Page 348 of 552

3486-1. Using the air conditioning system and defogger
PRIUS c_U (OM52E68U)
Turns on the front left seat
heater
Turns on the front right seat
heater
The indicator light comes on.
Push the switch once again to turn
off the seat heater.
■The seat heaters can be used when
The “POWER” switch is in ON mode.
■ When not in use
Turn the seat heater off. The indicator light goes off.
Seat heaters
: If equipped
WARNING
●Care should be taken to prevent injury if anyone in the following categories
comes in contact with the seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)
● Observe the following precautions to prevent the minor burns or overheat-
ing
• Do not cover the seat with a blanket or cushion when using the seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the seat and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent 12-volt battery discharge, do not use the functions when the
hybrid system is off.
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Page 351 of 552

3516-2. Using the interior lights
6
Interior features
PRIUS c_U (OM52E68U)
■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 engine switch position, whether the
doors are locked/unlocked, and whether the doors are open/closed.
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 whether 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 engine switch is “LOCK” position, the lights will go off 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 automatically after 20
minutes.
■ Customization that can be configured at Toyota dealer
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features P. 514)
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.
Page 359 of 552
3596-4. Other interior features
6
Interior features
PRIUS c_U (OM52E68U)
Please use as a power supply for electronic goods that use less than
12 VDC/10 A (power consumption of 120 W).
Open the lid.
■The power outlet can be used when
Vehicles without a smart key system
The engine 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 enter the power
outlet may cause a short circuit.
● To prevent battery discharge, do not use the power outlet longer than nec-
essary when the hybrid system is off.
Page 370 of 552
3707-1. Maintenance and care
PRIUS c_U (OM52E68U)
WARNING
■Water in the vehicle
●Do not splash or spill liquid in the vehicle, such as on the floor, in the
hybrid battery (traction battery) air vents, and in the luggage compartment.
Doing so may cause the hybrid battery, electrical components, etc. to mal-
function or catch fire.
● Do not get any of the SRS components or wiring in the vehicle interior wet.
(P. 39)
An electrical malfunction may cause the airbags to deploy or not function
properly, resulting in death or serious injury.
■ Cleaning the interior (especially instrument panel)
Do not use polish wax or polish cleaner. The instrument panel may reflect
off the windshield, obstructing the driver's view and leading to an accident,
resulting in death or serious injury.
Page 376 of 552

3767-2. Maintenance
PRIUS c_U (OM52E68U)
Brakes
• The vehicle should not pull to one side whenthe brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are applied.
Head restraints
(Adjustable type)• Do the head restraints move smoothly and
lock securely?
Hybrid transmission
“Park” mechanism• When parked on a slope and the parkingbrake is on, is the vehicle securely stopped?
Indicators/buzzers• Do the indicators and buzzers function prop-
erly?
Lights• Do all the lights come on?
Parking brake
• Does the parking brake lever operate nor-mally?
• When parked on a slope and the parking brake is on, is the vehicle securely stopped?
Seat belts• Do the seat belts operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correctamount of free play?
• There should not be any strange sounds com- ing from the steering wheel.
ItemsCheck points
Page 377 of 552
3777-2. Maintenance
7
Maintenance and care
PRIUS c_U (OM52E68U)
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work prop-erly?
Fluid leaks• There should not be any signs of fluid leakageafter the vehicle has been parked.
Tires
• Is the tire inflation pressure correct?
• The tires should not be damaged or exces-sively worn.
• Have the tires been rotated according to the maintenance schedule?
• The wheel nuts should not be loose.
Windshield wipers/rear
window wiper (if
equipped)
• The wiper blades should not show any signs
of cracking, splitting, wear, contamination or
deformation.
• The wiper blades should clear the windshield/
rear window without streaking or skipping.
WARNING
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation
before performing maintenance checks.
Page 379 of 552

379
7
Maintenance and care
PRIUS c_U (OM52E68U)
7-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsCheck points
12-volt battery condition (P. 394) • Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level (P. 391)
• FMVSS No.116 DOT 3 or SAE J1703 brake
fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power control
unit coolant level (P. 389)
• “Toyota Super Long Life Coolant” or a similar
high quality ethylene glycol based non-sili-
cate, non-amine, non-nitrite and non-borate
coolant with long-life hybrid organic acid tech-
nology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed
with 50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed
with 55% coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level (P. 386)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 416)• Fuse with same amperage rating as original
Light bulbs (P. 420)
• Bulb with same number and wattage rating as
original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser
(P. 391)
Tire inflation pressure
( P. 406)• Tire pressure gauge
• Compressed air source
Page 386 of 552
3867-3. Do-it-yourself maintenance
PRIUS c_U (OM52E68U)
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■Checking the engine oilPark the vehicle on level ground. After warming up the engine
and turning off the hybrid system, wait more than 5 minutes for
the oil to drain back into the bottom of the engine.
Holding a rag under the end,
pull the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check the
oil level.
Low
Normal
Excessive
The shape of the dipstick
may differ depending on the
type of vehicle or engine.
Wipe the dipstick and reinsert it fully.
Engine oil
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