fuel when the vehi-

cle is inclined.)

Hybrid system precautions

Take care when handling the hybrid system, as it is a high 
voltage system (about 600 V at maximum) as well as contains 
parts that become extremely hot when the hybrid system is 
operating. Obey the warning labels attached to the vehicle.

System components

72

1-4. Hybrid system

■

Electromagnetic waves

●

High voltage parts and cables on 

hybrid vehicles incorporate elec-

tromagnetic shielding, and there-

fore emit approximately the same 

amount of electromagnetic waves 

as conventional gasoline pow-

ered vehicles or home electronic 

appliances.

●

Your vehicle may cause sound 

interference in some third 

party-produced radio parts. 

■

Hybrid battery (traction battery)

The hybrid battery (traction battery) 

has a limited service life. The lifes-

pan of the hybrid battery (traction 

battery) can change in accordance 

with driving style and driving condi-

tions.

WARNING

■

High voltage precautions

This vehicle has high voltage DC 

and AC systems as well as a 

12-volt system. DC and AC high 

voltage is very dangerous and 

can cause severe burns and elec-

tric shock that may result in death 

or serious injury.

●

Never touch, disassemble, 

remove or replace the high volt-

age parts, cables or their con-

nectors.

●

The hybrid system will become 

hot after starting as the system 

uses high voltage. Be careful of 

both the high voltage and the 

high temperature, and always 

obey the warning labels 

attached to the vehicle.

●

Never try to open the service 

plug access hole located under 

the right side of the rear seat. 

The service plug is used only 

when the vehicle is serviced 

and is subject to high voltage.

■

Road accident cautions

Observe the following precautions 

to reduce the risk of death or seri-

ous injury:

●

Pull your vehicle off the road, 

apply the parking brake, shift 

the shift lever to P, and turn the 

hybrid system off.

●

Do not touch the high voltage 

parts, cables and connectors.

●

If electric wires are exposed 

inside or outside your vehicle, 

an electric shock may occur. 

Never touch exposed electric 

wires.

●

If a fluid leak occurs, do not 

touch the fluid as it may be 

strong alkaline electrolyte from 

the hybrid battery (traction bat-

tery). If it comes into contact 

with your skin or eyes, wash it 

off immediately with a large 

amount of water or, if possible, 

boric acid solution. Seek imme-

diate medical attention.

●

If a fire occurs in the hybrid 

vehicle, leave the vehicle as 

soon as possible. Never use a 

fire extinguisher that is not 

meant for electric fires. Using 

even a small amount of water 

may be dangerous.

73

1-4. Hybrid system

1

For safety and secu

rity

There is an air intake vent under 
the right side of the rear seat for 
the purpose of cooling the 
hybrid battery (traction battery). 
If the vent becomes blocked, the 
hybrid battery may overheat, 
charging/discharging of the 
hybrid battery (traction battery) 
may become limited.

WARNING

●

If your vehicle needs to be 

towed, do so with the front 

wheels raised. If the wheels 

connected to the electric motor 

(traction motor) are on the 

ground when towing, the motor 

may continue to generate elec-

tricity. This may cause a fire. 

(P.445)

●

Carefully inspect the ground 

under the vehicle. If you find 

that liquid has leaked onto the 

ground, the fuel system may 

have been damaged. Leave the 

vehicle as soon as possible.

■

Hybrid battery (traction bat-

tery)

●

Never resell, hand over or mod-

ify the hybrid battery. To prevent 

accidents, hybrid batteries that 

have been removed from a dis-

posed vehicle are collected 

through Toyota dealer. Do not 

dispose of the battery yourself.

Unless the battery is properly col-

lected, the following may occur, 

resulting in death or serious 

injury:
• The hybrid battery may be ille-

gally disposed of or dumped, 

and it is hazardous to the envi-

ronment or someone may touch 

a high voltage part, resulting in 

an electric shock.

• The hybrid battery is intended to 

be used exclusively with your 

hybrid vehicle. If the hybrid bat-

tery is used outside of your 

vehicle or modified in any way, 

accidents such as electric 

shock, heat generation, smoke 

generation, an explosion and 

electrolyte leakage may occur.

When reselling or handing over 

your vehicle, the possibility of an 

accident is extremely high 

because the person receiving the 

vehicle may not be aware of these 

dangers.

●

If your vehicle is disposed of 

without the hybrid battery hav-

ing been removed, there is a 

danger of serious electric shock 

if high voltage parts, cables and 

their connectors are touched. In 

the event that your vehicle must 

be disposed of, the hybrid bat-

tery must be disposed of by 

your Toyota dealer or a qualified 

service shop. If the hybrid bat-

tery is not disposed of properly, 

it may cause electric shock that 

can result in death or serious 

injury.

NOTICE

■

Hybrid battery (traction bat-

tery) air intake vent

Do not carry large amounts of 

water such as water cooler bottles 

in the vehicle. If water spills onto 

the hybrid battery (traction bat-

tery), the battery may be dam-

aged. Have the vehicle inspected 

by your Toyota dealer.

Hybrid battery (traction 
battery) air intake vent

74

1-4. Hybrid system

When a certain level of impact is 
detected by the impact sensor, 
the emergency shut off system 
blocks the high voltage current 

and stops the fuel pump to mini-
mize the risk of electrocution 
and fuel leakage. If the emer-
gency shut off system activates, 
your vehicle will not restart. To 
restart the hybrid system, con-
tact your Toyota dealer.

A message is automatically dis-
played when a malfunction 
occurs in the hybrid system or 
an improper operation is 
attempted.
If a warning message is shown 
on the multi-information display, 
read the message and follow the 
instructions.

■

If a warning light comes on, a 

warning message is displayed, 

or the 12-volt battery is discon-

nected

The hybrid system may not start. In 

this case, try to start the system 

again. If the “READY” indicator does 

not come on, contact your Toyota 

dealer.

NOTICE

■

Hybrid battery (traction bat-

tery) air intake vent

●

Make sure that the air intake 

vent is not blocked, such as by 

a seat cover, plastic cover, or 

luggage. If the vent is blocked, 

charging/discharging of the 

hybrid battery (traction battery) 

may become limited, possibly 

leading to a malfunction.

●

Clean the air intake vent regu-

larly to prevent the hybrid bat-

tery (traction battery) from 

overheating.

●

Do not allow liquid or foreign 

material to enter the air intake 

vent as this may cause a short 

circuit and damage the hybrid 

battery (traction battery).

●

A filter is installed to the air 

intake vent. When the filter 

remains noticeably dirty even 

after cleaning the air intake 

vent, filter cleaning or replace-

ment is recommended. Refer to 

P.427 for details on how to clean 

the filters.

Emergency shut off sys-
tem 

Hybrid warning message

75

1-5. Theft deterrent system

1

For safety and secu

rity

1-5.Theft deterrent system

The indicator light flashes after 
the power switch has been 
turned off to indicate that the 
system is operating.
The indicator light stops flashing 
after the power switch has been 
turned to ACC or ON to indicate 
that the system has been can-
celed.

■

System maintenance

The vehicle has a mainte-

nance-free type immobilizer system.

■

Conditions that may cause the 

system to malfunction

●

If the grip portion of the key is in 

contact with a metallic object

●

If the key is in close proximity to or 

touching a key to the security sys-

tem (key with a built-in transpon-

der chip) of another vehicle

Immobilizer system

The vehicle’s keys have 
built-in transponder chips 
that prevent the hybrid sys-
tem from starting if a key 
has not been previously 
registered in the vehicle’s 
on-board computer. 

Never leave the keys inside 
the vehicle when you leave 
the vehicle.

This system is designed to 
help prevent vehicle theft 
but does not guarantee 
absolute security against all 
vehicle thefts.

Operating the system

76

1-5. Theft deterrent system

■

Certifications for the immobilizer system



Except for vehicles sold in Canada



For vehicles sold in Canada

77

1-5. Theft deterrent system

1

For safety and secu

rity

■

Items to check before lock-
ing the vehicle

To prevent unexpected trigger-
ing of the alarm and vehicle 
theft, make sure of the following:


Nobody is in the vehicle.



The windows are closed 
before the alarm is set.



No valuables or other per-
sonal items are left in the 
vehicle.

■

Setting

Close the doors, trunk and 
hood, and lock all the doors. 
The system will set automati-
cally after 30 seconds.

The indicator light changes from 

NOTICE

■

To ensure the system oper-

ates correctly

Do not modify or remove the sys-

tem. If modified or removed, the 

proper operation of the system 

cannot be guaranteed.

Alarm

The alarm uses light and 
sound to give an alert when 
an intrusion is detected. 
The alarm is triggered in the 
following situations when 
the alarm is set:



A locked door or trunk is 
unlocked or opened in any 
way other than using the 
entry function, wireless 
remote control or mechani-
cal key. (The doors will lock 
again automatically.)



The hood is opened.

Setting/canceling/stop-
ping the alarm system

78

1-5. Theft deterrent system

being on to flashing when the sys-
tem is set.

■

Canceling or stopping

Do one of the following to deac-
tivate or stop the alarms:


Unlock the doors.



Turn the power switch to ACC 
or ON, or start the hybrid sys-
tem. (The alarm will be deacti-
vated or stopped after a few 
seconds.)

■

System maintenance

The vehicle has a mainte-

nance-free type alarm system.

■

Triggering of the alarm

The alarm may be triggered in the 

following situations: 

(Stopping the alarm deactivates the 

alarm system.)

●

A person inside the vehicle opens 

a door, the trunk or hood, or 

unlocks the vehicle using a door 

lock switch or inside lock button.

●

The 12-volt battery is recharged or 

replaced when the vehicle is 

locked. (P.487)

■

Alarm-operated door lock

In the following cases, depending 

on the situation, the door may auto-

matically lock to prevent improper 

entry into the vehicle:

●

When a person remaining in the 

vehicle unlocks the door and the 

alarm is activated.

●

While the alarm is activated, a 

person remaining in the vehicle 

unlocks the door.

●

When recharging or replacing the 

12-volt battery

NOTICE

■

To ensure the system oper-

ates correctly

Do not modify or remove the sys-

tem. If modified or removed, the 

proper operation of the system 

cannot be guaranteed.

79

2

2

Vehicle

 statu

s information an

d in
dicator

s

Vehicle status information

and indicators

.

2-1. Instrument cluster

Warning lights and indica-

tors ...............................

80

Gauges and meters .......

84

Multi-information display

.....................................

89

Energy monitor/consump-

tion screen....................

95

80

2-1. Instrument cluster

2-1.Instrument cluster



7-inch display (when analog speedometer is displayed)



7-inch display (when digital speedometer is displayed)

Warning lights inform the driver 
of malfunctions in the indicated 

Warning lights and indicators

The warning lights and indicators on the instrument cluster, 
center panel and outside rear view mirrors inform the driver of 
the status of the vehicle’s various systems.

Warning lights and indicators displayed on the instru-
ment cluster

Warning lights

81

2-1. Instrument cluster

2

Vehicle

 statu

s information an

d in
dicator

s

vehicle’s systems.

*1

:These lights come on when the 

power switch is turned to ON to 
indicate that a system check is 
being performed. They will turn 
off after the hybrid system is 
started, or after a few seconds. 
There may be a malfunction in a 
system if the lights do not come 
on, or turn off. Have the vehicle 
inspected by your Toyota dealer.

(U.S.A.)

Brake system warning 
light

*1

 (P.450)

(Red)

(Canada)

Brake system warning 
light

*1

 (P.450)

(Yellow)

Brake system warning 
light

*1

 (P.450)

High coolant temperature 
warning light

*2

 (P.450)

Hybrid system overheat 
warning light

*2

 (P.451)

Charging system warning 
light

*1

 (P.451)

Low engine oil pressure 
warning light

*2

 (P.451)

(U.S.A.)

Malfunction indicator 
lamp

*1

 (P.451)

(Canada)

Malfunction indicator 
lamp

*1

 (P.451)

SRS warning light

*1

 

(P.452)

(U.S.A.)

ABS warning light

*1

 

(P.452)

(Canada)

ABS warning light

*1

 

(P.452)
Brake Override System 
warning light/Drive-Start 
Control warning light

*2

 

(P.452)

(Red)

Electric power steering 
system warning light

*1

 

(P.453)

(Yellow)

Electric power steering 
system warning light

*1

 

(P.453)
Low fuel level warning 
light (P.453)
Driver’s and front passen-
ger’s seat belt reminder 
light (P.453)

Rear passengers’ 
seat belt reminder 
lights (P.454)

Tire pressure warning 
light

*1

 (if equipped) 

(P.454)

(Orange)

LTA indicator (P.454)

(Flashes 

or illumi-

nates)

PCS warning light

*1

 

(P.455)

Slip indicator

*1

 (P.455)

(Flashes)

(U.S.A.)

Parking brake indicator 
(P.455)

(Flashes)

Parking brake indicator 
(P.455)

(Flashes)

Brake hold operated indi-
cator

*1 

(P.456)

82

2-1. Instrument cluster

*2

:This light illuminates on the 

multi-information display.

The indicators inform the driver 
of the operating state of the 
vehicle’s various systems.

WARNING

■

If a safety system warning 

light does not come on

Should a safety system light such 

as the ABS and SRS warning light 

not come on when you start the 

hybrid system, this could mean 

that these systems are not avail-

able to help protect you in an acci-

dent, which could result in death 

or serious injury. Have the vehicle 

inspected by your Toyota dealer 

immediately if this occurs.

Indicators

Turn signal indicator 
(P.152)

(U.S.A.)

Headlight indicator 
(P.158)

(Canada)

Tail light indicator 
(P.158)

Headlight high beam indi-
cator (P.160)
Automatic High Beam 
indicator (P.160)
PCS warning light

*1, 2

 

(P.176)
Cruise control indicator 
(P.192)
Dynamic radar cruise con-
trol indicator (P.192)
Cruise control “SET” indi-
cator (P.192)

*3

LTA indicator (P.187)

BSM outside rear view 
mirror indicators

*4, 5

 (if 

equipped) (P.206)
BSM indicator (if 
equipped) (P.206)

(Flashes)

Slip indicator

*1

 (P.221)

VSC OFF indicator

*1, 2

 

(P.222)
Smart key system indica-
tor

*6

 (P.143)

“READY” indicator 
(P.143)
EV drive mode indicator 
(P.147)

(U.S.A.)

Parking brake indicator 
(P.153)

(Canada)

Parking brake indicator 
(P.153)

Brake hold standby indi-
cator

*1

 (P.156)

Brake hold operated indi-
cator

*1

 (P.156)

EV indicator (P.69)

Low outside temperature 
indicator

*7

 (P.84)

Security indicator (P.75, 
77)

“AIR BAG ON/OFF” 
indicator

*1, 8

 (P.40)

83

2-1. Instrument cluster

2

Vehicle

 statu

s information an

d in
dicator

s

*1

:These lights come on when the 

power switch is turned to ON to 
indicate that a system check is 
being performed. They will turn 
off after the hybrid system is 
started, or after a few seconds. 
There may be a malfunction in a 
system if the lights do not come 
on, or turn off. Have the vehicle 
inspected by your Toyota dealer.

*2

:This light comes on when the 

system is turned off.

*3

:Depending on the operating con-

dition, the color and illuminat-
ing/flashing state of the light 
change.

*4

:In order to confirm operation, the 

BSM outside rear view mirror 
indicators illuminate in the follow-
ing situations:

• When the power switch is in 

ON, the BSM function is 
enabled on 

 of the 

multi-information display.

• When the BSM function is 

enabled on 

 of the 

multi-information display, the 
power switch is turned to ON.

If the system is functioning cor-
rectly, the BSM outside rear view 
mirror indicators will turn off after a 
few seconds.
If the BSM outside rear view mirror 
indicators do not illuminate or do 
not turn off, there may be a mal-
function in the system.

If this occurs, have the vehicle 
inspected by your Toyota dealer.

*5

:This light illuminates on the out-

side rear view mirrors.

*6

:This light illuminates on the 

multi-information display.

*7

:When the outside temperature is 

approximately 37°F (3°C) or 
lower, this indicator will flash for 
approximately 10 seconds, then 
stay on.

*8

:This light illuminates on the cen-

ter panel.

Eco drive mode indicator 
(P.219)

Power mode indicator 
(P.219)

84

2-1. Instrument cluster

■

Locations of gauges and meters



Analog speedometer

The units of measure may differ depending on the intended destination of 
the vehicle.

Tachometer

Displays the engine speed in revolutions per minute

Speedometer
Clock (P.87)
Fuel gauge

Displays the quantity of fuel remaining in the tank

Engine coolant temperature gauge

Displays the engine coolant temperature

Display change button (P.86)
Odometer and trip meter display (P.86)
Multi-information display

Presents the driver with a variety of vehicle data (P.89)
Displays warning messages if a malfunction occurs (P.459)

Outside temperature

Displays the outside temperature within the range of -40°F (-40°C) to 122°F 
(50°C)

Gauges and meters

Meter display

85

2-1. Instrument cluster

2

Vehicle

 statu

s information an

d in
dicator

s

Shift position indicator (P.149)



Digital speedometer

The units of measure may differ depending on the intended destination of 
the vehicle.

Tachometer

Displays the engine speed in revolutions per minute

Speedometer
Clock (P.87)
Fuel gauge

Displays the quantity of fuel remaining in the tank

Engine coolant temperature gauge

Displays the engine coolant temperature

Display change button (P.86)
Odometer and trip meter display (P.86)
Multi-information display

Presents the driver with a variety of vehicle data (P.89)
Displays warning messages if a malfunction occurs (P.459)

Outside temperature

Displays the outside temperature within the range of -40°F (-40°C) to 122°F 
(50°C)

Shift position indicator (P.149)

■

Engine speed

On hybrid vehicles, engine speed is 

precisely controlled in order to help 

improve fuel efficiency and reduce 

exhaust emissions etc.

There are times when the engine