2019 TOYOTA PRIUS C key battery

1924-2. Driving procedures
PRIUS c_U
If the hybrid system is stopped with the shift lever in a position other
than P, the power sw itch will not be turned off but instead be turned to
ACCESSORY mode. Perform the following procedure to turn the
switch off:
Check that the park ing brake is set.
Shift the shift lever to P.
Check that is displ ayed on the multi-information display and
then press the power switch once.
Check that on the multi-information display is off.
■Auto power off function
When the shift lever is in P, if the vehicle is left in ACCESSO RY or ON mode
with the hybrid system not operating for more than 20 minutes ( ACCESSORY
mode) or one hour (ON mode), the power switch will automaticall y turn off.
However, this function cannot entirely prevent 12-volt battery discharge. Do
not leave the vehicle with the power switch in ACCESSORY or ON mode for
long periods of time when the hybrid system is not operating.
■ Sounds and vibrations sp ecific to a hybrid vehicle
P. 78
■ Electronic key battery depletion
P. 121
■ When the ambient temperature is low, such as during winter driv ing con-
ditions
When starting the hybrid system, the flashing time of the “READ Y” indicator
may be long. Leave the vehicle as it is until the “READY” indic ator is steady
on, as steady means the vehicle is able to move.
■ Conditions affecting operation
P. 141
When stopping the hybrid system with the shift lever in a posi-
tion other than P
1
2
3
4

1944-2. Driving procedures
PRIUS c_U■
If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even a fter perform-
ing the proper procedures for starting the vehicle, contact you r Toyota dealer
immediately.
■ If the hybrid system is malfunctioning
P. 486
■ If the electronic key battery is depleted
P. 449
■ Operation of the power switch
●If the switch is not pressed shortly and firmly, the power swit ch mode may
not change or the hybrid system may not start.
● If attempting to restart the hybrid system immediately after tu rning the power
switch off, the hybrid system may not start in some cases. Afte r turning the
power switch off, please wait a few seconds before restarting t he hybrid sys-
tem.
■ If the smart key system has been d eactivated in a customized setting
P. 517

2094-3. Operating the lights and wipers
4
Driving
PRIUS c_U
Vehicles with a smart key system
● When the headlights are on: The headlights and tail lights turn off 30 sec-
onds after the power switch is turned to ACCESSORY mode or turn ed off
and a door is opened and closed. (The lights turn off immediate ly if on
the key is pressed after all the doors are locked.)
● When only the tail lights are on: The tail lights turn off automatically if the
power switch is turned to ACCESSORY mode or turned off and the driver’s
door is opened.
To turn the lights on again, turn the power switch to ON mode, or turn the light
switch off once and then back to or .
If any of the doors or trunk lid is kept open, the lights automatically turn off
after 20 minutes.
■ Light reminder buzzer
Vehicles without a smart key system
A buzzer sounds when the power switch is turned to the “LOCK” o r “ACC”
position and the driver's door is opened while the lights are t urned on.
Vehicles with a smart key system
A buzzer sounds when the power switch is turned off or turned t o ACCES-
SORY mode and the driver's door is opened while the lights are turned on.
■ 12-volt battery-saving function
In the following conditions, the remaining lights will go off a utomatically after
20 minutes in order to prevent the vehicle battery from being d ischarged:
● The headlights and/or tail lights are on.
● The power switch is turned to the “ACC” or “LOCK” position (veh icles with-
out a smart key system) or the power switch is turned to ACCESSORY
mode or turned off (vehicles with a smart key system).
This function will be canceled in any of the following situatio ns:
● When the power switch is turned to the “ON” position (vehicles without a
smart key system) or the power switch is turned to ON mode (veh icles with
a smart key system).
● When the light switch is operated.
● When the door is opened or closed.
■ Customization that can be configured at Toyota dealer
Setting (e.g. daytime running light system) can be changed.
(Customizable features: P. 558)
NOTICE
■To prevent 12-volt b attery discharge
Do not leave the lights on longer than necessary when the hybri d system is
off.

3856-2. Using the interior lights
6
Interior features
PRIUS c_U
■Illuminated entry system
Vehicles without a smart key system
When the interior lights switch is in the door position, the interior lights auto-
matically turn on/off according to the power switch position, whether the
doors are locked/unlocked, and whether the doors are open/close d.
Vehicles with a smart key system
When the interior lights switch is in the door position, the interior lights auto-
matically turn on/off according to power switch mode, the presence of the
electronic key, whether the doors are locked/unlocked, and whet her the doors
are open/closed.
■ To prevent 12-volt battery discharge
Vehicles without a smart key system
If the interior lights, personal lights or luggage compartment light remain on
when the power switch is “LOCK” position, the lights will go of f automatically
after 20 minutes.
Vehicles with a smart key system
If the interior lights, personal lights or luggage compartment light remain on
when the power switch is off, the lights will go off automatica lly after 20 min-
utes.
■ Customization that can be configured at Toyota dealer
Settings (e.g. the time elapsed before lights turn off) can be chang ed.
(Customizable features : P. 558)
NOTICE
■ To prevent 12-volt b attery discharge
Do not leave the lights on longer than necessary when the hybri d system is
off.

3926-4. Other interior features
PRIUS c_U
Please use as a power supply for electronic goods that use less than
12 VDC/10 A (power c onsumption of 120 W).
Open the lid.
■ The power outlet can be used when
Vehicles without a smart key system
The power switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The power switch is in ACCESSORY or ON mode.
Power outlet
NOTICE
● To avoid damaging the power outlet, close the power outlet lid when the
power outlet is not in use. Foreign objects or liquids that ent er the power
outlet may cause a short circuit.
● To prevent 12-volt battery discharge, do not use the power outl et longer
than necessary when the hybrid system is off.

397
7Maintenance and care
PRIUS c_U7-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 398
Cleaning and protecting the vehicle interior ........... 401
7-2. Maintenance Maintenance requirements ................... 407
General maintenance........ 410
Emission inspection and maintenance (I/M)
programs......................... 413
7-3. D o-it-yourself
m aintenance
Do-it-yourself service precautions ..................... 414
Hood ................................. 417
Positioning a floor jack ...... 419
Engine compartment ......... 420
12-volt battery ................... 429
Tires .................................. 433
Tire inflation pressure ....... 442
Wheels .............................. 445
Air conditioning filter.......... 447
Wireless remote control/ electronic key battery ...... 449
Checking and replacing fuses ................ 452
Light bulbs......................... 456

398
PRIUS c_U
7-1. Maintenance and care
●Working from top to bottom, liberally apply water to the vehicl e
body, wheel wells and underside of the vehicle to remove any di rt
and dust.
● Wash the vehicle body using a sponge or soft cloth, such as a
chamois.
● For hard-to-remove marks, use car wash soap and rinse thoroughl y
with water.
● Wipe away any water.
● Wax the vehicle when the wate rproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the v ehicle
body is cool.
■ Automatic car washes
●Fold the mirrors before washing the vehicle. Start washing from the front of
the vehicle. Make sure to extend the mirrors before driving.
● Brushes used in automatic car washes may scratch the vehicle su rface and
harm your vehicle's paint.
● In certain automatic car washes, the rear spoiler may interfere with machine
operation. This may prevent t he vehicle from being cleaned prop erly or
result in damage to the rear spoiler.
■ High pressure car washes
●Do not allow the nozzles of the car wash to come within close p roximity of
the windows.
● Before using the car wash, check that the fuel filler door on y our vehicle is
closed properly.
■ When using a car wash (vehicles with a smart key system)
If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. In that case, f ollow the fol-
lowing correction procedures to wash the vehicle:
● Place the electronic key in a location 6 ft. (2 m) or more away from the vehi-
cle. (Take care to ensure that the key is not stolen.)
● Set the electronic key to battery-saving mode to disable the sm art key sys-
tem. ( P. 140)
Cleaning and protecting the vehicle exterior
Perform the following to protect the vehicle and maintain it in
prime condition:

4317-3. Do-it-yourself maintenance
7
Maintenance and care
PRIUS c_U■
After recharging/reconnecting the 12-volt battery (vehicles wit h a smart
key system)
● Unlocking the doors using the smart key system may not be possi ble imme-
diately after reconnecting the 12-volt battery. If this happens, use the wire-
less remote control or the mechanical key to lock/unlock the do ors.
● 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-vol t battery is
reconnected, the vehicle will return the power switch mode to t he status it
was in before the 12-volt battery was disconnected. Make sure t o turn off
the power before disconnect the 12-volt battery. Take extra car e when con-
necting the 12-volt battery if the power switch mode prior to d ischarge is
unknown.
If the system will not start even after multiple attempts, contact your Toyota
dealer.
WARNING
■ Chemicals in the 12-volt battery
The 12-volt battery contains poisonous and corrosive sulfuric a cid and may
produce hydrogen gas which is flammable and explosive. To reduce the risk
of death or serious injury, take the following precautions while working on or
near the 12-volt battery:
● Do not cause sparks by touching the 12-volt battery terminals w ith tools.
● Do not smoke or light a match near the 12-volt battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the 12-volt ba ttery.
● Keep children away from the 12-volt battery.
■ Where to safely charge the 12-volt battery
Always charge the 12-volt battery in an open area. Do not charg e the 12-
volt battery in a garage or closed room where there is insuffic ient ventila-
tion.