2021 TOYOTA 4RUNNER Owners Manual (in English)

4576-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
Back-up lights
Open the back door and
remove the cover.
To prevent damage to the vehi-
cle, cover the tip of the screw-
driver with a rag.
Turn the bulb base counter-
clockwise.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3
4

4586-3. Do-it-yourself maintenance
4RUNNER (U)■
License plate lights
Remove the screws and
lens.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3

4596-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replac
ed by
your Toyota dealer.
● Headlight low beams (if equipped)
● Headlight low/high beams (if equipped)
● Fog lights
● Side turn signal lights
● Stop/tail lights
● Rear side marker lights
● High mounted stoplight
● Outer foot lights (if equipped)
■LED light bulbs
The headlight low beams (if equipped), headlight low/high beams (if
equipped), fog lights, side turn signal lights, stop/tail light s, rear side marker
lights, high mounted stoplight and outer foot lights consist of a number of
LEDs. If any LEDs burn out, take your vehicle to your Toyota de aler to have
the light replaced.
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the lens does not indicate a
malfunction. Contact your Toyota dealer for more information in the following
situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the lens.
WARNING
■Replacing light bulbs
● Turn off the lights. Do not attempt to replace the bulb immedia tely after
turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clea n dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Fa ilure to do so
may result in heat damage, fire, or water entering the headligh t unit. This
may damage the headlights or cause condensation to build up on the lens.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.

4606-3. Do-it-yourself maintenance
4RUNNER (U)

461
When trouble arises7
4RUNNER (U)7-1. Essential information
Emergency flashers .......... 462
If your vehicle has to be stopped in an
emergency ...................... 463
If the vehicle is trapped in rising water ..................... 465
7-2. Steps to take in an emergency
If your vehicle needs to be towed .............................. 466
If you think something is wrong .............................. 472
Fuel pump shut off system ............................ 473
If a warning light turns on or a warning buzzer
sounds ............................ 474
If a warning message is displayed......................... 484
If you have a flat tire.......... 489
If the engine will not start ................................. 504
If you cannot operate back door opener ............ 506
If the electronic key does not operate properly
(vehicles with a smart
key system)..................... 507
If the vehicle battery is discharged ...................... 510
If your vehicle overheats ........................ 514
If the vehicle becomes stuck ............................... 517

462
4RUNNER (U)
7-1. Essential information
Press the switch.
All the turn signals will flash.
To turn them off, press the switch
once again.
■Emergency flashers
If the emergency flashers are used for a long time while the en gine is not
operating, the battery may discharge.
Emergency flashers
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.

4637-1. Essential information
7
When trouble arises
4RUNNER (U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase th e effort
required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehi cle in a safe place by the road.
Stop the engine.
If the shift lever cann ot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicl e
speed as much as possible.
Vehicles without a smart key
system: Stop the engine by
turning the engine switch to the
“ACC” position.
Vehicles with a smart key sys-
tem: To stop the engine, press
and hold the engine switch for 2
consecutive seconds or more,
or press it briefly 3 times or
more in succession.
Stop the vehicle in a s afe place by the road.
If your vehicle has to be stopped in an
emergency
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, st op the vehicle using the follow-
ing procedure:
1
2
3
4
3
4
Press and hold for 2 seconds or more
or press briefly 3 times or more
Q
R

4647-1. Essential information
4RUNNER (U)
WARNING
■If the engine has to be tu rned off while driving
● Power assist for the brakes and steering wheel will be lost, ma king the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.
● Vehicles without a smart key system:
Never attempt to remove the key, as doing so will lock the stee ring wheel.