coolant level TOYOTA IQ 2012 Owners Manual

231
2-5. Driving information
2
When driving
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Winter driving tips
Carry out the necessary preparations and inspections before driving
the vehicle in winter. Always drive the vehicle in a manner appropri-
ate to the prevailing weather conditions.
Pre-winter preparations
Use fluids that are appropriate to the prevailing outside tem-
peratures.
• Engine oil
• Engine coolant
• Washer fluid
Have a service technician inspect the level and specific grav-
ity of battery electrolyte.
Have the vehicle fitted with four snow tires or purchase a set
of tire chains for the front tires.
Ensure that all tires are the same size and brand, and that chains
match the size of the tires.
Before driving the vehicle
Perform the following according to the driving conditions.
Do not try to forcibly open a window, scrape an outside rear
view mirror surface or move a wiper or outside rear view mir-
ror that is frozen. Pour warm water over the frozen area to
melt the ice. Wipe away the water immediately to prevent it
from freezing.
To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents
in front of the windshield.
Remove any ice that has accumulated on the vehicle chassis.
Periodically check for and remove any excess ice or snow
that may have accumulated in the wheel well or on the
brakes.

315 4-2. Maintenance
4
Maintenance and care
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Does your vehicle need repair?
Be on the alert for changes in performance and sounds, and visual tip-offs
that indicate service is needed. Some important clues are:
Engine missing, stumbling, or pinging
Appreciable loss of power
Strange engine noises
A fluid leak under the vehicle (However, water dripping from the air condi-
tioning system after use is normal.)
Change in exhaust sound (This may indicate a dangerous carbon mon-
oxide leak. Drive with the windows open and have the exhaust system
checked immediately.)
Flat-looking tires, excessive tire squeal when cornering, uneven tire wear
Vehicle pulls to one side when driving straight on a level road
Strange noises related to suspension movement
Loss of brake effectiveness, spongy feeling brake pedal, pedal almost
touches the floor, vehicle pulls to one side when braking
Engine coolant temperature continually higher than normal
If you notice any of these clues, take your vehicle to any authorized Toyota
dealer or repairer, or another duly qualified and equipped professional, as
soon as possible. Your vehicle may need adjustment or repair.
CAUTION
If your vehicle is not properly maintained
It could result in serious damage to the vehicle and possible serious injury or
death.
Warning in handling of the battery
Battery posts, terminals and related accessories contain lead and lead com-
pounds which are known to cause brain damage. Wash your hands after
handling. (P. 342)

316
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4-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance yourself, be sure to follow the correct
procedures as given in these sections.
ItemsParts and tools
Battery condition (P. 342)
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
Engine coolant level (P. 340)
• Toyota Super Long Life Coolant
or 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 cool-
ant)
Engine oil levelP. 336)
• Toyota Genuine Motor Oil or
equivalent
• Rag or paper towel, funnel
(used only for adding oil)
Fuses (P. 361)• Fuse with same amperage rating
as original
Radiator and condenser
(P. 342)
Tire inflation pressure (P. 350)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 346)• Water washer fluid containing
antifreeze (for winter use)

334
4-3. Do-it-yourself maintenance
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Engine compartment
1KR-FE engine
*: Vehicles with automatic air conditioning system and/or daytime running
light system.
Washer fluid tank (P. 346)
Engine oil level dipstick
(P. 336)
Engine oil filler cap
(P. 337)
Battery (P. 342)
Fuse box (P. 361)Radiator (P. 342)
Electric cooling fan
Condenser (P. 342)
Engine coolant reservoir
(P. 340)
Fuse box
*(P. 361)

335 4-3. Do-it-yourself maintenance
4
Maintenance and care
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1NR-FE engine
*: Vehicles with automatic air conditioning system and/or daytime running
light system.
Washer fluid tank (P. 346)
Engine oil filler cap
(P. 337)
Engine oil level dipstick
(P. 336)
Battery (P. 342)
Fuse box (P. 361)Radiator (P. 342)
Electric cooling fan
Condenser (P. 342)
Engine coolant reservoir
(P. 340)
Fuse box
*(P. 361)

340 4-3. Do-it-yourself maintenance
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Engine coolant
The coolant level is satisfactory if it is between the FULL and LOW
lines on the reservoir when the engine is cold.
Reservoir cap
FULL
LOW
If the level is on or below the
LOW line, add coolant up to the
FULL line.
NOTICE
To prevent serious engine damage
Check the oil level on regular basis.
When replacing the engine oil
Be careful not to spill engine oil on the vehicle components.
Avoid overfilling, as the engine could be damaged.
Check the oil level on the dipstick every time you refill the vehicle.
Be sure the engine oil filler cap is properly tightened.

341 4-3. Do-it-yourself maintenance
4
Maintenance and care
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If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock
and water pump.
If you cannot find a leak, have any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional, test the cap and check for
leaks in the cooling system.
Coolant selection
Only use “Toyota Super Long Life Coolant” or 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%
deionized water. (Enabled: -35C [-31F])
For more details about engine coolant, contact any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional.
CAUTION
When the engine is hot
Do not remove the coolant reservoir cap.
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 engine 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 damage to parts or paint.

5
395
5-1. Essential information
When trouble arises
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If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional, as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle
(Water dripping from the air conditioning system after use is
normal.)
Flat-looking tires or uneven tire wear
High engine coolant temperature warning light flashes or
comes on
Low engine coolant temperature indicator comes on or does
not come on continuously
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the engine
Operational symptoms
Engine missing, stumbling or running rough
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle pulls heavily to one side when driving on a level road
Loss of brake effectiveness, spongy feeling, pedal almost
touches the floor

436 5-2. Steps to take in an emergency
iQ_WE_74014EThe coolant level is satisfactory if
it is between the FULL and LOW
lines on the reservoir.
Reservoir
FULL
LOW
Radiator cap
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to
check that the radiator cooling fan operates and to check for
coolant leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on
immediately after a cold start. Confirm that the fan is operating by
checking the fan sound and air flow. If it is difficult to check these,
turn the air conditioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
If the fan is not operating:
Stop the engine immediately and contact any authorized
Toyota dealer or repairer, or another duly qualified and
equipped professional.
If the fan is operating:
Have the vehicle inspected at the nearest authorized Toy-
ota dealer or repairer, or another duly qualified and
equipped professional.

469 Alphabetical index
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Switch
Airbag manual on-off
switch.................................. 159
Emergency flasher switch ..... 386
Engine switch ................ 176, 179
Fog light switch ..................... 216
Hazard light switch ................ 386
Ignition switch ............... 176, 179
Light switches ....................... 211
Outside rear view mirror
switch.................................... 95
Power door lock switch ........... 73
Power window switch ............ 100
Rear window wiper and
washer switch ..................... 222
VSC OFF switch ................... 225
Window lock switch ............... 100
Wiper and washer
switch.......................... 218, 222
Tachometer .............................. 197
Tail lights
Replacing light bulbs ............. 374
Switch ................................... 211
Wattage................................. 456
Theft deterrent system
Alarm..................................... 119
Engine immobilizer system ... 108
Tire inflation pressure ............. 350
Tires
Chains ................................... 233
Checking ............................... 347
If you have a flat tire.............. 405
Inflation pressure .......... 350, 455
Rotating tires ......................... 347
Size ....................................... 455
Snow tires ............................. 231
Tools ......................................... 324
Towing
Emergency towing ................ 389
Trailer towing ........................ 235Traction control ....................... 224
TRC ........................................... 224
Trip information ....................... 205
Trip meter ................................. 206
Turn signal lights
Lever ..................................... 193
Replacing light bulbs............. 373
Wattage ................................ 456
Vanity mirrors .......................... 294
Vehicle identification
number ................................... 445
Vehicle stability control .......... 224
VSC ........................................... 224
Warning buzzers
Brake system ........................ 397
Seat belt reminder ................ 399
Warning lights
ABS....................................... 398
Airbag system ....................... 398
Anti-lock brake system.......... 398
Brake assist system .............. 398
Brake system ........................ 397
Charging system ................... 398
Electric power steering ......... 398
Engine oil pressure ............... 398
High engine coolant
temperature ........................ 398
Low fuel level ........................ 399
Malfunction indicator lamp .... 398
Open door ............................. 399
Pretensioners........................ 398
Seat belt reminder light ......... 399
Slip indicator ......................... 398
Smart entry & start system ... 401
SRS airbags.......................... 398
VSC OFF .............................. 398
Warning reflector holder ......... 301
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