traction control TOYOTA RAV4 2018 Owners Manual (in English)

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11
The SRS airbag and seat belt pretensioner devices in your Toyota contain
explosive chemicals. If the vehicle is scrapped with the airbags and seat belt
pretensioners left as they are, this may cause an accident such as fire. Be
sure to have the systems of the SRS airbag and seat belt pretensioner
removed and disposed of by a qualified service shop or by your Toyota dealer
before you scrap your vehicle.
Special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate.
Your vehicle has components that may contain perchlorate. These compo-
nents may include airbag, seat belt pretensioners, and wireless remote con-
trol batteries.
Scrapping of your Toyota
Perchlorate Material
WARNING
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the influ-
ence of alcohol or drugs that have impaired your ability to operate your vehi-
cle. Alcohol and certain drugs delay reaction time, impair judgment and
reduce coordination, which could lead to an accident that could result in
death or serious injury.
Defensive driving: Always drive defensively. Anticipate mistakes that other
drivers or pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full attention to driving. Anything that
distracts the driver, such as adjusting controls, talking on a cellular phone or
reading can result in a collision with resulting death or serious injury to you,
your occupants or others.
■ General precaution regard ing children’s safety
Never leave children unattended in the vehicle, and never allow children to
have or use the key.
Children may be able to start the vehicle or shift the vehicle into neut\
ral.
There is also a danger that children may injure themselves by playing with
the windows, the moon roof, or other features of the vehicle. In addition,
heat build-up or extremely cold temperatures inside the vehicle can be fatal
to children.

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4-5. Using the driving support systems
Driving assist systems
◆ABS (Anti-lock Brake System)
Helps to prevent wheel lock when the brakes are applied suddenly, or if the
brakes are applied while driving on a slippery road surface
◆Brake assist
Generates an increased level of braking force after the brake pedal is
depressed when the system detects a panic stop situation
◆VSC (Vehicle Stability Control)
Helps the driver to control skidding when swerving suddenly or turning on
slippery road surfaces
◆TRAC (Traction Control)
Helps to maintain drive power and prevent the drive wheels from spinning
when starting the vehicle or accelerating on slippery roads
◆AUTO LSD function (2WD models)
The AUTO LSD function is activated when the system is in TRAC off
mode. It operates when one of the drive wheels is spinning, such as when
the wheel is spinning freely on ice or mud. The system applies the brakes
to the spinning wheel and transfers some of the torque to the other wheel
to secure drive power.
◆Hill-start assist control
Helps to reduce the vehicle from rolling backward when starting on an
incline
To help enhance driving safety and performance, the following
systems operate automatically in response to various driving
situations. Be aware, however, that these systems are supple-
mentary and should not be relied upon too heavily when operat-
ing the vehicle.

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4-5. Using the driving support systems
If the vehicle gets stuck in mud, di rt or snow, the TRAC system may
reduce power from the engine to the wheels. Pressing to turn the
system off may make it easier for you to rock the vehicle in order to
free it.
To turn the TRAC system off, quickly press and release .
Press again to turn the system back on.
Disabling the TRAC system
2WD models: AWD models:
The “AUTO LSD” and VSC OFF
indicator lights will come on. “Traction Control Turned Off” will
be shown.

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3134-5. Using the driving support systems
4
Driving
■Turning off the TRAC/VSC/Trailer Sway Control systems
To turn the TRAC/VSC/Trailer Sway Control systems off, press and hold
for more than 3 seconds while the vehicle is stopped.
“Traction Control Turned Off” will be shown and the VSC OFF indicator light
will come on.
*
Press again to turn the systems back on.
*: On vehicles with pre-collision system, pre-collision brake assist and pre-
collision braking will also be disabled. The PCS warning light will come on
and the message will be shown on the multi-information display. ( →P. 242)
■ When the “AUTO LSD” indicator light flashes even if the VSC OFF
switch has not been pressed (2WD models)
TRAC, AUTO LSD and hill-start assist control cannot be operated. Contact
your Toyota dealer.
■ When the message is displayed on th e multi-information display show-
ing that TRAC has been disabled even if the VSC OFF switch has not
been pressed (AWD models)
TRAC and hill-start assist control cannot be operated. Contact your Toyota
dealer.
■ Sounds and vibrations caused by the ABS, brake assist, VSC/Trailer
Sway Control, TRAC and hill-start assist control systems
● A sound may be heard from the engine compartment when the brake pedal
is depressed repeatedly, when the engine is started or just after the vehicle
begins to move. This sound does not indicate that a malfunction has
occurred in any of these systems.
● Any of the following conditions may occur when the above systems are
operating. None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly after the ABS is activated.
■ EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be
heard. This does not indicate a malfunction.
■ Automatic reactivation of TRAC an d VSC/Trailer Sway Control systems
After turning the TRAC and VSC/Trailer Sway Control systems off, the sys-
tems will be automatically re-enabled in the following situations:
● When the engine switch is turned to the “LOCK” position (vehicles without
smart key system) or off (vehicles with smart key system).
● If only the TRAC system is turned off, the TRAC will turn on when vehicle
speed increases.
If both the TRAC and VSC/Trailer Sway Control systems are turned off,
automatic re-enabling will not occur when vehicle speed increases.

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6899-1. Specifications
9
Vehicle specifications
This information has been prepared in accordance with regulations
issued by the National Highway Traffic Safety Administration of the
U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota
vehicles with information on uniform tire quality grading.
Your Toyota dealer will help answe r any questions you may have as
you read this information.
■DOT quality grades
All passenger vehicle tires must c onform to Federal Safety Require-
ments in addition to these grades. Quality grades can be found
where applicable on the tire sidewall between tread shoulder and
maximum section width.
For example: Treadwear 200 Traction AA Temperature A
■Treadwear
The treadwear grade is a comparative rating based on the wear
rate of the tire when tested under controlled conditions on a speci-
fied government test course.
For example, a tire graded 150 wo uld wear one and a half (1 - 1/2)
times as well on the government course as a tire graded 100.
The relative performance of tire s depends upon the actual condi-
tions of their use. Performance may differ significantly from the norm
due to variations in driving habits, service practices and differences
in road characteristics and climate.
■Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C,
and they represent the tire’s ability to stop on wet pavement as
measured under controlled conditio ns on specified government test
surfaces of asphalt and concrete.
A tire marked C may have poor traction performance.
Warning: The traction grade assigned to this tire is based on braking
(straight ahead) traction tests and does not include cornering (turn-
ing) traction.
Uniform Tire Quality Grading

739Alphabetical index
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Talk switch*.......................... 482
Telephone switches ...... 368, 459
Tire pressure warning
reset switch ........................ 571
VSC OFF switch ................... 312
Window lock switch............... 156
Windshield wipers and washer switch ..................... 225
Tachometer ................................ 84
Tail lights .................................. 215 Light switch ........................... 215
Replacing light bulbs............. 602
Wattage ................................ 680
Talk switch
*............................. 482
Telephone switches ........ 368, 459
Theft deterrent system
Engine immobilizer system ..... 73
Tire inflation pressure ............. 679
Maintenance data ................. 679
Warning light ......................... 621
Tire information ....................... 684
Glossary................................ 691
Size ....................................... 687
Tire identification number ..... 686
Uniform Tire Quality Grading............................... 689
Tire pressure warning system .................................... 571
Function ................................ 571
Initializing .............................. 571
Installing tire pressure warning valves and
transmitters......................... 571
Registering ID codes ............ 573
Tire pressure warning
reset switch ........................ 571
Warning light ......................... 621 Tires .......................................... 569
Chains .................................. 317
Checking............................... 569
If you have a flat tire ............. 645
Inflation pressure .................. 679
Information............................ 684
Replacing.............................. 645
Rotating tires ........................ 570
Size....................................... 679
Snow tires ............................. 319
Spare tire .............................. 645
Tire pressure warning
system .......... ...................... 571
Warning light......................... 621
Tools ......................................... 646
Top tether strap ......................... 69
Total load capacity .................. 672
Touchless power back door ........................................ 115
Towing
Dinghy towing ....................... 197
Emergency towing ................ 613
Towing eyelet ....................... 613
Trailer Sway Control ............. 311
Trailer towing ........................ 181
Toyota Safety Sense P ............ 235
TRAC (Traction Control) ......... 310
Trailer Sway Control ............... 311
Trailer towing ........................... 181
Transmission Automatic transmission ........ 205
If the shift lever cannot be shifted from P ..................... 211
Paddle shift switches ............ 208
Selecting the driving mode ... 207
Trip information ......................... 94
Trip meters ................................. 85
Troubleshooting ...................... 724
T
*: Refer to “NAVIGATION AND MULT IMEDIA SYSTEM OWNER’S MANUAL”.