2014 TOYOTA IQ brake

152 2-5. Driving information
Selecting tire chainsUse the correct tire chain size when mounting the snow chains.
Chain size is regulated for each tire size.
Side chain
0.12 in. (3 mm) in diameter
0.39 in. (10 mm) in width
1.18 in. (30 mm) in length
Cross chain
0.16 in. (4 mm) in diameter
0.55 in. (14 mm) in width
0.98 in. (25 mm) in length
Regulations on the use of snow chains
● Regulations regarding the use of tire chains vary according to loca-
tion and type of road. Always check local regu lations before install-
ing chains.
● Install the chains on the front tires.
● Retighten the chains after drivi ng 1/4 - 1/2 mile (0.5 - 1.0 km).
■When driving the vehicle
Accelerate the vehicle slowly and drive at a reduced speed suit-
able to road conditions.
■ When parking the vehicle
Park the vehicle and move the shift lever to P without setting the
parking brake. The parking brak e may freeze up, preventing it
from being released. If necessary , block the wheels to prevent
inadvertent sliding or creeping.

192
4-2. Maintenance
General maintenance
Engine compartment
ItemsCheck points
BatteryMaintenance-free. (P. 218)
Brake fluid At the correct level? (P. 217)
Engine coolant At the correct level? (P. 215)
Engine oil At the correct level? (P. 211)
Exhaust system No fumes or strange sounds?
Radiator/condenser/hoses Not blocked with foreign matter?
(P. 216)
Washer fluid At the correct level? (P. 220)
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Owner’s warranty Informa-
tion Booklet” or “Owner’s Manual Supplement/Scheduled
Maintenance Guide”. It is recommended that any problem you notice
should be brought to the attention of your Scion dealer or qualified
service shop for advice.

193
4-2. Maintenance
4
Maintenance and care
Vehicle interior
ItemsCheck points
Accelerator pedal
• Moves smoothly (without uneven
pedal effort or catching)?
Automatic transmission “Park”
mechanism • Can the vehicle be hold securely
on an incline with the shift lever in
P?
Brake pedal • Moves smoothly?
• Does it have appropriate clear-
ance and correct amount of free
play?
Brakes • Not pull to one side when
applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints • Move smoothly and lock
securely?
Indicators/buzzers • Function properly?
Lights • Do all the lights come on?
• Headlights aimed correctly?
Parking brake • Moves smoothly?
• Can hold the vehicle securely on
an incline?
Seat belts • Does the seat belt system oper-
ate smoothly?
• Are the belts undamaged?
Seats • Do the seat controls operate
properly?
Steering wheel • Moves smoothly?
• Has correct free play?
• No strange noises?

196
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. 218)
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level ( P. 217)
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
• Rag or paper towel
Engine coolant level ( P. 215)
• “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.
Except Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant
and 50% deionized water.
Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55% coolant
and 45% deionized water.
• Funnel (used only for adding cool- ant)
Engine oil level P. 211)
• Toyota Genuine Motor Oil or
equivalent
• Rag or paper towel
• Funnel (used only for adding oil)
Fuses (P. 244)• Fuse with same amperage rating
as original

198 4-3. Do-it-yourself maintenance
CAUTION
■When working on the engine compartment
●Take care because brake fluid can harm your hands or eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with
clean water immediately.
If you still experience discomfort, see a doctor.
■ When working near the electric cooling fan or radiator grille
Be sure the engine switch is in the LOCK position.
With the engine switch in the ON position, the electric cooling fan may \
auto-
matically start to run if the air condi tioning system is on and/or the coolant
temperature is high. ( P. 216)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.
NOTICE
■If you remove the air cleaner
Driving with the air cleaner removed may cause excessive engine wear due
to dirt in the air.

202 4-3. Do-it-yourself maintenance
CAUTION
■When raising your vehicle
Make sure to observe the following to reduce the possibility of death or\
seri-
ous injury.
●When using a floor jack, follow the instructions of the manual provided with
the jack.
● Do not use the jack for tire replacement which can be purchased at Scion
dealer for your vehicle.
● Do not put any part of your body or get underneath the vehicle supported
only by the floor jack.
● Always use floor jack and/or automotive jack stands on a solid, flat, level
surface.
● Do not start the engine while the vehicle is supported by the floor jack.
● Stop the vehicle on level firm ground, firmly set the parking brake and put
the shift lever in P.
● Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage
the vehicle and may cause the vehicle to fall off the floor jack.
● Do not raise the vehicle while someone is in the vehicle.
●Lift up the vehicle using a floor jack
such as the one shown in the illustra-
tion.
●Do not jack the vehicle at sections such
as the rear suspension. The vehicle
may be damaged.
Rear suspension
Front

204
4-3. Do-it-yourself maintenance
Replacing the tire
Replacing a tireChock the tires.
When raising your vehicle with a jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.
Jack, wheel nut wrench and wheel chocks can be purchased at
your Scion dealer.
■Before jacking up the vehicle
●Stop the vehicle on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P.
● Stop the engine.
Tire positionWheel chock
positions
Front
Left-
hand
sideBehind and in
front of the
rear right-
hand side tire
Right-
hand
sideBehind and in
front of the
rear left-hand
side tire
Rear
Left-
hand
sideBehind and in
front of the
front right-
hand side tire
Right-
hand
sideBehind and in
front of the
front left-hand
side tire

210
4-3. Do-it-yourself maintenance
Engine compar tment
Engine oil filler cap ( P. 212)
Engine oil level dipstick ( P. 2 11 )
Battery ( P. 218)
Brake fluid reservoir ( P. 217)
Fuse box ( P. 244)Washer fluid tank ( P. 220)
Radiator ( P. 216)
Electric cooling fan
Condenser ( P. 216)
Engine coolant reservoir ( P. 215)
Fuse box ( P. 244)