2023 TOYOTA 4RUNNER warning light

3144-5. Using the driving support systems
4RUNNER (U)■
Automatic system cancelation
In the following situations, the system will cease operation an d a buzzer will
sound to alert the driver. The Cr awl Control indicator will flash until the system
is turned off completely.
● When the shift lever is shifted to P or N
● When the front-wheel drive control lever or switch is shifted to H4
● When the driver’s door is opened
● When the system is malfunctioning
● When the brake system overheats
Stop the vehicle in a safe place. (There is no problem with continuing normal
driving.)
● When the automatic transmission system overheats
Stop the vehicle in a safe place until the automatic transmission fluid tem-
perature warning light goes off.
■ Sounds and vibrations caused by the Crawl Control system
● A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound do es not indicate
that a malfunction has occurred in Crawl Control system.
● Either of the following conditions may occur when the Crawl Control system
is 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.
■ When there is a malfunction in the system
Warning lights and/or warning messages will turn on. ( P. 477, 488)
WARNING
■When using Crawl Control
● Do not overly rely on Crawl Control. This function does not ext end the
vehicle’s performance limitations. Always check the terrain tho roughly and
drive safely.
● The recommended speed modes for the listed terrains ( P. 313) are only
a reference. The selected mode may not be suitable to actual off-road con-
ditions due to factors such as the type or unevenness of the te rrain or the
degree of incline. Check the actual terrain thoroughly and drive safely.
● After activating Crawl Control, make sure that the Crawl Control indicator
comes on. If the indicator flashes, the vehicle is not under system control.
■ Conditions under which the syst em may not operate correctly
When driving on the following surfaces, the system may not be able to
maintain a fixed low speed, which may result in an accident:
● Extremely steep inclines
● Extremely uneven surfaces
● Snow-covered roads, or other slippery surfaces

3274-5. Using the driving support systems
4
Driving
4RUNNER (U)
■When the “TRAC OFF” indicator light comes on even if has not
been pressed
TRAC, hill-start assist control, downhill assist control and cr awl control are
temporary deactivated. If the indicator light continues to rema in on, contact
your Toyota dealer.
■ When the VSC or TRAC system is turned off by pressing the VSC o ff
switch
On vehicles with pre-collision system, pre-collision brake assi st and pre-colli-
sion braking will also be disabled. The PCS warning light will come on and
the message will be shown on the multi-information display. ( P. 248)
■ Operating conditions of hill-start assist control
When the following conditions are met, the hill-start assist co ntrol will operate:
2WD models
● The shift lever is in a position other than P or N (when starting off forward/
backward on an upward incline)
● The vehicle is stopped
● The accelerator pedal is not depressed
● The parking brake is not engaged
4WD models
● The system has detected that the vehicle is moving backward
● The shift lever is in a position other than P or N (when starting off forward/
backward on an upward incline)
● The brake pedal is not depressed.
● The rear differential is not locked.(if equipped)
■ Automatic system cancelation of hill-start assist control (2WD models)
The hill-start assist control will turn off in any of the following situations:
● The shift lever is shifted to P or N
● The accelerator pedal is depressed
● The parking brake is engaged
● 2 seconds at maximum elapsed after the brake pedal is released
■ When the brake system o perates continuously
The brake actuator may overheat. In this case, the TRAC and hil l-start assist
control systems will stop operating, a buzzer will sound and th e “TRAC OFF”
indicator will come on. Refrain from using the system until the “TRAC OFF”
indicator turns off. (There is no problem with continuing norma l driving.)

3304-5. Using the driving support systems
4RUNNER (U)
WARNING
■When the TRAC/VSC/Trailer Sway Control is activated
The slip indicator light flashes. Always drive carefully.
Reckless driving may cause an accident. Exercise particular car e when the
indicator light flashes.
■ When TRAC/VSC/Trailer Sway Control systems are turned off
Be especially careful and drive at a speed appropriate to the r oad condi-
tions. As these are systems to help ensure vehicle stability and driving
force, do not turn the TRAC/VSC/Trailer Sway Control systems off unless
necessary.
■ Replacing tires
Make sure that all tires are of the specified size, brand, trea d pattern and
total load capacity. In addition, make sure that the tires are inflated to the
recommended tire inflation pressure level.
The ABS, Multi Terrain ABS, TRAC, VSC and Trailer Sway Control will not
function correctly if different tires are installed on the vehi cle.
Contact your Toyota dealer for further information when replaci ng tires or
wheels.
■ Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspensio n will affect
the driving assist systems, and may cause a system to malfunction.
■ Trailer Sway Control precaution
The Trailer Sway Control system is not able to reduce trailer sway in all situ-
ations.
Depending on many factors such as the conditions of the vehicle, trailer,
road surface and driving environment, the Trailer Sway Control system may
not be effective. Refer to your trailer owner’s manual for info rmation on how
to tow your trailer properly.
■ If trailer sway occurs
Observe the following precautions.
Failing to do so may cause death or serious injury.
● Firmly grip the steering wheel. Steer straight ahead.
Do not try to control trailer sway by turning the steering whee l.
● Begin releasing the accelerator pedal immediately but very grad ually to
reduce speed.
Do not increase speed. Do not apply vehicle brakes.
If you make no extreme correction with the steering or brakes, your vehicle
and trailer should stabilize. ( P. 195)

363
5
Interior features
4RUNNER (U)
5-3. Using the storage features
List of storage features
Auxiliary box (P. 367)
Glove box ( P. 364)
Bottle holders ( P. 369)
Tissue pocket ( P. 368) Cup holders (
P. 365)
Pen holder ( P. 368)
Console box ( P. 364)
Coin holder ( P. 368)
WARNING
●Do not leave glasses, lighters or spray cans in the storage spaces, as this
may cause the following when cabin temperature becomes high:
• Glasses may be deformed by heat or cracked if they come into c ontact
with other stored items.
• Lighters or spray cans may explode. If they come into contact with other
stored items, the lighter may catch fire or the spray can may r elease
gas, causing a fire hazard.
● When driving or when the storage compartments are not in use, k eep the
lids closed. In the event of sudden braking or sudden swerving, an acci-
dent may occur due to an occupant being struck by an open lid o r the
items stored inside.
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3935-4. Other interior features
5
Interior features
4RUNNER (U)
Press and hold the 2 outside but-
tons for 10 seconds until the
HomeLink
® indicator light
changes from continuously lit
(orange) to rapidly flashing
(green).
If you sell your vehicle, be sure to
erase the programs stored in the
HomeLink
® memory.
■ Programs stored in the HomeLink® memory
● The registered codes are not erased even if the 12-volt battery cable is dis-
connected.
● If learning failed when registering a different code to a HomeLink
® button
that already has a code registered to it, the already registere d code is not
erased.
■ Before programming
●Install a new battery in the transmitter.
● The battery side of the transmitter must be pointed away from the Home-
Link
®.
Erasing the entire HomeLink® memory (all three programs)
WARNING
■When programming a garage door or other remote control device
The garage door may operate, so ensure people and objects are out of dan-
ger to prevent potential harm.
■ Conforming to federal safety standards
Do not use the HomeLink
® Compatible Transceiver with any garage door
opener or device that lacks safety stop and reverse features as required by
federal safety standards.
This includes any garage door that cannot detect an obstruction object. A
door or device without these features increases the risk of dea th or serious
injury.
■ When operating or programming HomeLink
®
Never allow a child to operate or play with the HomeLink® buttons.

4126-3. Do-it-yourself maintenance
4RUNNER (U)
Pull the hood lock release lever.
The hood will pop up slightly.
Push the auxiliary catch lever to
the left and lift the hood.
Hood
Release the lock from the inside of the vehicle to open the hood.
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WARNING
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehic le is in motion
and cause an accident, which may result in death or serious inj u r y.

4206-3. Do-it-yourself maintenance
4RUNNER (U)
■Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss o f braking effi-
ciency. Use only newly opened brake fluid.
WARNING
■ When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean
water immediately.
If you still experience discomfort, see a doctor.
NOTICE
■ If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads
wear out or when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, there may be a serious problem.

4236-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
After recharging/reco nnecting the battery
The engine may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
● Unlocking the doors using the smart key system may not be possible imme-
diately after reconnecting the battery. If this happens, use the wireless
remote control or the mechanical key to lock/unlock the doors.
● Start the engine with the engine switch in ACCESSORY mode. The engine
may not start when the engine switch turned from off. However, the engine
will operate normally from the second attempt.
● The engine switch mode is recorded by the vehicle. If the battery is recon-
nected, the vehicle will return the engine switch mode to the s tatus it was in
before the battery was disconnected. Make sure to turn off the engine
before disconnect the battery. Take extra care when connecting the battery
if the engine switch mode prior to discharge is unknown.
If the system will not start even after multiple attempts, contact your Toyota
dealer.
WARNING
■ Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the ri sk of death
or serious injury, take the following precautions while working on or near the
battery:
● Do not cause sparks by touching the battery terminals with tools.
● Do not smoke or light a match near the battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the battery.
● Keep children away from the battery.
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