2015 TOYOTA YARIS HATCHBACK Owners Manual

265
4
4-6. Using the driving support systems
Driving
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Diesel par ticulate filter system
Cleaning the DPF catalytic converter is performed as necessary in
accordance with driving conditions.
The DPF system has the following characteristics:
● Idle speed increases during cleaning
● The smell of the exhaust gas changes
● When starting the engine, white-colored steam (water vapor) may
be expelled during cleaning
● Acceleration performance may degrade during cleaning
■Replacing the engine oil
 P. 361
: If equipped
When the deposit collected by the filter reaches a predetermined
amount, it is automatically cleaned.
Cleaning the DPF catalytic converter
Equipment characteristics

2664-6. Using the driving support systems
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WARNING
■Exhaust pipe
Do not touch the exhaust pipe during cleaning, as the exhaust pipe and
exhaust gases will become particularly hot. Also, make sure that there are
no people or flammable materials near the exhaust pipe while the vehicle is
stopped.
Failure to do so may cause injury by burning or a fire.
NOTICE
■ To prevent the DPF system from failing
● Do not use fuel other than the specified type
● Do not use engine oil other than the recommended type
● Do not modify the exhaust pipe

267
4
4-7. Driving tips
Driving
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Winter driving tips
●Use fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine oil
• Engine coolant
• Washer fluid
● Have a service technician inspect the condition of the battery.
● 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 their wear level
is not noticeably different with each other. Also make sure that chains
match the size of the tires.
Perform the following according to the driving conditions:
● Do not try to forcibly open a window or move a wiper 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.
● Check for and remove any excess ice or snow that may have accu-
mulated on the exterior lights, vehicle’s roof, chassis, around the
tires or on the brakes.
● Remove any snow or mud from the bottom of your shoes before
getting in the vehicle.
Carry out the necessary preparations and inspections before
driving the vehicle in winter. Always drive the vehicle in a man-
ner appropriate to the prevailing weather conditions.
Preparation for winter
Before driving the vehicle

2684-7. Driving tips
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Accelerate the vehicle slowly, keep a safe distance between you and
the vehicle ahead, and drive at a reduced speed suitable to road con-
ditions.
Park the vehicle and move the shift lever to P (Multidrive) 1 or R (man-
ual transmission) without setting the parking brake. The parking brake
may freeze up, preventing it from being released. If necessary, block
the wheels to prevent inadvertent sliding or creeping.
Use the correct tire chain size when mounting the tire chains.
Chain size is regulated for each tire size.
Side chain
Except 175/65R14 tires:
3 mm (0.12 in.) in diameter
175/65R14 tires:
4 mm (0.16 in.) in diameter
Cross chain
Except 175/65R14 tires:
4 mm (0.16 in.) in diameter
175/65R14 tires:
5 mm (0.20 in.) in diameter
Regulations regarding the use of tire chains vary depending on loca-
tion and type of road. Always check local regulations before installing
chains.
When driving the vehicle
When parking the vehicle
Selecting tire chains
1
2
Regulations on the use of tire chains

2694-7. Driving tips
4
Driving
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■Tire 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 tire chains on front tires as tightly as possible. Retighten chains after
driving 0.5  1.0 km (1/4  1/2 mile).
● Install tire chains following the instructions provided with the tire chains.
● If wheel ornaments are used, they will be scratched by the chain band, so
remove the ornaments before putting on the chains. ( P. 450)
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).

2704-7. Driving tips
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271
5Audio system
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5-1. Basic Operations
Audio system types............ 272
Steering wheel audio
switches ........................... 274
USB port ............................ 275
5-2. Using the audio system
Optimal use of the audio
system ............................. 276
5-3. Using the radio
Radio operation ................. 278
5-4. Playing audio CDs and
MP3/WMA discs
CD player operation ........... 283
5-5. Using an external device
Listening to an iPod ........... 292
Listening to a USB
memory device ................ 299

2725-1. Basic Operations
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Audio system types
Vehicles with a Navigation/Multimedia system
Owners of models equipped with a Navigation/Multimedia system
should refer to the “Navigation and multimedia system Owner’s man-
ual”.
: If equipped