2022 TOYOTA PRIUS battery

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PRIUS_OM_OM47F01U_(U)
2. Instrument cluster
EV indicator*2, 3
The EV indicator comes on when the vehicle is driven using only the
electric motor (traction motor) or the gasoline engine is stopped.
Hybrid battery (traction battery) status
P. 128
Eco score
P. 131
● By keeping the indicator within Eco area, more Eco-friendly dri v-
ing can be achieved.
● Charge area indicates regeneration
*4 status. Regenerated
energy will be used to charge the hybrid battery (traction battery).
*1: Not displayed on the sub-screen.
*2: Not displayed on the sub-screen or head-up display.
*3: The EV indicator function can be turned off in the “Meter Cust omize”
settings. ( P. 153)
*4: When used in this manual, “regeneration” refers to the conversion of
energy created by the movement of the vehicle into electrical e nergy.
■
“ECO Accelerator Guidance”
A blue zone is displayed in the
Eco area which can be used as
a reference operation range for
using the accelerator pedal
according to driving conditions
such as starting off and cruis-
ing.
The “ECO Accelerator Guid-
ance” display changes accord-
ing to the driving status, such as
when starting off or cruising.
It is easier to drive in an Eco-friendly manner by driving according to the
display showing the accelerator pedal operations and staying wi thin the
“ECO Accelerator Guidance” range. ( P. 224)
The “ECO Accelerator Guidance” function can be turned off in the
“Meter Customize” settings. ( P. 153)
5
6
7
“ECO Accelerator Guidance”

PRIUS_OM_OM47F01U_(U)
1572. Instrument cluster
2
Instrument cluster
WARNING
■Cautions while setting up the display
As the hybrid system needs to be operating during setting up the display,
ensure that the vehicle is parked in a place with adequate vent ilation. In a
closed area such as a garage, exhaust gases including harmful c arbon
monoxide (CO) may collect and enter the vehicle. This may lead to death or
a serious health hazard.
NOTICE
■ While setting up the display
To prevent 12-volt battery discharge, ensure that the hybrid sy stem is oper-
ating while setting up the display features.

PRIUS_OM_OM47F01U_(U)
1632. Instrument cluster
2
Instrument cluster
■Enabling/disabling of the head-up display
When the head-up display is turned off with the “HUD” switch, it is not dis-
played until the “HUD” switch is used to turn the head-up displ ay on again.
(Operation of the head-up display is not linked with the power switch.)
■ Display brightness
●The brightness of the head-up display is automatically adjusted according to
the operation status of the headlights (on/off) and the brightn ess of the sur-
roundings.
● When the brightness of the head-up display is adjusted to a cer tain level or
higher, the display automatically dims when the vehicle is stopped. Once the
vehicle starts off and the vehicle speed reaches approximately 3.1 mph
(5 km/h) or more, the display automatically returns to its previous bright-
ness.
■ Vehicle speed display
In extremely cold environments, the display of the speedometer and the vehi-
cle speed of the head-up display may slightly differ.
■ Head-up display
The head-up display may seem dark and hard to see when viewed t hrough
sunglasses, especially polarized sunglasses.
■ When the 12-volt battery is disconnected
The customize settings of the head-up display will be reset.
■ Route guidance display (vehicles with navigation system)
The route guidance is not displayed on both the head-up display and multi-
information display simultaneously. When the route guidance is displayed on
the head-up display, the multi-information display does not dis play the route
guidance even if the navigation system-linked display ( P. 145) is selected
on the multi-information display.

166
PRIUS_OM_OM47F01U_(U)
2. Instrument cluster
■Reading the display
The arrows will appear in accordance with the energy flow. When
there is no energy flow, arrows will not be displayed.
The color of the arrows will change as follows.
Green: When the hybrid battery (tr action battery) is regenerated or
charged.
Yellow: When the hybrid battery (traction battery) is in use.
Red: When the gasolin e engine is in use.
Multimedia system screen
Gasoline engine
Front electric motor (traction
motor)
Rear electric motor (traction
motor) (AWD models)
Hybrid battery (traction bat-
tery)
Front tires
Rear tires
The image shows all the arrows as an example. The actual displa y
will vary dependin g on conditions.
Multimedia system sc reen (Home screen)
Gasoline engine
Hybrid battery (traction bat-
tery)
Tires
The image shows all the arrows as an example. The actual displa y
will vary dependin g on conditions.
1
2
3
4
5
6
1
2
3

PRIUS_OM_OM47F01U_(U)
1672. Instrument cluster
2
Instrument cluster
■Hybrid battery (traction battery) status
■ Remaining charge amount warning of hybrid battery (traction battery)
●The buzzer sounds intermittently when the hybrid battery (traction battery)
remains without charging while the shift position is in N, or t he remaining
charge amount drops below a certain level. If the remaining cha rge amount
drops further, the buzzer sounds continuously.
● When a warning message is shown on the multi-information display and the
buzzer sounds, follow the instructions displayed on the screen to perform
troubleshooting.
The display changes in 8 levels according
to the remaining charge amount of the
hybrid battery (traction battery).
Low
High
1
2

PRIUS_OM_OM47F01U_(U)
1712. Instrument cluster
2
Instrument cluster
■Reading the display
The arrows will appear in accordance with the energy flow. When
there is no energy flow, arrows will no t be displayed.
The color of the arrows will change as follows
Green: When the hybrid battery (tr action battery) is regenerated or
charged.
Yellow: When the hybrid battery (traction battery) is in use.
Red: When the gasolin e engine is in use.
Gasoline engine
Electric motor (traction
motor)
Air conditioning system oper-
ation
Hybrid battery (traction bat-
tery)
Tires
The image shows all the arrows as an example. The actual displa y
will vary dependin g on conditions.
● There are icons , , on the lower side of the
screen. The screen switches to each point of view when you
select it.
● When you select , this screen is displayed in the lower half of
the screen, it will be displayed together with the navigation
screen.
■Display the power consump tion of the air conditioner
Select on the upper right screen.
Select “ ” to close the screen.
1
2
3
4
5

172
PRIUS_OM_OM47F01U_(U)
2. Instrument cluster
■Hybrid battery (traction battery) status
■ Remaining charge amount warning of hybrid battery (traction battery)
●The buzzer sounds intermittently when the hybrid battery (traction battery)
remains without charging while the shift position is in N, or t he remaining
charge amount drops below a certain level. If the remaining cha rge amount
drops further, the buzzer sounds continuously.
● When a warning message is shown on the multi-information display and the
buzzer sounds, follow the instructions displayed on the screen to perform
troubleshooting.
The display changes in 8 levels according
to the remaining charge amount of the
hybrid battery (traction battery).
Low
High
1
2

178
PRIUS_OM_OM47F01U_(U)
3-1. Key information
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin an d a message
will be displayed on the multi-information display when the hyb rid system
stops.
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( P. 555)
• The smart key system or the wireless remote control does not o perate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
You can replace the battery by yourself ( P. 555). However, as there is a
danger that the electronic key may be damaged, it is recommende d that
replacement is carried out by your Toyota dealer.
● To avoid serious deterioration, do not leave the electronic key within 3 ft.
(1 m) of the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Table lamps
• Induction cookers