high beam TOYOTA PRIUS PRIME 2023 Owners Manual

3TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
10
Back door ......................191
Smart key system ......... 203
4-3. Adjusting the seats Front seats .................... 209
Rear seats..................... 210
Head restraints.............. 212
4-4. Adjusting the steering wheel and mirrors
Steering wheel .............. 215
Inside rear view mirror .. 216
Digital Rear-view Mirror 217
Outside rear view mirrors .................................... 225
4-5. Opening, closing the win- dows
Power windows ............. 227
4-6. Favorite settings Driving position memory 230
My Settings ................... 234
5-1. Before driving Driving the vehicle......... 239
Cargo and luggage ....... 246
Vehicle load limits ......... 249
Trailer towing ................ 250
Dinghy towing ............... 250
5-2. Driving procedures Power (ignition) switch .. 251
Transmission................. 256
Turn signal lever ........... 262
Parking brake ................ 263
Brake Hold .................... 2665-3. Operating the lights and
wipers
Headlight switch ............ 269
AHB (Automatic High Beam) .................................... 272
Windshield wipers and washer ......................... 275
5-4. Refueling Opening the fuel tank cap.................................... 279
5-5. Using the driving support systems
Toyota Safety Sense 3.0/Traffic Jam Assist soft-
ware update................. 282
Toyota Safety Sense 3.0 284
Driver monitor ................ 292
PCS (Pre-Collision System) .................................... 293
LTA (Lane Tracing Assist) .................................... 305
LCA (Lane Change Assist) .................................... 310
LDA (Lane Departure Alert) .................................... 313
PDA (Proactive driving assist) .......................... 320
FCTA (Front Cross Traffic Alert) ............................ 326
RSA (Road Sign Assist) 329
Dynamic radar cruise control .................................... 331
Cruise control ................ 342
Emerge

ncy Driving Stop
System ........................ 345
Traffic Jam Assist .......... 348
BSM (Blind Spot Monitor) .................................... 354
5Driving

21Pictorial index
■Switches
Driving position memory switches*1................................P.231
Automatic High Beam switch ...........................................P.272
Windshield de-icer switch
*1..............................................P.440
Heated steering wheel switch
*1........................................P.443
Advanced Park (parking assist system) main switch
*1..P.401
Camera switch
*1, 2
“ODO TRIP” switch ............................................................P.160
Instrument panel light control switches ..........................P.160
Power outlet .......................................................................P.468
Power back door switch
*1.................................................P.195
Fuel filler door opener switch ...........................................P.280
Outside rear view mirror switches ...................................P.225
Door lock switches ............................................................P.187
Power window switches ................................. ...................P.227
A
B
C
D
E
F
G
H
I
J
K
L
M
N

1523-1. Instrument cluster
*3: Intuitive parking assist OFF indi-cator turns on when the power
switch is turned to ON while the
Intuitive parking assist function is
on. It will turn off after a few sec-
onds.
The indicators inform the driver
of the operating state of the
vehicle’s various systems.
WARNING
■If a safety system warning
light does not come on
Should a safety system light such
as the ABS and SRS warning light
not come on when you start the
hybrid system, this could mean
that these systems are not avail-
able to help protect you in an acci-
dent, which could result in death
or serious injury. Have the vehicle
inspected by your Toyota dealer
immediately if this occurs.
Indicators
Turn signal indicator
(  P.262)
(U.S.A.)
Headlight indicator
( P.269)
(Canada)
Tail light indicator
( P.269)
Headlight high beam indi-
cator ( P.271)
AHB indicator ( P.272)
Smart key system indica-
tor
*1 (  P.251)
(White)
LTA indicator ( P.309)
(Green)
LTA indicator ( P.309)
(Yellow)
(Flashes)LTA indicator ( P.309)
(White)
LDA indicator*10 ( P.317)
(Green)
LDA indicator ( P.317)
(Yellow)
(Flashes)LDA indicator ( P.317)

237
5
5
Driving
Driving
5-1. Before drivingDriving the vehicle....... 239
Cargo and luggage ..... 246
Vehicle load limits ....... 249
Trailer towing .............. 250
Dinghy towing ............. 250
5-2. Driving procedures Power (ignition) switch 251
Transmission............... 256
Turn signal lever ......... 262
Parking brake .............. 263
Brake Hold .................. 266
5-3. Operating the lights and wipers
Headlight switch .......... 269
AHB (Automatic High Beam)........................ 272
Windshield wipers and washer....................... 275
5-4. Refueling Opening the fuel tank cap.................................. 279
5-5. Using the driving support systems
Toyota Safety Sense 3.0/Traffic Jam Assist soft-
ware update .............. 282
Toyota Safety Sense 3.0 .................................. 284
Driver monitor ............. 292PCS (Pre-Collision System)
.................................. 293
LTA (Lane Tracing Assist) .................................. 305
LCA (Lane Change Assist) .................................. 310
LDA (Lane Departure Alert) .................................. 313
PDA (Proactive driving assist) ........................ 320
FCTA (Front Cross Traffic Alert) .......................... 326
RSA (Road Sign Assist) .................................. 329
Dynamic radar cruise con- trol ............................. 331
Cruise control .............. 342
Emergency Driving Stop System ...................... 345
Traffic Jam Assist ........ 348
BSM (Blind Spot Monitor) .................................. 354
Safe Exit Assist ........... 359
Intuitive parking assist . 363
RCTA (Rear Cross Traffic Alert) function ............ 373
RCD (Rear Camera Detec- tion) function .............. 378
PKSB (Parking Support Brake) ........................ 382

2715-3. Operating the lights and wipers
5
Driving
■Automatic light off system
●When the headlights are on: The
lights turn off 30 seconds after the
power switch is turned to OFF and
a door is opened and closed. (The
lights turn off immediately if
on the key is pressed after all the
doors are closed.)
●When only the tail lights are on:
The tail lights turn off automati-
cally if the power switch is turned
to OFF and the driver’s door is
opened.
To turn the lights on again, turn the
power switch to ON, or turn the light
switch to the , or posi-
tion once and then back to the
or position.
■Light reminder buzzer
A buzzer sounds when the driver’s
door is opened while the lights are
turned on with the power switch in
OFF (except when the automatic
light off system is operated).
■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 following are per-
formed, the 12-volt battery-saving
function is canceled once and then
reactivated. All the lights will turn off
automatically 20 minutes after the
12-volt battery-saving function has
been reactivated:
●When the headlight switch is oper-
ated
●When a door is opened or closed
■Windshield wiper linked head-
light illumination (if equipped)
When driving during daytime with
the headlight switch is in the
position, if the windshield wipers are
used, the headlights will turn on
automatically after several seconds
to help enhance the visibility of your
vehicle.
■If “Headlight System Malfunc-
tion Visit Your Dealer” is dis-
played on the mu lti-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.618)
1 With the headlights on, push
the lever away from you to
turn on the high beams.
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

2725-3. Operating the lights and wipers
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.
1Press the Automatic High
Beam switch.
AHB (Automatic High
Beam)
The Automatic High Beam
uses a front camera located
on the upper portion of the
windshield to detect the
brightness of the lights of
vehicles ahead, street-
lights, etc., and automati-
cally changes the head
lights between the high
beams and low beams.
WARNING
■For safe use
Do not overly rely on the Auto-
matic High Beam. Always drive
safely, taking care to observe
your surroundings and turning the
high beams on or off manually if
necessary.
■To prevent unintentional
operation of the Automatic
High Beam system
●When it is necessary to disable
the system: P.284
Using the Automatic High
Beam system

2735-3. Operating the lights and wipers
5
Driving
2Turn the headlight switch to
the or position.
When the headlight switch lever is
in the low beam position, the AHB
system will be enabled and the
AHB indicator will illuminate.
■Automatic operating condi-
tions of the high beams
●When all of the following condi-
tions are met, the high beams will
illuminate automatically:
• The vehicle speed is approxi-
mately 21 mph (34 km/h) or more.
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with lights on.
• There are few streetlights or other
lights on the road ahead.
●If any of the following conditions
are met, the headlights will
change to the low beams:
• Vehicle speed drops below
approximately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• There is a vehicle ahead with lights on.
• There are many streetlights or
other lights on the road ahead.
■Front camera detection
●In the following situations, the high
beams may not be automatically
changed to the low beams:
• When a vehicle cuts in front of your vehicle
• When another vehicle crosses in front of the vehicle • When vehicles ahead are repeat-
edly detected and then hidden
due to repeated curves, road
dividers or roadside trees
• When a vehicle ahead approaches from a far lane
• When a vehicle ahead is far away
• When a vehicle ahead has no lights
• When the lights of a vehicle ahead are dim
• When a vehicle ahead is reflecting
strong light, such as own head-
lights
• Situations in which the sensors
may not operate properly: P.289
●The headlights may change to the
low beams if a vehicle ahead that
is using fog lights without its head-
lights turned on is detected.
●House lights, street lights, traffic
signals, and illuminated billboards
or signs may cause the high
beams to change to the low
beams, or the low beams to
remain on.
●The following may change the tim-
ing at which the headlights
change to the low beams:
• The brightness of lights of vehi-
cles ahead
• The movement and direction of vehicles ahead
• The distance between the vehicle and a vehicle ahead
• When a vehicle ahead only has
lights illuminate d on one side
• When a vehicle ahead is a two- wheeled vehicle
• The condition of the road (gradi- ent, curve, condition of the road
surface, etc.)
• The number of passengers and amount of luggage
●The headlights may change
between the high beams and low
beams unexpectedly.
●Bicycles and other small vehicles
may not be detected.
●In the following situations, the sys-
tem may not be able to correctly
detect the brightness of the sur-

2745-3. Operating the lights and wipers
roundings. This may cause the
low beams to remain on or the
high beams to flash or dazzle
pedestrians or vehicles ahead. In
such a case, it is necessary to
manually change between the
high beams and low beams.
• When there are lights similar to headlights or tail lights in the sur-
rounding area
• When headlights or tail lights of vehicles ahead are turned off,
dirty, changing color, or not aimed
properly
• When the headlights are repeat-
edly changing between the high
beams and low beams.
• When use of the high beams is
inappropriate or when the high
beams may be flashing or daz-
zling pedestrians or other drivers.
• When the vehicle is used in an area in which vehicles travel on
the opposite side of the road of
the country for which the vehicle
was designed, for example using
a vehicle designed for right-hand
traffic in a left-hand traffic area, or
vice versa
• When it is necessary to disable
the system:  P.284
• Situations in which the sensors may not operate properly: P.289
■Temporarily reducing front
camera sensitivity
The sensitivity of the front camera
can be temporarily reduced.
1 Turn the power switch off with
the following conditions met.
●The headlight swit ch is in the
or position.
●The headlight switch lever is in the
low beam position.
●The automatic High Beam switch
is on.
2 Turn the power switch to ON.
3 Within 60 seconds after perform-
ing step 2, push the headlight
switch lever to the high beam
position then pull it to the original position quickly 10 times, then
leave the lever in its original
position.
4 If the sensitivity is changed, the
Automatic High Beam indicator
will blink 3 times.
■Changing to the high
beams
Push the lever forward.
The AHB indicator will turn off and
the headlight high beam indicator
will turn on.
Pull the lever to its original position
to enable the Automatic High Beam
system again.
■Changing to the low beams
Press the Automatic High Beam
switch.
The AHB indicator will turn off.
Press the switch to enable the
Automatic High Beam system
again.
Turning the high beams
on/off manually

2755-3. Operating the lights and wipers
5
Driving
It is recommended to switch to
the low beams when use of the
high beams is inappropriate or
when the high beams may
cause problems or distress to
other drivers or pedestrians
nearby.
Pull the lever rearward and then
return it to its original position.
The high beams will illuminate
while the lever is pulled, however,
after the lever is returned to its orig-
inal position, the low beams will
remain on for a certain amount of
time. After this, the Automatic High
Beam system will operate.
Operating the lever oper-
ates the wipers or washer as fol-
lows:
1
*1 or *2
Off
2
Rain-sensing operation
3
*1 or *2
Low speed operation
4
*1 or *2
High speed operation
Temporarily changing to
the low beams
Windshield wipers and
washer
Operating the lever can use
the windshield wipers or the
washer.
NOTICE
■When the windshield is dry
Do not use the wipers, as they
may damage the windshield.
Operating the wiper lever

2855-5. Using the driving support systems
5
Driving
■AHB (Automatic High
Beam)
 P.272
■PCS (Pre-Collision System)
 P.293
■LTA (Lane Tracing Assist)
 P.305
■LDA (Lane Departure Alert)
 P.313
■LCA (Lane Change Assist)*
P.310
■FCTA (Front Cross Traffic
Alert)
*
P.326
■PDA (Proactive Driving
Assist)
 P.320
■RSA (Road Sign Assist)*
P.329
■Dynamic radar cruise con-
trol
 P.331
■Cruise control
 P.342
■Emergency Driving Stop
System
 P.345
■Traffic Jam Assist*
P.348
■Driver monitor*
P.292
*: If equipped
Various sensors are used to
obtain the necessary informa-
tion for system operation.
WARNING
●When using an automatic car
wash
●When a sensor is misaligned or
deformed due to a strong
impact being applied to the sen-
sor or the area around the sen-
sor
●When accessories which
obstruct a sensor or light are
temporarily installed to the vehi-
cle
●When a compact spare tire or
tire chains are installed to the
vehicle or an emergency tire
puncture repair kit has been
used
●When the tires are excessively
worn or the inflation pressure of
the tires is low
●When tires other than the manu-
facturer specified size are
installed
●When the vehicle cannot be
driven stably, due to a collision,
malfunction, etc.
Driving assist system
Sensors used by Toyota
Safety Sense 3.0