engine TOYOTA PRIUS 2009 2.G User Guide

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2-1. Driving procedures
2
When driving
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NOTICE
■
If you get a flat tire while driving
A flat or damaged tire may cause the following situations. Hold the steering
wheel firmly and gradually press the brake pedal to slow down the vehicle.
● It may be difficult to control your vehicle.
● The vehicle will make abnormal sounds.
● The vehicle will behave abnormally.
Replace a flat tire with a new one. ( P. 439)
■ When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may
cause the following serious damage to the vehicle.
● Engine stalling
● Short in electrical components
● Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be
sure to have your Toyota dealer check the following.
● Brake function
● Changes in quantity and quality of engine oil, transmission fluid for the
hybrid system, etc.
● Lubricant condition for the bearings and suspension joints (where possi-
ble) and the function of all joints, bearings, etc.

136 2-1. Driving procedures
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■If the hybrid system does not start
The hybrid system immobilizer system may not have been deactivated.
(P. 82)
■ If the “READY” light does not come on
If the “READY” light does not come on when you press the power switch with
the shift lever in “P” and the brake pedal pressed, contact your Toyota dealer
immediately.
■ When the “POWER” switch in dicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Toy-
ota dealer immediately.
■ Auto power OFF function
The “POWER” switch will automatically turn OFF when left in ACCESSORY
mode for 1 hour or more.
■ Electronic key battery depletion
 P. 4 4
■ When the electronic key battery is discharged
 P. 392
■ Conditions affecting operation
 P. 4 2
■ Leak detection pump
Several hours after the engine is turned off, you may hear a sound coming
from underneath the luggage compartment for several minutes.
This is normal operation and does not indicate a malfunction.

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2-1. Driving procedures
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When driving
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Changing shift ranges in “P” position
With the brake pedal pressed
down, push the “P” position
switch.
The “P” position is displayed on
the instrument cluster, and the
indicator on the “P” position
switch comes on.
You can only shift to other posi-
tion from “P” when the brake
pedal is depressed.
When parking, check the shift
position is “P” on the instrument
cluster, and release the brake
pedal gently after applying the
parking brake.
■Shift position uses
*: Shown only while in “D” position.
Shift positionFunction
PParking the vehicle or starting the hybrid system
RReversing
NNeutral
DNormal driving
BEngine braking position*

140 2-1. Driving procedures
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■Using engine brake
To use the engine braking, shift the shift lever to “B” position.
● During high speed driving, you may feel that deceleration by engine brak-
ing is less than that of a typical vehicle.
● Do not continue normal driving with the transmission in “B” for a long
time.
This may cause decreased fuel economy. To prevent this, use “D” for
normal driving.
■ Reverse warning buzzer
When shifting into “R”, a buzzer will sound to inform the driver that the shift
lever is in “R”.
■ If the system malfunctions
The following conditions, there is some problem in the system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.
● The indicator on the “P” position switch flashes. However, this does not
indicate a malfunction unless a warning message appears in the touch
screen.
● All frames of shift position indicators in the instrument cluster flash.
● The parking system error message appears on the touch screen.
● The instrument cluster and touch screen does not come on when the
“POWER” switch is in ON mode.

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2-5. Driving information
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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 12 volt 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.

Maintenance and care4
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4-1. Maintenance and careCleaning and protecting the vehicle’s exterior ............ 342
Cleaning and protecting the vehicle’s interior ............. 344
4-2. Maintenance Maintenance requirements .................. 347
General maintenance....... 349
Emission inspection and maintenance (I/M)
programs ........................ 352
4-3. Do-it-yourself maintenance Do-it-yourself service precautions .................... 353
Hood ................................ 357
Positioning a floor jack ..... 358
Engine compartment ........ 360
Tires ................................. 375
Tire inflation pressure ...... 384
Wheels ............................. 388
Air conditioning filter......... 390
Electronic key battery....... 392
Checking and replacing fuses .............................. 394
Light bulbs........................ 403

348 4-2. Maintenance
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■Allow inspection and repairs to be performed by a Toyota dealer
● Toyota technicians are well-trained specialists and are kept up to date
with the latest service information. They are well informed about the
operations of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will promptly
take care of it.
CAUTION
■Hazardous materials
● Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of California to
cause cancer and birth defects and other reproductive harm. Work in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of Califor-
nia to cause cancer and birth defects or other reproductive harm. Avoid
exposure and wash any affected area immediately.
● 12 volt battery posts, terminals and related accessories contain lead and
lead compounds which are known to cause brain damage. Wash your
hands after handling. ( P. 371)
● Used engine oil contains chemicals that have been shown to cause cancer
in laboratory animals. Avoid prolonged and repeated contact. Always pro-
tect your skin by washing thoroughly with soap and water.

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4-2. Maintenance
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Maintenance and care
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General maintenance
Engine compartment
Luggage compartment
ItemsCheck points
Brake fluid • At the correct level? ( P. 369)
Engine/inverter coolant • At the correct level? (P. 367)
Engine oil • At the correct level? (P. 361)
Exhaust system • No fumes or strange sounds?
Radiator/condenser/hoses • Not blocked with foreign matter?
(P. 369)
Washer fluid • At the correct level? (P. 374)
ItemsCheck points
12 volt battery • Maintenance-free (P. 371)
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Scheduled Maintenance
Guide” or “Owner’s Manual Supp lement”. It is recommended that
any problem you notice should be brought to the attention of your
Toyota dealer or qualified service shop for advice.

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4-2. Maintenance
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Maintenance and care
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Vehicle exterior
ItemsCheck points
Doors • Operate smoothly?
Engine hood • The lock system works properly?
Fluid leaks • Is there any leakage after parking?
Tire• Inflation pressure is correct?
• Tire surfaces not worn or damaged?
• Tires rotated according to the mainte-
nance schedule?
• Wheel nuts are not loose?
CAUTION
■ If the hybrid system is operating
Turn off the hybrid system and ensure that there is adequate ventilation
before performing maintenance checks.

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Maintenance and care
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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
procedure given in these sections.
ItemsParts and tools
12 volt battery condition(P. 371)
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level ( P. 369)
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/inverter coolant level (P. 367)
• “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.
For the U.S.A.:
“Toyota Super Long Life Cool-
ant” is pre-mixed with 50% cool-
ant and 50% deionized water.
For Canada:
“Toyota Super Long Life Cool-
ant” is pre-mixed with 55% cool-
ant and 45% deionized water.
• Funnel (used only for adding cool- ant)