wheel TOYOTA IQ 2013 Service Manual

149
2-5. Driving information
2
When driving
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 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 th e 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 accumu lated 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.

150 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.

151
2-5. Driving information
2
When driving
■
Snow chain installation
Observe the following precautions when installing and removing chains.
●Install and remove tire chains in a safe location.
● Install tire chains on the front tires only. Do not install tire chains on the
rear tires.
● Install the tire chains on front tires as tightly as possible.
● Install tire chains following the instructions provided in the accompanying
instructions.
CAUTION
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failing to do so may result in a loss of vehicle control and cause death or
serious injury.
●Use tires of the size specified for your vehicle.
● Maintain the recommended level of air pressure.
● Do not drive in excess of 75 mph (120 km/h) regardless of the type of
snow tires being used.
● Snow tires should be installed on all wheels.
■ Driving with snow chains
Observe the following precautions to reduce the risk of accidents.
Failing 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 30 mph (50 km/h), whichever is lower.
● Avoid driving on bumpy road surfaces or over potholes.
● Avoid sudden turns and braking.
● Slow down sufficiently before entering a curve to ensure that vehicle con-
trol is maintained.

153
2-5. Driving information
2
When driving
Trailer towing
Scion does not recommend towing a trailer with your vehicle. Scion
also does not recommend the installation of a tow hitch or the use of
a tow hitch carrier of a wheelchair, scooter, bicycle, etc. Your vehicle
is not designed for trailer towing or for the use of tow hitch mounted
carriers.

154
2-5. Driving information
Dinghy towing
NOTICE
■To avoid serious damage to your vehicle
Do not tow your vehicle with four wheels on the ground.
Your vehicle is not designed to be dinghy towed (with 4 wheels on
the ground) behind a motor home.

Interior features3
155
3-1. Using the air conditioning system and defogger
Air conditioning system .... 156
Rear window defogger ..... 162
Rear window and outside rear view mirror
defoggers ....................... 163
3-2. Using the audio system Using the AUX port/USB port ........................ 165
Using the steering wheel audio switches ............... 166
3-3. Using the interior lights Interior lights list ............... 167
• Interior light .................... 168
3-4. Using the storage features List of storage features .... 169
• Cup holder ..................... 170
• Bottle holders ................. 171
• Auxiliary box .................. 172 3-5. Other interior features
Sun visors ........................ 173
Vanity mirrors ................... 174
Power outlet ..................... 175
Assist grips....................... 176
Floor mat .......................... 177
Luggage compartment features .......................... 179

166
3-2. Using the audio system
Using the steering wheel audio switches
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
Some audio features (aud io volume control, radio, CD player etc.)
can be controlled using the switches on the steering wheel.
For more information, please re fer to the “SCION Audio System
Owner’s Manual” or “SCION Navigation System Owner’s Manual”.

Maintenance and care4
181
4-1. Maintenance and careCleaning and protecting the vehicle exterior......... 182
Cleaning and protecting the vehicle interior.......... 185
4-2. Maintenance Maintenance requirements .................. 188
General maintenance....... 190
Emission inspection and maintenance (I/M)
programs........................ 193 4-3. Do-it-yourself maintenance
Do-it-yourself service precautions .................... 194
Hood ................................ 197
Positioning a floor jack ..... 199
Replacing the tire ............. 202
Engine compartment ........ 208
Tires ................................. 220
Tire inflation pressure ...... 228
Wheels ............................. 232
Air conditioning filter......... 234
Key battery ....................... 238
Checking and replacing fuses .............................. 240
Light bulbs........................ 251

182
4-1. Maintenance and care
Cleaning and protecting the vehicle exterior
■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.
■ High pressure car washes
●Do not allow the nozzles of the car wash to come within close proximity
of the windows.
● Before car wash, check that the fuel filler door on your vehicle is closed
properly.
■ Bumpers and side moldings
Do not scrub with abrasive cleaners.
Perform the following to protect the vehicle and maintain it in prime
condition.
● Working from top to bottom, liber ally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any
dirt and dust.
Wash the vehicle body using a sponge or soft cloth, such as a
car wash mitt.
● For hard-to-remove marks, use car wash soap and rinse thor-
oughly with water.
● Wipe away any water.
● Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle
body is cool.

183
4-1. Maintenance and care
4
Maintenance and care
CAUTION
■
Caution about the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled
sufficiently, as touching a hot exhaust pipe can cause burns.
NOTICE
■To prevent paint deterioration and corrosion on the body and compo-
nents
● Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If you see coal tar or tree sap on the paint surface
• If you see dead insects, insect droppings or bird droppings on the paint
• After driving in an area contaminated with soot, oily smoke, mine dust,
iron powder or chemical substances
• If the vehicle becomes heavily soiled in dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
● If the paint is chipped or scratched, have it repaired immediately.
● To prevent the wheels from corroding, remove any dirt and store in a place
with low humidity when storing the wheels.
■ Cleaning the exterior lights
●Wash carefully. Do not use organic substances or scrub with a hard brush.
This may damage the surfaces of the lights.
● Do not apply wax on the surfaces of the lights.
Wax may cause damage to the lenses.
■ Antenna installation and removal precautions
●Before driving, ensure that the antenna is installed.
● When the antenna is removed, such as before entering an automatic car
wash, make sure to store it in a suitable place so as not to lose it. Also,
before driving, make sure to reinstall the antenna in its original position.