key battery TOYOTA PRIUS PLUS 2013 User Guide

210 2-1. Driving procedures
PRIUS +_OM_OM47841E_(EE)
When the “POWER” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional immediately.
If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER”
switch with the shift position in P and the brake pedal depressed, contact
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.
If the hybrid system is malfunctioning
P. 464
If the electronic key battery is depleted
P. 424
Operation of the “POWER” switch
When operating the “POWER” switch, one short, firm press is enough. If
the switch is pressed improperly, the hybrid system may not start or the
“POWER” switch mode may not change. It is not necessary to press and
hold the switch.
If attempting to restart the hybrid system immediately after turning the
“POWER” switch off, the hybrid system may not start in some cases.
After turning the “POWER” switch off, please wait a few seconds before
restarting the hybrid system.
Automatically P position selection function
P. 221

344 3-3. Using the interior lights
PRIUS +_OM_OM47841E_(EE)
Illuminated entry system
The lights automatically turn on/off according to “POWER” switch mode, the
presence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed.
To prevent 12-volt battery discharge
If the interior lights remain on when the door is not fully closed and the inte-
rior light switch (door position on/off) is on, the lights will go off automatically
after 20 minutes.
Customization
Settings (e.g. the time elapsed before the lights turn off) can be changed.
(Customizable features P. 548)
Personal lights

4Maintenance and care
375
PRIUS +_OM_OM47841E_(EE)
4-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ......... 376
Cleaning and protecting
the vehicle interior .......... 381
4-2. Maintenance
Maintenance
requirements................... 384
4-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ..................... 387
Hood ................................. 391
Positioning a floor jack ...... 394
Engine compartment......... 397
12-volt battery ................... 407
Tires .................................. 413
Tire inflation pressure ....... 416
Wheels .............................. 419
Air conditioning filter ......... 421
Electronic key battery ....... 424
Checking and replacing
fuses ............................... 427
Light bulbs ........................ 439

409 4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS +_OM_OM47841E_(EE)
Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flam-
mable and explosive. Therefore, observe the following precautions before
recharging:
If recharging with the 12-volt battery installed on the vehicle, be sure to
disconnect the ground cable.
Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the 12-volt battery.
After recharging/reconnecting the 12-volt battery
Unlocking the doors using the smart entry & start system may not be
possible immediately after reconnecting the 12-volt battery. If this hap-
pens, use the wireless remote control or the mechanical key to lock/
unlock the doors.
Start the hybrid system with the “POWER” switch in ACCESSORY mode.
The hybrid system may not start with the “POWER” switch turned off.
However, the hybrid system will operate normally from the second
attempt.
The “POWER” switch mode is recorded by the vehicle. If the 12-volt bat-
tery is reconnected, the vehicle will return the “POWER” switch mode to
the status it was in before the 12-volt battery was disconnected. Make
sure to turn off the power before disconnect the 12-volt battery. Take
extra care when connecting the 12-volt battery if the “POWER” switch
mode prior to discharge is unknown.
Restart the hybrid system, depress the brake pedal, and confirm that it is
possible to shift into each shift position.
If the system will not start even after multiple attempts at all methods above,
contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.

424
4-3. Do-it-yourself maintenance
PRIUS +_OM_OM47841E_(EE)
Electronic key batter y
Replace the battery with a new one if it is depleted.
You will need the following items:
Flathead screwdriver
Lithium battery CR1632
Replacing the battery
Take out the mechanical key.
Remove the cover.
To prevent damage, cover the
tip of the screwdriver with a
rag.
STEP 1
STEP 2

425 4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS +_OM_OM47841E_(EE)
Use a CR1632 lithium battery
Batteries can be purchased at any authorized Toyota dealer or repairer,
or another duly qualified and equipped professional, local electrical appli-
ance shops or camera stores.
Replace only with the same or equivalent type recommended by the
manufacturer.
Dispose of used batteries according to local laws.
If the electronic key battery is depleted
The following symptoms may occur:
The smart entry & start system and wireless remote control will not func-
tion properly.
The operational range will be reduced.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
When installing, reverse the steps listed.
ITO43P194
STEP 3
STEP 4

5When trouble arises
453
PRIUS +_OM_OM47841E_(EE)
5-1. Essential information
Emergency flashers .......... 454
If your vehicle needs to
be towed ......................... 455
If you think something is
wrong .............................. 462
5-2. Steps to take in an
emergency
If a warning light turns on
or a warning buzzer
sounds ............................ 463
If you have a flat tire
(vehicles with spare
tire) ................................. 476
If you have a flat tire
(vehicles without a
spare tire) ....................... 488
If the hybrid system
will not start..................... 510
If you lose your keys ......... 512
If the electronic key does
not operate properly ....... 513
If the 12-volt battery is
discharged ...................... 516
If your vehicle
overheats ........................ 522
If the vehicle becomes
stuck ............................... 528
If your vehicle has to
be stopped in an
emergency ...................... 530

510
5-2. Steps to take in an emergency
PRIUS +_OM_OM47841E_(EE)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
The hybrid system will not start even though the correct
starting procedure is being followed (P. 206)
One of the following may be the cause of the problem:
The electronic key may not be functioning properly.
*
(P. 513)
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (P. 4 5 )
There may be a malfunction in the immobilizer system.
*
(P. 138)
There may be a malfunction in the P position control system.
*
(P. 211, 467, 467)
*: It may not be possible to shift the shift position from P to other posi-
tion.
The interior lights and headlights are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem:
The 12-volt battery may be discharged. (P. 516)
The 12-volt battery terminal connections may be loose or cor-
roded.

5
513
5-2. Steps to take in an emergency
When trouble arises
PRIUS +_OM_OM47841E_(EE)
If the electronic key does not operate properly
Locking and unlocking the doors
Use the mechanical key (P. 6 1 )
in order to perform the following
operations:
Locks all the doors
Unlocks the door
If communication between the electronic key and vehicle is inter-
rupted (P. 73) 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 proce-
dure below.

5
515 5-2. Steps to take in an emergency
When trouble arises
PRIUS +_OM_OM47841E_(EE)
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 immediately when the battery is depleted.
(P. 424)
Changing “POWER” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and
press the “POWER” switch.
The hybrid system does not start and modes will be changed each time the
switch is pressed. (P. 208)