Toyota Prius Prime (2022 year). Manual in english — page 41

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How to distinguish laminated glass

When looking from the cross-sectional
view point, laminated glass is two sheets
of glass pasted together.

Laminated glass
Tempered glass

WARNING

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Caution while driving

Do not drive on roads where the roads may be submerged or the water may
be rising. Otherwise the vehicle may be damaged and cannot move, as well
as become flooded and set a drift, which may lead to death.

664

If your vehicle needs to be towed

In the following situations, it is not possible to be towed by another
vehicle using cables or chains, as the front wheels may be locked due
to the parking lock. Contact your Toyota dealer or commercial towing
service.

●

There is a malfunction in the shift control system. (



P. 336, 688)

●

There is a malfunction in the immobilizer system. (



P. 83)

●

There is a malfunction in the smart key system. (



P. 708)

●

The 12-volt battery is discharged. (

P. 712)

The following may indicate a problem with your hybrid transmission.
Contact your Toyota dealer or commercial towing service before tow-
ing.

●

The hybrid system warning message is displayed and the vehicle
does not move.

●

The vehicle makes an abnormal sound.

If towing is necessary, we recommend having your vehicle
towed by your Toyota dealer or commercial towing service,
using a wheel-lift type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.

Situations when it is not possible to be towed by another vehicle

Situations when it is necessary to contact dealers before towing

665

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When using a flatbed truck to transport the vehicle, use tire strapping
belts. Refer to the owner’s manual of the flatbed truck for the tire
strapping method.
In order to suppress vehicle movement during transportation, set the
parking brake and turn the power switch off.

If a tow truck is not available in an emergency, your vehicle may be
temporarily towed using cables or chains secured to the emergency
towing eyelets. This should only be attempted on hard surfaced roads
for short distances at under 18 mph (30 km/h).
A driver must be in the vehicle to steer and operate the brakes. The
vehicle’s wheels, drive train, axles, steering and brakes must be in
good condition.

Towing with a wheel-lift type truck



From the front



From the rear

Release the parking brake.

Use a towing dolly under the
front wheels.

Using a flatbed truck

Emergency towing

666

To have your vehicle towed by another vehicle, the towing eyelet must
be installed to your vehicle. Install the towing eyelet using the follow-
ing procedure.

Take out the wheel nut wrench and towing eyelet. (

P. 627)

Remove the eyelet cover using
a flathead screwdriver.

To protect the bodywork, place a
rag between the screwdriver and
the vehicle body as shown in the
illustration.

Insert the towing eyelet into the
hole and tighten partially by
hand.

Tighten down the towing eyelet
securely using a wheel nut
wrench or hard metal bar.

When tightening with a wheel nut
wrench or hard metal bar, make
sure not to damage the vehicle
body.

Securely attach cables or chains to the towing eyelet.

Take care not to damage the vehicle body.

Enter the vehicle being towed and start the hybrid system.

If the hybrid system does not start, turn the power switch to ON mode.
Turn off the Parking Support Brake function. (if equipped):

P. 453

Emergency towing procedure

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Shift the shift position to N

and release the parking brake.

: If the shift position cannot be changed or the current shift position can

not be confirmed, contact your Toyota dealer or commercial towing ser-
vice before towing.

■

While towing

If the hybrid system is off, the power assist for the brakes and steering will not
function, making steering and braking more difficult.

■

Wheel nut wrench

Wheel nut wrench is installed in luggage compartment. (

P. 627)

■

Towing eyelet installation hole on the rear of the vehicle

The hole is equipped for fastening the
vehicle while shipping. Your vehicle can-
not tow another vehicle.

668

WARNING

Observe the following precautions.
Failure to do so may result in death or serious injury.

■

When towing the vehicle

■

While towing

●

When towing using cables or chains, avoid sudden starts, etc. which place
excessive stress on the towing eyelets, cables or chains. The towing eye-
lets, cables or chains may become damaged, broken debris may hit peo-
ple, and cause serious damage.

●

Do not turn the power switch off.
This may lead to an accident as the front wheels will be locked by the
parking lock.

■

Installing towing eyelets to the vehicle

●

The towing eyelets are only for the vehicle equipped with them. Do not use
the towing eyelets for another vehicle, and do not use the towing eyelets
for this vehicle on another vehicle.

●

Make sure that towing eyelets are installed securely.
If not securely installed, towing eyelets may come loose during towing.

Be sure to transport the vehicle with the
front wheels raised or with all four wheels
raised off the ground. If the vehicle is
towed with the front wheels contacting
the ground, the drivetrain and related
parts may be damaged or electricity gen-
erated by the operation of the motor may
cause a fire to occur depending on the
nature of the damage or malfunction.

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NOTICE

■

To prevent damage to the vehicle when towing using a wheel-lift type
truck

When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.

■

To prevent damage to the vehicle when towing with a sling-type truck

Do not tow with a sling-type truck, either from the front or rear.

■

To prevent damage to the vehicle during emergency towing

Do not secure cables or chains to the suspension components.

■

Towing with a sling-type truck

Do not tow with a sling-type truck to pre-
vent body damage.

670

If you think something is wrong

●

Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)

●

Flat-looking tires or uneven tire wear

●

High coolant temperature warning light flashes or comes on

●

Changes in exhaust sound

●

Excessive tire squeal when cornering

●

Strange noises related to the suspension system

●

Pinging or other noises related to the hybrid system

●

Engine missing, stumbling or running roughly

●

Appreciable loss of power

●

Vehicle pulls heavily to one side when braking

●

Vehicle pulls heavily to one side when driving on a level road

●

Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor

If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.

Visible symptoms

Audible symptoms

Operational symptoms

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If a warning light turns on or a warning

buzzer sounds

Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.

Warning light and warning buzzer list

Warning light

Warning light/Details/Actions

(U.S.A.)

(Canada)

Brake system warning light and warning buzzer (red
indicator)

Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning



Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.

Brake system warning light (yellow indicator)

Indicates a malfunction in:
• The regenerative braking system; or
• The electronically controlled brake system



Have the vehicle inspected by your Toyota dealer
immediately.

Charging system warning light

Indicates a malfunction in the vehicle’s charging system



Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.

Low engine oil pressure warning light
(warning buzzer)

Indicates that the engine oil pressure is too low



Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.

(U.S.A.)

(Canada)

Malfunction indicator lamp

Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system; or
• The electronic throttle control system



Have the vehicle inspected by your Toyota dealer
immediately.

672

SRS warning light

Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system



Have the vehicle inspected by your Toyota dealer
immediately.

(U.S.A.)

(Canada)

ABS warning light

Indicates a malfunction in:
• The ABS; or
• The brake assist system



Have the vehicle inspected by your Toyota dealer
immediately.

(Red/yellow)

Electric power steering system warning light (warning
buzzer)

Indicates a malfunction in the EPS (Electric Power Steer-
ing) system



Have the vehicle inspected by your Toyota dealer
immediately.

(Flashes or

illuminates)

PCS warning light

• When a buzzer sounds simultaneously:

Indicates a malfunction has occurred in the PCS (Pre-
Collision System).



Have the vehicle inspected by your Toyota dealer
immediately.

• When a buzzer does not sound:

The PCS (Pre-Collision System) has become temporar-
ily unavailable, corrective action may be necessary.



Follow the instructions displayed on the multi-infor-
mation display. (



P. 376, 681)

If the PCS (Pre-Collision System) or VSC (Vehicle Stability
Control) system is disabled, the PCS warning light will illu-
minate.



P. 389

(Orange)

LTA indicator (warning buzzer)

Indicates a malfunction in the LTA (Lane Tracing Assist)



Follow the instructions displayed on the multi-infor-
mation display. (



P. 404)

Warning light

Warning light/Details/Actions

673

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Slip indicator light

Indicates a malfunction in:
• The VSC system;
• The TRAC system; or
• The hill-start assist control system



Have the vehicle inspected by your Toyota dealer
immediately.

The light will flash when the ABS, VSC or TRAC system is
operating.

High coolant temperature warning light

• When the light flashes:

Indicates that the engine coolant temperature is too high
The light changes from a flashing to a solid light when
the temperature further increases



Immediately stop the vehicle in a safe place. (

P. 718)

• When the light comes on without flashing:

Indicates a malfunction in the exhaust heat recirculator
system



Have the vehicle inspected by your Toyota dealer
immediately.

(Flashes)

(If equipped)

PKSB OFF indicator

Indicates a malfunction in the Parking Support Brake func-
tion



Have the vehicle inspected by your Toyota dealer.

The warning light will operate as follows, even when the
system is not malfunctioning:
• The light will come on when the Parking Support Brake

function is turned off (



P. 453)

• The light will come on when the Parking Support Brake

function is operating (

P. 457)

• The light will flash when the system cannot be temporar-

ily used (



P. 459)

Open door warning light (warning buzzer)

Indicates that a door is not fully closed



Check that all the doors are closed.

Low fuel level warning light

Indicates that remaining fuel is approximately 1.7 gal.
(6.4 L, 1.4 Imp.gal.) or less



Refuel the vehicle.

Warning light

Warning light/Details/Actions

674

Driver’s and front passenger’s seat belt reminder light
(warning buzzer)

Warns the driver and/or front passenger to fasten their
seat belts



Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.

(U.S.A.)

(Canada)

Rear passengers’ seat belt reminder light (warning
buzzer)

Warns the rear passengers to fasten their seat belts



Fasten the seat belt.

Master warning light

A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.



P. 681

Tire pressure warning light

When the light comes on:

Low tire inflation pressure such as

• Natural causes (



P. 677)

• Flat tire (



P. 689)



Adjust the tire inflation pressure to the specified

level.

The light will turn off after a few minutes. In case

the light does not turn off even if the tire inflation

pressure is adjusted, have the system checked by

your Toyota dealer.

When the light comes on after blinking for 1 minute:

Malfunction in the tire pressure warning system

(



P. 678)



Have the system checked by your Toyota dealer.

Warning light

Warning light/Details/Actions

675

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Inappropriate pedal operation warning light

(warning

buzzer)

When a buzzer sounds:
Indicates a malfunction in:
• The Brake Override System
• The Drive-Start Control



Have the vehicle inspected by your Toyota dealer
immediately.

Indicates that the shift position was changed and Drive-
Start Control was operated while depressing the accelera-
tor pedal.



Momentarily release the accelerator pedal.

Indicates that the Parking Support Brake function (if
equipped) is operating (



P. 457)



Follow the instruction that is displayed on the multi-
information display.

When a buzzer does not sound:
Indicates that the accelerator and brake pedals are being
depressed simultaneously, and the Brake Override Sys-
tem is operating.



Release the accelerator pedal and depress the brake
pedal.

(Canada only)

Low engine oil pressure warning (symbol display)

Indicates that the engine oil pressure is too low



Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.

Warning light

Warning light/Details/Actions

676

: Brake system warning buzzer:

When there is a possible problem that could affect braking performance,
the warning light will come on and a warning buzzer will sound.

: Low engine oil pressure warning buzzer:

A buzzer also sounds continuously for approximately 30 seconds at maxi-
mum in addition to the low engine oil pressure warning light when the
“READY” indicator is illuminated.

: Open door warning buzzer:

The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).

: Driver’s seat belt warning buzzer:

The driver’s seat belt warning buzzer sounds to alert the driver that his or
her seat belt is not fastened. Once the power switch is turned to ON mode,
the buzzer sounds. If the seat belt is still unfastened, the buzzer sounds
intermittently for a certain period of time after the vehicle reaches a certain
speed.
Front passenger’s seat belt warning buzzer:
The front passenger’s seat belt warning buzzer sounds to alert the front
passenger that his or her seat belt is not fastened. If the seat belt is unfas-
tened, the buzzer sounds intermittently for a certain period of time after the
vehicle reaches a certain speed.

: Rear passengers’ seat belt warning buzzer:

The rear passengers’ seat belt warning buzzer sounds to alert the rear
passenger that his or her seat belt is not fastened. If the seat belt is unfas-
tened, the buzzer sounds intermittently for a certain period of time, after
the seat belt is fastened and unfastened and the vehicle reaches a certain
speed.

: This symbol is displayed on the multi-information display.

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■

SRS warning light

This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side
impact sensors (rear), driver’s seat belt buckle switch, front passenger occu-
pant classification system (ECU and sensors), “AIR BAG ON” indicator light,
“AIR BAG OFF” indicator light, front passenger’s seat belt buckle switch, seat
belt pretensioners, airbags, interconnecting wiring and power sources.
(

P. 36)

■

Front passenger detection sensor, seat belt reminder and warning
buzzer

●

If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.

●

If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.

■

Electric power steering system warning light (warning buzzer)

When the 12-volt battery charge becomes insufficient or the voltage tempo-
rarily drops, the electric power steering system warning light may come on
and the warning buzzer may sound.

■

If the malfunction indicator lamp comes on while driving

First check the following:

●

Is the fuel tank empty?
If it is, fill the fuel tank immediately.

●

Is the fuel tank cap loose?
If it is, tighten it securely.

The malfunction indicator lamp will go off after several driving trips.
If the malfunction indicator lamp does not go off even after several trips, con-
tact your Toyota dealer as soon as possible.

■

When the tire pressure warning light comes on

Inspect the appearance of the tire to check that the tire is not punctured.
If the tire is punctured:



P. 689

If the tire is not punctured:
Check the tire inflation pressure and adjust to the appropriate level. Initial-

izing the tire pressure warning system will not turn off the tire pressure

warning light.

■

The tire pressure warning light may come on due to natural causes

The tire pressure warning light may come on due to natural causes such

as natural air leaks and tire inflation pressure changes caused by tem-

perature. In this case, adjusting the tire inflation pressure will turn off the

warning light (after a few minutes).

■

Conditions that the tire pressure warning system may not function

properly

P. 617

678