2021 TOYOTA 4RUNNER high beam

2324-3. Operating the lights and wipers
4RUNNER (U)
■Conditions to turn the high beams on/off automatically
●When all of the following conditions are met, the high beams will be turned
on automatically (after approximately 1 second):
• The vehicle speed is approximately 21 mph (34 km/h) or more.
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.
● If any of the following conditions is met, the high beams will turn off automat-
ically:
• The vehicle speed is below approximately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have their headlights or tail lights turned on.
• There are many streetlights on the road ahead.
■ Camera sensor detection information
●The high beams may not be automatically turned off in the follo wing situa-
tions:
• When a vehicle suddenly appears from around a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead cannot be detected due to repeated curves, road dividers or roadside trees
• When vehicles ahead appear in a faraway lane on a wide road
• When the lights of vehicles ahead are not on
● The high beams may be turned off if a vehicle ahead that is usi ng fog lights
without its headlights turned on is detected.
● House lights, street lights, traffic signals, and illuminated billboards or signs
and other reflective objects may cause the high beams to change to the low
beams, or the low beams to remain on.
● The following factors may affect the amount of time taken for t he high
beams to turn on or off:
• The brightness of the headlights, fog lights, and tail lights of vehicles
ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights on one side
• When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the r oad surface,
etc.)
• The number of passengers and amount of luggage in the vehicle
● The high beams may turn on or off unexpectedly.
● Bicycles or similar vehicles may not be detected.
● In the following situations the system may not be able to correctly detect the
surrounding brightness level. This may cause the low beams to r emain on
or the high beams to flash or dazzle pedestrians or vehicles ah ead. In such
a case, it is necessary to manually switch between the high and low beams.

2334-3. Operating the lights and wipers
4
Driving
4RUNNER (U)• When driving in inclement weather (heavy rain, snow, fog, sand
storms,
etc.)
• When the windshield is obscured by fog, mist, ice, dirt, etc.
• When the windshield is cracked or damaged
• When the camera sensor is deformed or dirty
• When the temperature of the camera sensor is extremely high
• When the surrounding brightness level is equal to that of head lights, tail
lights or fog lights
• When headlights or tail lights of vehicles ahead are turned off, dirty, changing color, or not aimed properly
• When the vehicle is hit by water, snow, dust, etc. from a prec eding vehi-
cle
• When driving through an area of intermittently changing brightness and
darkness
• When frequently and repeatedly driving ascending/descending roads, or roads with rough, bumpy or uneven surfaces (such as stone-paved
roads, gravel roads, etc.)
• When frequently and repeatedly taking curves or driving on a w inding
road
• When there is a highly reflective object ahead of the vehicle, such as a sign or mirror
• When the back of a preceding vehicle is highly reflective, suc h as a con-
tainer on a truck
• When the vehicle's headlights are damaged or dirty, or are not aimed
properly
• When the vehicle is listing or titling due to a flat tire, a trailer being towed, etc.
• When the headlights are changed between the high beams and low beams repeatedly in an abnormal manner
• When the driver believes that the high beams may be flashing or dazzling
pedestrians or other drivers
■ Temporarily lowering sensor sensitivity
The sensitivity of the sensor can be temporarily lowered.
Turn the engine switch off while the following conditions are m et.
• The headlight switch is in or .
• The headlight switch lever is in the high beam position.
• Automatic High Beam switch is on.
Turn the engine switch to the “ON” position (vehicles without a smart key
system) or IGNITION ON mode (vehicles with a smart key system).
Within 60 seconds after , repeat pulling the headlight switch l ever to the
original position then pushing it to the high beam position qui ckly 10 times,
then leave the lever in the high beam position.
If the sensitivity is changed, the Automatic High Beam indicato r will turn on
and off 3 times.
Automatic High Beam (headlights) may turn on even when the vehicle is
stopped.
1
2
32
4

245
4
Driving
4RUNNER (U)
4-5. Using the driving support systems
◆PCS (Pre-Collision System)
P. 2 5 4
◆LDA (Lane Departure Alert)
P. 2 6 4
◆Automatic High Beam
P. 2 3 0
◆Dynamic radar cruise control
 P. 2 7 2
Toyota Safety Sense P
The Toyota Safety Sense P consists of the following drive assis t
systems and contributes to a safe and comfortable driving expe-
rience:
Driving assist system
WARNING
■ Toyota Safety Sense P
The Toyota Safety Sense P is designed to operate under the assu mption
that the driver will drive safely, and is designed to help redu ce the impact to
the occupants and the vehicle in the case of a collision or ass ist the driver in
normal driving conditions.
As there is a limit to the degree of recognition accuracy and control perfor-
mance that this system can provide, do not overly rely on this system. The
driver is always responsible for paying attention to the vehicl e's surround-
ings and driving safely.

4506-3. Do-it-yourself maintenance
4RUNNER (U)■
Front
■Rear
Bulb locations
Headlight high beam (if
equipped)/daytime running
light
Front turn signal/parking
light
Front side marker light1
2
3
Rear turn signal light
Back-up light
License plate light1
2
3

4516-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
Headlight high beam (if equi
pped)/daytime running lights
Turn the bulb base counter-
clockwise.
Pull the bulb out while press-
ing the lock release of the
connector.
Replace the light bulb, and
install the bulb base.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn and secure the bulb
base.
Shake the bulb base gently to
check that it is not loose, turn
the headlights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
Replacing light bulbs
1
2
3
4

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.

4877-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)■
If “Auto power off to co nserve battery” is shown
Power was turned off due to the automatic power off function.
Next time when starting the engine, increase the engine speed s lightly and
maintain that level for approximately 5 minutes to recharge the battery.
■ When a message that indicates the need for the shift lever oper ation is
shown
To prevent the shift lever from being operated incorrectly or t he vehicle from
moving unexpectedly, a message that requires shifting the shift lever may be
shown on the multi-information display. In that case, follow th e instruction of
the message and shift the shift lever.
■ When “Headlight System Malfuncti on Visit Your Dealer” is displayed on
the multi-information display
The following system may be malfunctioning. Have the vehicle in spected by
your Toyota dealer.
● Automatic High Beam
■ If a message that indicates the malfunction of front camera is displayed
The following systems may be suspended until the problem shown in the
message is resolved. ( P. 251, 484)
● PCS (Pre-Collision System)
● LDA (Lane Departure Alert)
● Dynamic radar cruise control
● Automatic High Beam
■ If a following message is shown, take appropriate action and co nfirm
that the message has disappeared.
*
● “Crawl Not Available Select L4 and Shift to [D] or [R] Position ”
● “Crawl Not Available Check System Operation Conditions”
*: Refer to the “Off-road Driving Owner’s Manual”.
■ If “Oil Maintenance Required Soon” is displayed (U.S.A. only)
Indicates that all maintenance according to the driven distance on the mainte-
nance schedule* should be performed soon.
Comes on approximately 4500 miles (7200 km) after the message has been
reset.
If necessary, perform maintenance. Please reset the message aft er the main-
tenance is performed. ( P. 399)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.

5298-1. Specifications
8
Vehicle specifications
4RUNNER (U)
Light bulbs
Light bulbsBulb No.WTy p e
Exterior
Headlight high beam (if
equipped) /daytime running
lights
900560A
Front turn signal and parking
lights7444NA28/8C
Front side marker lights5B
Rear turn signal lights21C
Back-up lights16B
License plate lights5B
Interior
Front personal/ front interior
lights5B
Rear interior light8D
Vanity lights8B
Door courtesy lights1685B
Luggage compartment lights8D
A: HB3 halogen bulbs
B: Wedge base bulbs (clear)C: Wedge base bulbs (amber)
D: Double end bulbs