Page 258 of 784
258
PRIUS PRIME_OM_OM47A88U_(U)
3. Instrument cluster
Displays information about each selected item.
When you select the “×”, and close the screen.
■Select “Battery”
●Display of battery charging state
Displayed when charging from an external power supply.
Display of charge status
The remaining time until
the charging completed
The remaining hybrid bat-
tery (traction battery)
capacity of the HV mode
The remaining hybrid bat-
tery (traction battery)
capacity of the EV mode
● Display the “Next Charging Event”
It appears when the timer
charging function is waiting
to charge the external power
source.
● Regenerated amount of energy
It appears during driving or
parked.
Shows the energy regen-
erated every minute.
Shows the energy being
regenerated while hybrid
system is operating.
Every time the power switch
is turned to off, the value is
reset.
How to see the detail screen
1
2
3
4
1
2
Page 259 of 784

PRIUS PRIME_OM_OM47A88U_(U)
2593. Instrument cluster
3
Instrument cluster
■Select “Engine”
Display of the engine status.
■Select “Climate”
Display the power consump-
tion of the air conditioner
■Resetting the data
●Selecting “Clear” on the “Trip Information” screen will reset the trip informa-
tion data.
● Selecting “Clear” on the “Past Record” screen will reset the past record
data.
■ Updating the past record data
Selecting “Update” on the “Past Record” screen will update the past record
data.
Also, the average fuel consumption displa yed in the multi-information display
will be reset at the same time.
■ Cruising range
Displays the estimated maximum distance that can be driven with the quan-
tity of fuel remaining.
This distance is computed based on your average fuel consumption. As a
result, the actual distance that can be driven may differ from that displayed.
■ Display of navigation screen during charging
After the power switch is turned to ON mode during charging, the power
switch will automatically turn off after approximately 100 seconds.
Page 264 of 784

264
PRIUS PRIME_OM_OM47A88U_(U)
4-1. 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 and a message
will be displayed on the multi-information display when the hybrid 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. 627)
• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
You can replace the battery by yourself ( →P. 627). However, as there is a
danger that the electronic key may be damaged, it is recommended 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
Page 265 of 784

PRIUS PRIME_OM_OM47A88U_(U)
2654-1. Key information
4
Operation of each component
■If a message regarding the state of the electronic key or power switch
mode, etc. is shown
To prevent trapping the electronic key inside the vehicle, leaving the vehicle
without turning off the power switch or other passengers from unintentionally
taking the key out of the vehicle, etc., a message that prompts the user to
confirm the state of the electronic key or power switch mode may be shown
on the multi-information display. In those cases, follow the instructions on the
display immediately.
■ If “Key Battery Low Replace Key Battery” is displayed on the multi-infor-
mation display
The electronic key has a low battery. Replace the electronic key battery.
(→P. 627)
■ Replacing the battery
→P. 627
■ Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer.
■ If “A New Key has been Registered Contact Your Dealer for Details” is
displayed on the mult i-information display
This message will be displayed each time the driver’s door is opened when
the doors are unlocked from the outside for approximately 10 days after a
new electronic key has been registered.
If this message is displayed but you have not had a new electronic key regis-
tered, ask your Toyota dealer to check if an unknown electronic key (other
than those in your possession) has been registered.
■ If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.
Page 271 of 784

PRIUS PRIME_OM_OM47A88U_(U)
2714-2. Opening, closing and locking the doors
4
Operation of each component
■Switching the door unlock function
It is possible to set which doors the entry function unlocks.
Turn the power switch off.
When the indicator on the key surface is turned off, push and hold , “A/C”
or for approximately 5 seconds while pushing the button on the
key.
The setting changes each time an operation is performed, as shown below.
(When changing the setting continuously, release the buttons, wait for at least
5 seconds, and repeat step .)
■ Using the mechanical key
The doors can also be locked and unlocked with the mechanical key.
(→P. 690)
■ Open door warning buzzer
If the vehicle speed reaches 3 mph (5 km/h), the master warning light flashes
and a buzzer sounds to indicate that the door(s) is not fully closed.
The open door(s) is displayed on the multi-information display.
■ Conditions affecting the operation of the smart key system or wireless
remote control
→P. 281
■ Customization
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features: →P. 732)
Multi-information
displayUnlocking doorsBeep
Hold the driver’s door handle
to unlock only the driver’s
door.
Exterior: Beeps three
times
Interior: Pings once
Hold the passenger’s door
handle or back door opener
to unlock all the doors.
Hold the front door handle or
back door opener to unlock
all the doors.Exterior: Beeps twice
Interior: Pings once
1
2
2
Page 279 of 784

PRIUS PRIME_OM_OM47A88U_(U)
2794-2. Opening, closing and locking the doors
4
Operation of each component
■Effective range (areas within whic h the electronic key is detected)
When unlocking the charging port lid, when locking and unlocking the
charging connector
*
The system can be operated when the electronic key is within about 2.3
ft. (0.7 m) of the charging port lid.
When starting the hybrid system or changing power switch modes
The system can be operated when the electronic key is inside the vehi-
cle.
*: If equipped
■ Alarms and warning messages
An alarm sounds and warning message displays shown on the multi-informa-
tion display are used to protect against unexpected accidents or theft of the
vehicle resulting from erroneous operation. When a warning message is dis-
played, take appropriate measures based on the displayed message.
When only an alarm sounds, circumstances and correction procedures are as
follows. When locking or unlocking the doors
The system can be operated when
the electronic key is within about
2.3 ft. (0.7 m) of driver’s door handle,
front passenger’s door handle
* and
back door opener switch
*. (Only the
doors detecting the key can be oper-
ated.)
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
secondsAn attempt was made to
lock the vehicle while a door
was open.Close all of the doors
and lock the doors
again.
Interior alarm
pings repeatedly
The power switch was
turned to ACCESSORY
mode while the driver’s door
was open (The driver’s door
was opened when the
power switch was in
ACCESSORY mode).
Turn the power switch
off and close the
driver’s door.
Page 280 of 784

280
PRIUS PRIME_OM_OM47A88U_(U)
4-2. Opening, closing and locking the doors
■When “Smart Key System malfunct ion See owner’s manual” is dis-
played on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
■ Battery-saving function
The battery-saving function will be activated in order to prevent the electronic
key battery and the 12-volt battery from being discharged while the vehicle is
not in operation for a long time.
●In the following situations, the smart key system may take some time to
unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of
the outside of the vehicle for 10 minutes or longer.
• The smart key system has not been used for 5 days or longer.
● If the smart key system has not been used for 14 days or longer, the doors
cannot be unlocked at any doors except the driver’s door. In this case, take
hold of the driver’s door handle, or use the wireless remote control or the
mechanical key, to unlock the doors.
■ Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping
the electronic key from receiving radio waves.
Press twice while pressing and
holding . Confirm that the electronic
key indicator flashes 4 times.
While the battery-saving mode is set, the
smart key system cannot be used. To
cancel the function, press any of the elec-
tronic key buttons.
Page 302 of 784

302
PRIUS PRIME_OM_OM47A88U_(U)
4-5. Opening and closing the windows
■Door lock linked window operation
●The power windows can be opened and closed using the mechanical key.
*
(→P. 690)
● The power windows can be opened using the wireless remote control.
*
(→P. 268)
*: These settings must be customized at your Toyota dealer.
■ Power window open reminder function
The buzzer sounds and a message is shown on the multi-information display
in the instrument cluster when the power switch is turned off and the driver’s
door is opened with the power windows open.
■ Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: →P. 732)
WARNING
Observe the following precautions.
Failing to do so may result in death or serious injury.
■Closing the windows
● The driver is responsible for all the power window operations, including the
operation for the passengers. In order to prevent accidental operation,
especially by a child, do not let a child operate the power windows. It is
possible for children and other passengers to have body parts caught in
the power window. Also, when riding with a child, it is recommended to use
the window lock switch. ( →P. 300)
● When using the wireless remote control or mechanical key and operating
the power windows, operate the power window after checking to make
sure that there is no possibility of any passenger having any of their body
parts caught in the side window. Also do not let a child operate side win-
dow by the wireless remote control or mechanical key. It is possible for
children and other passengers to get caught in the power window.
● When exiting the vehicle, turn the power switch off, carry the key and exit
the vehicle along with the child. There may be accidental operation, due to
mischief, etc., that may possibly lead to an accident.
●Check to make sure that all passengers
do not have any part of their body in a
position where it could be caught when
a side window is being operated.