2018 TOYOTA PRIUS PLUG-IN HYBRID Owners Manual

7058-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
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When trouble arises
NOTICE
■To avoid damage to the tire pressure warning valves and transmitters
When a tire is repaired with liquid sealants, the tire pressure warning valve
and transmitter may not operate properly. If a liquid sealant is used, contact
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer or other qualified service shop as soon as possible. After use of liq-
uid sealant, make sure to replace the tire pressure warning valve and trans-
mitter when repairing or replacing the tire. ( P. 607)

7068-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
If the hybrid system will not start
One of the following may be the cause of the problem:
● The charging cable may be attached to the vehicle. (P. 160)
● The electronic key may not be functioning properly.* (P. 708)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 111 )
● There may be a malfunction in the immobilizer system.* (P. 7 5 )
● There may be a malfunction in the shift control system.*
( P. 354, 686)
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 707)
● There is a possibility that the temperature of the hybrid battery
(traction battery) is extremely low (approximately below -30 C
[-22 F]). (P. 111 , 3 5 3 )
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 712)
● The 12-volt battery terminal connections may be loose or corroded.
( P. 599)
Reasons for the hybrid system not starting vary depending on
the situation. Check the following and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 351)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

7078-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
8
When trouble arises
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 712)
● One or both of the 12-volt battery terminals may be disconnected.
( P. 599)
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer if the problem cannot be repaired, or if repair procedures
are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to start the hybrid system if the power
switch is functioning normally.
Do not use this starting procedure except in cases of emergency.
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
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7088-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
If the electronic key does not operate
properly
Use the mechanical key ( P. 273) in order to perform the following
operations:
Locks all the doors
Closes the windows (turn and
hold)*
Unlocks all the doors
Opens the windows (turn and
hold)*
*: This setting must be customized at
any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer. ( P. 738)
If communication between the electronic key and vehicle is inter-
rupted ( P. 290) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireless
remote control cannot be used. In such cases, the doors can be
opened and the hybrid system can be started by following the pro-
cedure below.
Locking and unlocking the doors
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7098-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
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When trouble arises
Depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON mode.
When the smart entry & start sys-
tem is deactivated in customization
setting, the power switch will turn
to ACCESSORY mode.
Firmly depress the brake pedal
and check that is shown
on the multi-information display.
Press the power switch.
In the event that the hybrid system still cannot be operated, contact
any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
Starting the hybrid system
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7108-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
■Locking the charging port lid
Close the charging port lid. ( P. 122)
Lock the doors using the mechanical key. ( P. 708)
The charging port lid can be locked if the step and is performed in
reverse.
■Unlocking the charging port lid
Unlock the doors using the mechanical key. ( P. 708)
Open the charging port lid. ( P. 122)
Unlock the doors using the mechanical key. ( P. 708)
Push the charging connector lock switch. ( P. 164)
The charging connector will be unlocked.
Locking and unlocking the charging port lid
Unlocking the charging connector
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7118-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
8
When trouble arises
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch
as you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced imm ediately when the battery is depleted.
( P. 646)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. ( P. 8 8 )
■ Changing power switch modes
Release the brake pedal and press the power switch in step above. The
hybrid system does not start and modes will be changed each time the switch
is pressed. ( P. 353)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: P. 738)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 289)
WARNING
■When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the win-
dow.
Also, do not allow children to operate the mechanical key. It is possible for
children and other passengers to get caught in the power window.
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7128-2. Steps to take in an emergency
PRIUS PHV_OM_OM47C99E_(EE)
If the 12-volt battery is discharged
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following the
steps below.
Vehicles with an alarm
( P. 8 8 ) :
Confirm that the electronic key
is being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked. ( P. 90)
Open the hood. (P. 589)
Remove the engine cover.
Pull up the both ends of the cover
vertically.
The following procedures may be used to start the hybrid sys-
tem if the vehicle’s 12-volt battery is discharged.
You can also call any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer.
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