snow chains TOYOTA PRIUS 2009 2.G Owners Manual

168 2-4. Using other driving systems
PRIUS_U_(OM47614U)
CAUTION
■The ABS does not operate effectively when
● The limits of tire gripping performance have been exceeded.
● The vehicle hydroplanes while driving at high speed on the wet or slick
road.
■ Stopping distance when the ABS is ope rating on the wet or slick roads
The ABS is not designed to shorten the vehicle’s stopping distance. Always
maintain a sufficient distance from the vehicle in front of you in the following
situations.
● When driving on dirt, gravel or snow-covered roads
● When driving with tire chains
● When driving over bumps in the road
● When driving over roads with potholes or roads with uneven pavement
■ When the Enhanced VSC is activated
The slip indicator light flashes and a warning buzzer sounds. Always drive
carefully.
Reckless driving may cause an accident. Exercise particular care when the
indicator light flashes and a buzzer sounds.
■ Replacing tires
Make sure that all tires are of the same size, brand, tread pattern and total
load capacity. In addition, make sure that the tires are inflated to the speci-
fied tire pressure level.
The ABS and Enhanced VSC will not function correctly if different tires are
fitted on the vehicle.
Contact your Toyota dealer for further information when replacing tires or
wheels.

173
2-5. Driving information
2
When driving
PRIUS_U_(OM47614U)
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.

175
2-5. Driving information
2
When driving
PRIUS_U_(OM47614U)
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.
● Use SAE Class “S” type radial tire chains, with the exception of
radial cable chains or V-bar type chains.
• Install the chains on the front tires.
• Refer to the explanation that comes with the tire chains for
installation instructions.
● Retighten the chains after driving 1/4 - 1/2 mile (0.5 - 1.0 km).
■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.
● 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 specified level of tire inflation 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.

176 2-5. Driving information
PRIUS_U_(OM47614U)
CAUTION
■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, as use of chains may adversely affect
vehicle handling.
● Slow down sufficiently before entering a curve to ensure that vehicle con-
trol is maintained.
NOTICE
■Repairing or replacing snow tires
Request repairs of and obtain replacement snow tires from Toyota dealers.
This is because the removal and attachment of snow tires affects the opera-
tion of the tire pressure warning valves and transmitters.
■ Fitting tire chains
The tire pressure warning valves and transmitters may not function correctly
when tire chains are fitted.

432 5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies
are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
●If non-genuine Toyota wheels are used (Even if you use Toyota
wheels, the tire pressu re warning system may not work properly with
some types of tires.).
●If tire chains are used.
■If the tire pressure warning light comes on after blinking for 1
minute frequently
If the tire pressure warning light comes on after blinking for 1 minute fre-
quently when the “POWER” switch is turned to ON mode, have it
checked by your Toyota dealer.

442 5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)Firmly tighten each nut two or
three times in the order shown in
the illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Stow the flat tire, the tire jack and all tools.
4
1
2
3
5
ITY52P013
STEP4
■If you have a flat front tire on a road covered with snow or ice
Install the compact spare tire on the rear of the vehicle. Perform the fol-
lowing steps and fit tire chains to the front tires.
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of
the vehicle.
Fit tire chains to the front tires.
■After completing the tire change
The tire pressure warnin g system must be reset. ( P. 376)
STEP5
STEP1
STEP2
STEP3

503
Alphabetical index
PRIUS_U_(OM47614U)
Tire information
Glossary ............................... 479
Size ...................................... 476
Tire identification number ..... 475
Uniform tire quality grading .. 477
Tires
Chains .................................. 175
Checking .............................. 375
Compact spare tire ............... 437
If you have a flat tire ............. 436
Inflation pressure .................. 468
Information ........................... 473
Pressure warning system ..... 375
Replacing ............................. 436
Rotating tires ........................ 375
Size ...................................... 468
Snow tires............................. 175
Spare tire .............................. 437
Tools......................................... 436
Total load capacity .................. 172
Touch screen ........................... 182
Towing Dinghy towing ....................... 178
Emergency towing ................ 413
Trailer towing ........................ 177
Transmission “P” position switch ................ 139
Transmission ........................ 138
Trip information......................... 27
Trip meter................................. 146
Turn signal lights Replacing light bulbs ............ 403
Switch ................................... 142
Wattage ................................ 469
Vanity lights Vanity lights .......................... 327
Wattage ................................ 469
Vanity mirrors .......................... 327
Vehicle identification
number................................... 461
Vehicle load limits ................... 172 Warning buzzers
Brake system ........................423
Open door ............................426
Seat belt reminder .................426
Warning lights Anti-lock brake
system (ABS) ......................425
Brake system ........................423
Charging system .... ...............424
Electric power steering warning light........................425
Low fuel level ........................426
Malfunction indicator lamp ....424
Master warning light ..............427
Open door .............................426
Seat belt reminder light .........426
SRS airbags ..........................424
Tire pressure warning
light .....................................426
Washer Checking ...............................374
Preparing and checking before winter .......................173
Switch....................................156
Washing and waxing ...............342
Weight
Cargo capacity ......................169
Load limits .............................172
Weight ...................................460
Wheels ......................................388
Window glasses ........................76
Window lock switch ...................76
Windows Power windows .......................76
Rear window defogger ..........213
Washer ..................................156
Windshield wipers
Windshield wipers .................156
Winter driving tips ...................173
Wireless remote control key Locking/Unlocking ...................49
Replacing the battery ............392
WMA disc ..................................250
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