2021 TOYOTA RAV4 PRIME sensor

2975-3. Operating the lights and wipers
5
Driving
after several seconds to help
enhance the visibility of your vehi-
cle.
■12-volt battery-saving function
In order to prevent the 12-volt bat-
tery of the vehicle from discharging,
if the headlights and/or tail lights are
on when the power switch is turned
to OFF, the battery saving function
will operate and aut omatically turn
off all the lights after approximately
20 minutes.
When any of the fo llowing are per-
formed, the 12-volt battery-saving
function is canceled once and then
reactivated. All the lights will turn off
automatically 20 mi nutes after the
12-volt battery-saving function has
been reactivated:
●When the headlight switch is oper-
ated
●When a door is opened or closed
■If “Headlight System Malfunc-
tion Visit Your D ealer” is dis-
played on the multi-information
display
The system may be malfunctioning.
Have the vehicle inspected by your
Toyota dealer.
■Customization
Settings (e.g. light sensor sensitiv-
ity) can be changed.
(Customizable features: P.577)
1 With the headlights on, push
the lever away from you to
turn on the high beams.
Pull the lever toward you to the
center position to turn the high
beams off.
2Pull the lever toward you and
release it to flash the high
beams once.
You can flash the high beams with
the headlights on or off.
AFS (Adaptive Front-lighting
System) secures excellent visi-
bility at intersections and on
curves by automatically adjust-
ing the direction of the light axis
of the headlights according to
vehicle speed and the degree of
the tire’s angle as controlled by
steering input.
AFS operates at speeds of
approximately 6 mph (10 km/h)
or higher.
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the lights on longer
than necessary when the hybrid
system is not operating.
Turning on the high beam
headlights
AFS (Adaptive Front-light-
ing System) (if equipped)

3005-3. Operating the lights and wipers
Have the vehicle inspected by your
Toyota dealer.
■Temporarily lowering sensor
sensitivity
The sensitivity of the sensor can be
temporarily lowered.
1 Turn the power switch off while
the following cond itions are met.
●The headlight switch is in or
position.
●The headlight switch lever is in
high beam position.
●Automatic High Beam switch is
on.
2 Turn the power switch to ON.
3 Within 60 seconds after step 2,
repeat pulling the headlight
switch lever to the original posi-
tion then pushing it to the high
beam position qu ickly 10 times,
then leave the lever in the origi-
nal position.
4 If the sensitivity is changed, the
Automatic High Beam indicator
is turn on and off 3 times.
Automatic High Beam (headlights)
may turn on even w hen the vehicle
is stopped.
■Switching to the high
beams
Push the lever away from you.
The Automatic High Beam indicator
will turn off and the headlight high
beam indicator will turn on.
Pull the lever to its original position
to activate the Automatic High
Beam system again.
■Switching to the low beams
Press the Automatic High Beam
switch.
The Automatic High Beam indicator
will turn off.
Press the switch to activate the
Automatic High Beam system
again.
■Temporarily switching to
the low beams
Pull the lever toward you and
then return it to its original posi-
tion.
The high beams are on while the
lever is pulled toward you, how-
ever, after the lever is returned to
its original posit ion, the low beams
remain on for a certain amount of
time. Afterwards, the Automatic
High Beam will be a ctivated again.
Turning the high beams
on/off manually

3025-3. Operating the lights and wipers
4*1 or *2 High speed
operation
5
*1 or *2 Temporary
operation
*1: For the U.S.A.
*2: For Canada
If equipped, wiper intervals can
be adjusted when intermittent
operation is selected.
6 Increases the intermittent
windshield wiper frequency
7 Decreases the intermittent
windshield wiper frequency
8 Washer/wiper dual
operation
Pulling the lever o perates the wip-
ers and washer.
The wipers will au tomatically oper-
ate a couple of times after the
washer squirts.
Rain-sensing windshield wip-
ers
1
*1 or *2 Off
2 Rain-sensing opera-
tion
3
*1 or *2 Low speed
operation
4
*1 or *2 High speed
operation
5
*1 or *2 Temporary
operation
*1: For the U.S.A.
*2: For Canada
When “AUTO” is selected, the wip-
ers will operate automatically when
the sensor detects falling rain. The
system automatically adjusts wiper
timing in accordance with rain vol-
ume and vehicle speed.
The sensor sensitivity can be
adjusted when “AUTO” is
selected.

3035-3. Operating the lights and wipers
5
Driving
6Increases the sensitivity
7 Decreases the sensitivity
8 Washer/wiper dual
operation
Pulling the lever o perates the wip-
ers and washer.
The wipers will au tomatically oper-
ate a couple of times after the
washer squirts.
■The windshield wipers and
washer can be operated when
The power swit ch is in ON.
■Effects of vehicle speed on
wiper operation
Vehicles with in termittent wind-
shield wipers
With low speed windshield wiper
operation selected, wiper operation
will be switched from low speed to
intermittent wiper operation when
the vehicle is stationary. (However,
when the wiper intervals are
adjusted to highest level, the mode will not switch.)
Vehicles with ra
in-sensing wind-
shield wipers
With low speed windshield wiper
operation selected, wiper operation
will be switched fro m low speed to
intermittent wiper operation when
the vehicle is stationary. (However,
when the sensor sensitivity is
adjusted to the highest level, the
mode will not switch.)
■Raindrop sensor (vehicles with
rain-sensing windshield wipers)
●The raindrop sensor judges the
amount of raindrops. An optical
sensor is adopt ed. It may not
operate properly when sunlight
from the rising or setting of the
sun intermittently strikes the wind-
shield, or if bugs, etc. are p resent
on the windshield.
●If the wiper switch i s turned to the
“AUTO” position while the power
switch is in ON, the wipers will
operate once to show that “AUTO”
mode is activated.
●If the wiper sensitivity is adjusted
to higher, the wiper may operate
once to indicate the change of
sensitivity.
●If the temperature of the raindrop
sensor is 185°F (85°C) or higher,
or 5°F (-15°C) or lower, the auto-
matic operation ma y not occur. In
this case, operate the wipers in
any mode other than “AUTO”.
■If no windshield washer fluid
sprays
Check that the washer nozzles are

3045-3. Operating the lights and wipers
not blocked if there is washer fluid in
the windshield washer fluid reser-
voir.
Operating the switch
operates the rear wiper as fol-
lows:
1
*1 or *2 Off
2
*1 or *2 Intermittent
operation
3
*1 or *2 Normal oper-
ation
*1: For the U.S.A.
*2: For Canada
WARNING
■Caution regarding the use of
windshield wipers in “AUTO”
mode (vehicles with rain-
sensing windshi eld wipers)
The windshield wipers may oper-
ate unexpectedly if the sensor is
touched or the windshield is sub-
ject to vibration in “AUTO” mode.
Take care that y our fingers or
anything else does not become
caught in the windshield wipers.
■Caution regarding the use of
washer fluid
When it is cold, do not use the
washer fluid until the windshield
becomes warm. The fluid may
freeze on the windshield and
cause low visibility. This may lead
to an accident, resulting in death
or serious injury.
NOTICE
■When the washer fluid tank is
empty
Do not operate the switch continu-
ally as the washer fluid pump may
overheat.
■When a nozzle becomes
blocked
In this case, conta ct your Toyota
dealer.
Do not try to clear it with a pin or
other obje ct. The nozzle will be
damaged.
■To prevent 12-volt battery dis-
charge
Do not leave the wipers on longer
than necessary when the hybrid
system is off.
Rear window wiper
and washer
The rear window wiper and
washer can be used by
operating the lever.
NOTICE
■When the rear window is dry
Do not use the wiper, as it may
damage the rear window.
Operating the wiper lever

3095-5. Using the driving support systems
5
Driving
5-5.Using the driving support systems
■PCS (Pre-Collision System)
 P.315
■LTA (Lane Tracing Assist)
 P.323
■AHB (Automatic High
Beam)
 P.298
■RSA (Road Sign Assist) (if
equipped)
 P.333
■Dynamic radar cruise con-
trol with full-speed range
 P.336 Two types of sensors, located
behind the front grille and wind-
shield, detect information neces-
sary to operate the drive assist
systems.
Radar sensor
Front camera
Toyota Safety Sense
2.0
The Toyota Safety Sense
2.0 consists of the following
drive assist systems and
contributes to a safe and
comfortable driving experi-
ence:
Driving assist system
WARNING
■Toyota Safety Sense 2.0
The Toyota Safety Sense 2.0 is
designed to operate under the
assumption that the driver will
drive safely, and is designed to
help reduce the impact to the
occupants and the vehicle in the
case of a collision or assist the
driver in normal driving condi-
tions.
As there is a limit to the degree of
recognition accuracy and control
performance that this system can
provide, do not overly rely on this
system. The driver is always
responsible for paying attention to
the vehicle’s su rroundings and
driving safely.
Sensors
A
B

3105-5. Using the driving support systems
WARNING
■To avoid malfunction of the
radar sensor
Observe the following precau-
tions.
Otherwise, the radar sensor may
not operate properly, possibly
leading to an accident resulting in
death or serious injury.
●Keep the radar sensor and the
radar sensor cover clean at all
times.
Radar sensor
Radar sensor cover
If the front of the r adar sensor or
the front or back of the radar sen-
sor cover is dirty or covered with
water droplets, snow, etc., clean
it.
Clean the radar sensor and radar
sensor cover with a soft cloth to
avoid damaging them.
●Do not attach accessories,
stickers (including transparent
stickers) or oth er items to the
radar sensor, radar sensor
cover or surrounding area.
●Do not subject the radar sensor
or its surrounding area to a
strong impact.
If the radar sen sor, front grille,
or front bumper has been sub-
jected to a strong impact, have
the vehicle insp ected by your
Toyota dealer.
A
B
●Do not disassemble the radar
sensor.
●Do not modify or paint the radar
sensor or radar sensor cover.
●In the following cases, the radar
sensor must be recalibrated.
Contact your Toyota dealer for
details.
• When the radar s ensor or front
grille are removed and installed,
or replaced
• When the front bumper is replaced
■To avoid malfunction of the
front camera
Observe the following precau-
tions.
Otherwise, the f ront camera may
not operate properly, possibly
leading to an accident resulting in
death or serious injury.
●Keep the windshield clean at all
times.
• If the windshield is dirty or cov-
ered with an o ily film, water
droplets, snow, etc., clean the
windshield.
• If a glass coating agent is applied to the windshield, it will
still be necessary to use the
windshield wipers to remove
water droplets, etc. from the
area of the windshield in front of
the front camera.
• If the inner side of the wind- shield where the front camera is
installed is dirty, contact your
Toyota dealer.

3135-5. Using the driving support systems
5
Driving
■If a warning message is displayed on the multi-information display
A system may be temporarily unava ilable or there may be a malfunction in
the system.
●In the following situations, perform the actions specified in t he table. When
the normal operating conditions are detected, the message will disappear
and the system will be come operational.
If the message does not disapp ear, contact your Toyota dealer.
SituationActions
When the area around a sensor is
covered with dirt, moisture (fogged
up, covered with condensation, ice,
etc.), or other foreign matterTo clean the part of the windshield in
front of the front c amera, use the
windshield wipers or the windshield
defogger of the air conditioning sys-
tem ( P.398).