TOYOTA YARIS HYBRID 2012 Owners Manual

331 2-4. Using other driving systems
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When driving
YARIS_F (including HV)_WE_52C79E
CAUTION
When the VSC is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may
cause an accident. Exercise particular care when the indicator light flashes.
When the TRC/VSC systems are turned off (except hybrid vehicle)
Be especially careful and drive at a speed appropriate to the road condi-
tions. Do not turn the TRC/VSC systems off unless necessary, as these are
the systems to ensure vehicle stability and driving force by automatically
controlling braking and engine outputs.
Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and
total load capacity. In addition, make sure that the tires are inflated to the
recommended tire inflation pressure level.
The ABS, TRC and VSC systems will not function correctly if different tires
are installed on the vehicle.
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional for further information when replacing tires or
wheels.
Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspension will affect
the driving assist systems, and may cause a system to malfunction.

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2-4. Using other driving systems
YARIS_F (including HV)_WE_52C79E
Hill-start assist control (hybrid vehicle)
Hill-start assist control operating conditions
The system operates in the following situations:
• The shift lever is in a position other than P.
• The parking brake is not applied.
• The accelerator pedal is not depressed.
Hill-start assist control cannot be operated while the slip indicator light is
illuminated.
Hill-start assist control
While hill-start assist control is operating, the brakes remain automati-
cally applied after the driver releases the brake pedal. The stop lights and
the high mounted stoplight turn on.
Hill-start assist control operates for about 2 seconds after the brake pedal
is released.
If the slip indicator does not flash and the buzzer does not sound when
the brake pedal is further depressed, slightly reduce the pressure on the
brake pedal (do not allow the vehicle to roll backward) and then firmly
depress it again. If the system still does not operate, check that the oper-
ating conditions explained above have been met.
Assists with starting off and temporarily maintains braking power
even if the foot is removed from the brake pedal when starting off on
an incline or a slippery slope.
To engage hill-start assist con-
trol, further depress the brake
pedal when the vehicle is
stopped completely.
A buzzer will sound once to
indicate the system is acti-
vated. The slip indicator will
also start flashing.

333 2-4. Using other driving systems
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When driving
YARIS_F (including HV)_WE_52C79E
Hill-start assist control buzzer
When hill-start assist control is activated, the buzzer will sound once.
In the following situations, hill-start assist control will be canceled and the
buzzer will sound twice.
• No attempt is made to drive the vehicle within approximately 2 seconds
of releasing the brake pedal.
• The shift lever is moved to P.
• The parking brake is applied.
• The brake pedal is depressed again.
• The brake pedal has been depressed for more than approximately 3
minutes.
If a buzzer other than the hill-start assist control buzzer is sounding, the
hill-start assist control buzzer may not sound.
If the slip indicator comes on
It may indicate a malfunction in the system. Contact any authorized Toyota
dealer or repairer, or another duly qualified and equipped professional.
CAUTION
Hill-start assist control
Do not overly rely on hill-start assist control. Hill-start assist control may
not operate effectively on steep inclines and roads covered with ice.
Unlike the parking brake, hill-start assist control is not intended to hold the
vehicle stationary for an extended period of time. Do not attempt to use
hill-start assist control to hold the vehicle on an incline, as doing so may
lead to an accident.

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2-4. Using other driving systems
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Diesel particulate filter system
: If equipped
Replacing the engine oil
P. 471
When the deposit collected by the filter reaches a predetermined
amount, it is automatically cleaned.
Cleaning the DPF catalytic converter
Cleaning the DPF catalytic converter is performed as necessary
in accordance with driving conditions.
Equipment characteristics
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

335 2-4. Using other driving systems
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When driving
YARIS_F (including HV)_WE_52C79E
CAUTION
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

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YARIS_F (including HV)_WE_52C79E
2-5. Driving information
Cargo and luggage
CAUTION
Things that must not be carried in the luggage compartment
The following things may cause a fire if loaded in the luggage compartment:
Receptacles containing gasoline
Aerosol cans
Storage precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
Stow cargo and luggage in the luggage compartment whenever possible.
Do not stack anything in the luggage compartment higher than the seat-
backs.
Such items may be thrown about and possibly injure people in the vehicle
in the event of sudden braking or in an accident.
Do not place cargo or luggage in or on the following locations as the item
may get under the clutch, brake or accelerator pedal and prevent the ped-
als from being depressed properly, block the driver’s vision, or hit the
driver or passengers, causing an accident:
• At the feet of the driver
• On the front passenger or rear seats (when stacking items)
• On the luggage cover
• On the instrument panel
• On the dashboard
Take notice of the following information about storage precautions,
cargo capacity and load:
Stow cargo and luggage in the luggage compartment whenever
possible.
Be sure all items are secured in place.
To maintain vehicle balance while driving, position luggage
evenly within the luggage compartment.
For better fuel economy, do not carry unnecessary weight.

337 2-5. Driving information
2
When driving
YARIS_F (including HV)_WE_52C79E
CAUTION
Secure all items in the occupant compartment, as they may shift and injure
someone during sudden braking, sudden swerving or an accident.
Vehicles with a rear seat: When you fold down the rear seats, long items
should not be place directly behind the front seats.
Never allow anyone to ride in the luggage compartment. It is not designed
for passengers. They should ride in their seats with their seat belts prop-
erly fastened. Otherwise, they are much more likely to suffer death or seri-
ous bodily injury, in the event of sudden braking, sudden swerving or an
accident.
Load and distribution
Do not overload your vehicle.
Do not apply loads unevenly.
Improper loading may cause deterioration of steering or braking control
which may cause death or serious injury.

338
2-5. Driving information
YARIS_F (including HV)_WE_52C79E
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
• Power control unit coolant (hybrid vehicle)
Except hybrid vehicle: Have a service technician inspect the
condition of the battery.
Hybrid vehicle: Have a service technician inspect the condi-
tion of the 12-volt 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.
Before driving the vehicle
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.

339 2-5. Driving information
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When driving
YARIS_F (including HV)_WE_52C79E
Check for and remove any excess ice or snow that may have
accumulated 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.
When driving the vehicle
Accelerate the vehicle slowly, keep a safe distance between you
and the vehicle ahead, and drive at a reduced speed suitable to
road conditions.
When parking the vehicle (in the winter time or in the cold
latitudes)
Park the vehicle and move the shift lever to P (vehicles with a
hybrid transmission or a Multidrive), E, M or R (vehicles with a
multi-mode manual transmission), and 1 or R (vehicles with a
manual 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.

340 2-5. Driving information
YARIS_F (including HV)_WE_52C79E
Selecting tire chains
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 on the use of tire chains
Regulations regarding the use of tire chains vary depending on loca-
tion and type of road. Always check local regulations before installing
chains.
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. 585)