coolant temperature TOYOTA YARIS 2016 Owners Manual

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2-8. Driving Tips
2
Before Driving
Winter Driving
Carry emergency gear, including tire chains, window scraper, flares, a
small shovel, jumper cables, and a small bag of sand or salt.
Ask your Toyota dealer to check the following:
●Have the proper ratio of antifreeze in the radiator.
Refer to Engine Coolant on P. 431.
● Inspect the battery and its cables. Cold reduces battery capacity.
● Use an engine oil appropriate for the lowest ambient temperatures
that the vehicle will be driven in ( →P. 429).
● Inspect the ignition system for damage and loose connections.
● Use washer fluid made with antifreeze but do not use engine cool-
ant antifreeze for washer fluid ( →P. 435).
●Do not use the parking brake in freezing weather as it may freeze. Instead,
shift to 1 or R with a manual transaxle and to P with an automatic transaxle.
Block the rear wheels.
● Remove snow before driving. Snow left on the windshield is dangerous as it
could obstruct vision.
● Do not apply excessive force to a window scraper when removing ice or fro-
zen snow on the mirror glass and windshield.
● Never use warm or hot water for removing snow or ice from windows and
mirrors as it could result in the glass cracking.
● Drive slowly. Braking performance can be adversely affected if snow or ice
adheres to the brake components. If this situation occurs, drive the vehicle
slowly, releasing the accelerator pedal and lightly applying the brakes sev-
eral times until the brake performance returns to normal.
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YARIS_SEDAN_OM_OM99M18z_(U)
1573-2. Combination Meter and Display
3
When Driving
These lights turn on or flash to notify the user of the system operation
status or a system malfunction.
*1: The light turns on when the ignition is switched on for an operation check,and turns off a few seconds later or when the engine is started. If the light
does not turn on or remains turned on, have the vehicle inspected at your
Toyota dealer.
*2: The light turns on continuously when the parking brake is applied.
Warning Lights
*1Master Warning Light
(→ P. 507)*1Air Bag/Front Seat Belt
Pretensioner System
Warning Light ( →P. 507)
*1, 2Brake System Warning
Light ( →P. 507) Low Fuel Warning Light
(
→ P. 507)
*1ABS Warning
Light ( →P. 507)*1Check Fuel Cap
Warning Light ( →P. 507)
*1Charging System
Warning Light ( →P. 507) Seat Belt Warning Light
(Front seat) (
→P. 507)
*1Engine Oil Warning
Light ( →P. 507) Door-Ajar Warning Light
(
→ P. 507)
*1Check Engine Light
(→ P. 507)
(If equipped)
Low Washer Fluid Level
Warning Light ( →P. 507)
*1
(Red)
High Engine Coolant
Temperature Warning
Light ( →P. 507)*1
(If equipped)
Tire Pressure Monitoring
System Warning Light
(→ P. 507)
*1
(If equipped)
Automatic Transaxle
Warning Light ( →P. 507)*1
(Red)
KEY Warning Light
(→ P. 507)
*1Power Steering
Malfunction Indicator
Light ( →P. 507)
(Amber)
(If equipped)
Smart City Brake
Support (SCBS)
Warning Light ( →P. 507)
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3-2. Combination Meter and Display
These lights turn on or flash to notify the user of the system operation
status or a system malfunction.
*1: The light turns on when the ignition is switched on for an operation check,and turns off a few seconds later or when the engine is started. If the light
does not turn on or remains turned on, have the vehicle inspected at your
Toyota dealer.
Indicator Lights
(Green)
KEY Indicator Light
(→ P. 142) Headlight High-Beam
Indicator Light
(
→ P. 176, 176)
*1
(If equipped)
Wrench Indicator Light
(→ P. 159) Turn Signal/Hazard
Warning Indicator Lights
(
→ P. 180, 186)
*1TCS/DSC Indicator
Light ( →P. 195, 197)*1Security Indicator Light
(→ P. 122)
*1DSC OFF Indicator Light
(→ P. 197)
(Amber)
(If equipped)
Cruise Main Indicator
Light ( →P. 214)
*1
(Red)
(If equipped)
Smart City Brake
Support (SCBS)
Indicator Light ( →P. 209)
(Green)
(If equipped)
Cruise Set Indicator
Light ( →P. 214)
*1
(If equipped)
Smart City Brake
Support (SCBS) OFF
Indicator Light ( →P. 210)
(If equipped)
Select Mode Indicator
Light ( →P. 202)
(Blue)
Low Engine Coolant
Temperature Indicator
Light ( →P. 159) Lights-On Indicator Light
(
→ P. 175)
(If equipped)
Shift Position Indication
(→ P. 165)*1Front Passenger
Air Bag Deactiva-
tion Indicator
Light ( →P. 78)
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YARIS_SEDAN_OM_OM99M18z_(U)
1593-2. Combination Meter and Display
3
When Driving
When the ignition is switched ON,
the wrench indicator light is illumi-
nated and then turns off after a
few seconds.
The wrench indicator light is illu-
minated when the preset mainte-
nance period arrives. Verify the
content and perform mainte-
nance.
Refer to Maintenance Monitor on
P. 420.
The light illuminates continuously
when the engine coolant tempera-
ture is low and turns off after the
engine is warm.
If the low engine coolant tempera-
ture indicator light remains illumi-
nated after the engine has been
sufficiently warmed up, the tem-
perature sensor could have a mal-
function. Consult your Toyota
dealer.
Wrench Indicator Light
Low Engine Coolant Temperature Indicator Light (Blue)
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2414-1. Climate Control System
4
Interior Features
Set the mode selector dial to the position.
Set the temperature control dial to the cold position.
Set the fan control dial to the desired speed.
Turn on the air conditioner by pressing the A/C switch.
After cooling begins, adjust the fan control dial and temperature
control dial as needed to maintain maximum comfort.
■Cooling
●When maximum cooling is desired, set the temperature control dial to the
extreme cold position and set the air intake selector to the recirculated air
position, then set the fan control dial to position 4.
● If warmer air is desired at floor level, set the mode selector dial to the
position and adjust the temperature control dial to maintain maximum com-
fort.
● The air to the floor is warmer than air to the face (except when the tempera-
ture control dial is set at the extreme hot or cold position).
Cooling
NOTICE
If the air conditioner is used while driving up long hills or in heavy traffic,
monitor the engine coolant temperature warning light to see if it is illumi-
nated or flashing ( →P. 148).
The air conditioner may cause engine overheating. If the warning light is
illuminated or flashing, turn the air conditioning off ( →P. 502).
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2
3
4
5
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5-3. Owner Maintenance
5
Maintenance and Care
Engine Coolant
Inspect the antifreeze protection and coolant level in the coolant res-
ervoir at least once a year—at the beginning of the winter season—
and before traveling where temperatures may drop below freezing.
Inspect the condition and connections of all cooling system and
heater hoses.
Replace any that are swollen or deteriorated.
The coolant should be at full in the
radiator and between the F and L
marks on the coolant reservoir
when the engine is cool.Cooling fan
Cooling system cap
Coolant reservoir
If it is at or near L, add enough coolant to the coolant reservoir to pro-
vide freezing and corrosion protection and to bring the level to F.
Securely tighten the coolant reservoir tank cap after adding coolant.
If the coolant reservoir is empty or new coolant is required frequently,
consult your Toyota dealer.
Changing the coolant should be done by your Toyota dealer.
Inspecting Coolant Level
1
2
3
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4325-3. Owner Maintenance
YARIS_SEDAN_OM_OM99M18z_(U)
WARNING
■Do not use a match or live flame in the engine compartment. DO NOT
ADD COOLANT WHEN THE ENGINE IS HOT
A hot engine is dangerous. If the engine has been running, parts of the
engine compartment can become very hot. You could be burned. Carefully
inspect the engine coolant in the coolant reservoir, but do not open it.
■ Switch the ignition to off and make sure the fan is not running
before attempting to work near the cooling fan
Working near the cooling fan when it is running is dangerous. The fan could
continue running indefinitely even if the engine has stopped and the engine
compartment temperature is high. You could be hit by the fan and seriously
injured.
■ Do not remove either cooling system cap when the engine and
radiator are hot
When the engine and radiator are hot, scalding coolant and steam may
shoot out under pressure and cause serious injury.
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YARIS_SEDAN_OM_OM99M18z_(U)
4755-4. Appearance Care
5
Maintenance and Care
●When cleaning the plastic lenses of the lights, do not use gasoline,
kerosene, rectified spirit, paint, thinner, highly acidic detergents, or
strongly alkaline detergents. Otherwise, these chemical agents can
discolor or damage the surfaces resulting in a significant loss in
functionality. If plastic parts become inadvertently exposed to any of
these chemical agents, flush with water immediately.
● If plastic parts such as the bumpers become inadvertently exposed
to chemical agents or fluids such as gasoline, oil, engine coolant, or
battery fluid, it could cause discoloration, staining, or paint peeling.
Wipe off any such chemical agents or fluids using a soft cloth imme-
diately.
● High water temperature and high water pressure car washers are
available depending on the type of high pressure car washer
device. If the car washer nozzle is put too close to the vehicle or
aimed at one area for an extended period of time, it could deform
plastic parts or damage the paint.
● Do not use wax containing compounds (polish). Otherwise, it could
result in paint damage.
● In addition, do not use an electrical or air tool to apply wax. Other-
wise, the frictional heat generated could result in deformation of
plastic parts or paint damage.
NOTICE
Do not use any detergent other than mild detergent. Before using any deter-
gent, verify the ingredients.
Otherwise, the product could discolor or stain the aluminum wheels.
Plastic Part Maintenance
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6-5. Overheating
Overheating
If the high engine coolant temperature warning light illuminates:
Drive safely to the side of the road and park off the right-of-way.
Put a vehicle with an automatic transaxle in park (P), a manual
transaxle in neutral.
Apply the parking brake.
Turn off the air conditioner.
Check whether coolant or steam is escaping from the engine com-
partment.
XIf steam is coming from the engine compartment:
Do not go near the front of the vehicle. Stop the engine.
Wait until the steam dissipates, then open the hood and start the
engine.
XIf neither coolant nor steam is escaping:
Open the hood and idle the engine until it cools.
Make sure the cooling fan is operating, then turn off the engine after
the temperature has decreased.
When cool, check the coolant level.
If it is low, look for coolant leaks from the radiator and hoses.
■If you find a leak or other damage, or if coolant is still leaking:
Stop the engine and call your Toyota dealer.Cooling fan
Cooling system cap
Coolant reservoir
If the high engine coolant temperature warning light illuminates,
the vehicle loses power, or you hear a loud knocking or pinging
noise, the engine is probably too hot.
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2
3
4
5
6
7
1
2
3
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5036-5. Overheating
6
If Trouble Arises
■If you find no problems, the engine is cool, and no leaks are
obvious:
Carefully add coolant as required (→P. 431).
WARNING
■ Switch the ignition to off and make sure the fan is not running
before attempting to work near the cooling fan
Working near the cooling fan when it is running is dangerous. The fan could
continue running indefinitely even if the engine has stopped and the engine
compartment temperature is high. You could be hit by the fan and seriously
injured.
■ Do not remove either cooling system cap when the engine and
radiator are hot
When the engine and radiator are hot, scalding coolant and steam may
shoot out under pressure and cause serious injury.
■ Open the hood ONLY after steam is no longer escaping from the engine
Steam from an overheated engine is dangerous. The escaping steam could
seriously burn you.
NOTICE
●If the cooling fan does not operate while the engine is running, the engine
temperature will increase. Stop the engine and call your Toyota dealer.
● If the engine continues to overheat or frequently overheats, have the cool-
ing system inspected. The engine could be seriously damaged unless
repairs are made. Consult your Toyota dealer.
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