pressure TOYOTA YARIS 2018 User Guide

3124-7. Driving tips
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◆Air conditioning
Use the air conditioning only when necessary. Doing so can help
reduce excessive gasoline consumption.
In summer: When the ambient temperature is high, use the recircu-
lated air mode. Doing so will help to reduce the burden on the air
conditioning system and reduce fuel consumption as well.
In winter: Because the gasoline engine will not automatically cut out
until it and the interior of the vehicle are warm, it will consume fuel.
Also, fuel consumption can be improved by avoiding overuse of the
heater.
◆Checking tire inflation pressure
Make sure to check the tire inflation pressure frequently. Improper
tire inflation pressure can cause poor fuel economy.
Also, as snow tires can cause large amounts of friction, their use on
dry roads can lead to poor fuel economy. Use tires that are appro-
priate for the season.
◆Luggage
Carrying heavy luggage will lead to poor fuel economy. Avoid carry-
ing unnecessary luggage. Installing a large roof rack will also cause
poor fuel economy.
◆Warming up before driving
Since the gasoline engine starts up and cuts out automatically
when cold, warming up the engine is unnecessary. Moreover, fre-
quently driving short distances will cause the engine to repeatedly
warm up, which can lead to excess fuel consumption.

3164-7. Driving tips
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WARNING
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of vehicle control and cause death or
serious injury.
● Use tires of the specified size.
● Maintain the recommended level of air pressure.
● Do not drive at speeds in excess of the speed limit or the speed limit spec-
ified for the snow tires being used.
● Use snow tires on all, not just some wheels.
● Do not use tires of noticeably different wear level.
■ Driving with tire chains
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in the vehicle being unable to be driven safely,
and may cause death or serious injury.
● Do not drive in excess of the speed limit specified for the tire chains being
used, or 50 km/h (30 mph), whichever is lower.
● Avoid driving on bumpy road surfaces or over potholes.
● Avoid sudden acceleration, abrupt steering, sudden braking and shifting
operations that cause sudden engine braking.
● Slow down sufficiently before entering a curve to ensure that vehicle con-
trol is maintained.
● Do not use LDA (Lane Departure Alert) (if equipped).

3174-7. Driving tips
4
Driving
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NOTICE
■Repairing or replacing snow tires (vehicles with a tire pressure warn-
ing system)
Request repairs or replacement of snow tires from any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer or legitimate
tire retailers.
This is because the removal and attachment of snow tires affects the opera-
tion of the tire pressure warning valves and transmitters.
■ Fitting tire chains (vehicles with a tire pressure warning system)
The tire pressure warning valves and transmitters may not function correctly
when tire chains are fitted.

3465-5. Using an external device
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WARNING
■Caution while driving
Do not connect iPod or operate the controls.
Doing so may cause an accident, resulting in death or serious injury.
NOTICE
■ To prevent damage to iPod or its terminal
● Do not leave iPod in the vehicle. The temperature inside the vehicle may
become high.
● Do not push down on or apply unnecessary pressure to the iPod while it is
connected.
● Do not insert foreign objects into the port.

3525-5. Using an external device
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● Extensions
If the file extensions .mp3 and .wma are used for files other than MP3 and
WMA files, they will be skipped (not played).
● Playback
• To play MP3 files with steady s ound quality, we recommend a fixed bit
rate of at least 128 kbps and a sampling frequency of 44.1 kHz.
• There is a wide variety of freewar e and other encoding software for MP3
and WMA files on the market, and depending on the status of the encod-
ing and the file format, poor sound quality or noise at the start of playback
may result.
In some cases, playback may not be possible at all.
• Microsoft, Windows, and Windows Media are registered trademarks of
Microsoft Corporation in the U.S.A. and other countries.
WARNING
■ Caution while driving
Do not connect USB memory or operate the controls.
Doing so may cause an accident, resulting in death or serious injury.
NOTICE
■ To prevent damage to USB memory or its terminal
● Do not leave USB memory in the vehicle. The temperature inside the vehi-
cle may become high.
● Do not push down on or apply unnecessary pressure to the USB memory
while it is connected.
● Do not insert foreign objects into the port.

413
7Maintenance and care
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7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 414
Cleaning and protecting
the vehicle interior ........... 419
7-2. Maintenance
Maintenance
requirements.................... 427
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................... 430
Hood .................................. 433
Positioning a floor jack ....... 435
Engine compartment.......... 437
12-volt battery .................... 445
Tires ................................... 451
Tire inflation pressure ........ 468
Wheels ............................... 470
Air conditioning filter .......... 474
Wireless remote control/
electronic key battery....... 477
Checking and replacing
fuses ................................ 481
Light bulbs ......................... 486

4157-1. Maintenance and care
7
Maintenance and care
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■Automatic car washes
● Fold the mirrors and remove the antenna before washing the vehicle. Start
washing from the front of the vehicle. Make sure to re-install the antenna
and extend the mirrors before driving.
● Brushes used in automatic car washes may scratch the vehicle surface and
harm your vehicle’s paint.
● Rear spoiler (if equipped) may not be washable in some automatic car
washes. There may also be an increased risk of damage to vehicle.
■ High pressure car washes
● Do not allow the nozzles of the car wash to come within close proximity of
the windows and door borders, and high mounted stoplight.
● Before using the car wash, check that the fuel filler door on your vehicle is
closed properly.
■ When using a car wash (vehicles with a smart entry & start system
equipped with entry function)
If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. Place the key in a position
2 m (6 ft.) or more separate from the vehicle while the vehicle is being
washed. (Take care to ensure that the key is not stolen.)
■ Aluminum wheels (if equipped)
● Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather
■ Bumpers
Do not scrub with abrasive cleaners.

4187-1. Maintenance and care
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NOTICE
■When using an automatic car wash (vehicles with a rain-sensing wind-
shield wiper)
Set the wiper switch to the off position.
If the wiper switch is in “AUTO”, the wiper may operate and the wiper blade
may be damaged.
■ To prevent damage to the antenna
Remove the antenna in the following situations:
● When the antenna will touch the ceiling of a garage or other such places
● When a car cover is to be used to cover the vehicle
■ When using a high pressure car wash
● Vehicles with back camera: When washing the vehicle, do not let water of
the high pressure washer hit directly or the vicinity of the camera. Due to
the shock from the high pressure water, it is possible the device may not
operate as normal.
● Do not bring the nozzle tip close to boots (rubber or resin manufactured
cover), connectors or the following parts. The parts may be damaged if
they come into contact with high-pressure water.
• Traction related parts
• Steering parts
• Suspension parts
• Brake parts

4307-3. Do-it-yourself maintenance
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Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
12-volt battery
condition
( P. 445)
• Grease
• Conventional wrench (for terminal clamp bolts)
Engine/power
control unit
coolant level
( P. 441)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( P. 438)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P. 481)• Fuse with same amperage rating as original
Hybrid battery
(traction battery)
cooling air intake
vent
( P. 420)
• Vacuum cleaner
Light bulbs
( P. 486)
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver•Wrench
Radiator and
condenser
( P. 443)

Tire inflation
pressure
( P. 468)
• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 443)
• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)

4427-3. Do-it-yourself maintenance
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■Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non- nitrite, and non-borate coolant with
long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deion-
ized water. (Minimum temperature: -35°C [-31°F])
For more details about coolant, contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
■ If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine/power control unit coolant reservoir
caps, drain cock and water pump.
If you cannot find a leak, have any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer, test the cap and check for leaks in the
cooling system.
WARNING
■ When the hybrid system is hot
Do not remove the engine/power control unit coolant reservoir caps.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■ When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.