2023 TOYOTA PRIUS ECO mode

2764-3. Operating the lights and wipers
PRIUS_OM_OM47F32E_(EE)
■The rear window wiper and washer can be operated when
The power switch is in ON mode.
■ If no washer fluid sprays
Check that the washer nozzle is not blocked if there is washer fluid in the
washer fluid tank.
NOTICE
■ When the rear window is dry
Do not use the wiper, as it may damage the rear window.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
■ To prevent 12-volt battery discharge
Do not leave the wiper on longer than necessary when the hybrid system is
off.

3184-5. Using the driving support systems
PRIUS_OM_OM47F32E_(EE)
■Operation conditions of each function
●Lane departure alert function
This function operates when all of the following conditions are met.
• LTA is turned on.
• Vehicle speed is approximately 50 km/h (32 mph) or more.
*1
• System recognizes white (yellow) lane lines or a course*2. (When a white
[yellow] line or course
*2 is recognized on only one side, the system will
operate only for the recognized side.)
• Width of traffic lane is approximately 3 m (9.8 ft.) or more.
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. (P. 322)
*1: The function operates even if the vehicle speed is less than approxi-
mately 50 km/h (32 mph) when the lane centering function is operating.
*2: Boundary between asphalt and the side of the road, such as grass, soil,
or a curb
●Steering assist function
This function operates when all of the following conditions are met in addi-
tion to the operation conditions for the lane departure alert function.
• Setting for (“LTA Steering Assist Mode”) in of the multi-
information display is set to “On”. (P. 127)
• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for
changing lanes.
• ABS, VSC, TRC and PCS are not operating.
• TRC or VSC is not turned off.
• Hands off steering wheel warning is not displayed. (P. 321)
●Vehicle sway warning function
This function operates when all of the following conditions are met.
• Setting for (“Lane Sway Warning Status”) in of the multi-
information display is set to “On”. (P. 127)
• Vehicle speed is approximately 50 km/h (32 mph) or more.
• Width of traffic lane is approximately 3 m (9.8 ft.) or more.
• No system malfunctions are detected. (P. 322)

3194-5. Using the driving support systems
4
Driving
PRIUS_OM_OM47F32E_(EE)●Lane centering function
This function operates when all of the following conditions are met.
• LTA is turned on.
• Setting for (“LTA Steering Assist Mode”) and (“LTA
Center Trace On/Off”) in of the multi-information display are set to
“On”. (P. 127)
• This function recognizes white (yellow) lane lines or the position of a pre-
ceding vehicle (except when the preceding vehicle is small, such as a
motorcycle).
• The dynamic radar cruise control with full-speed range is operating in
vehicle-to-vehicle distance control mode.
• Width of traffic lane is approximately 3 to 4 m (10 to 13 ft.).
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. (P. 322)
• Vehicle does not accelerate or decelerate by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for
changing lanes.
• ABS, VSC, TRC and PCS are not operating.
• TRC or VSC is not turned off.
• Hands off steering wheel warning is not displayed. (P. 321)
• The vehicle is being driven in the center of a lane.
• Steering assist function is not operating.

3284-5. Using the driving support systems
PRIUS_OM_OM47F32E_(EE)●Stickers are attached to the rear of the preceding vehicle.
●A sign resembling a system compatible sign is recognized.
●Side road speed signs may be detected and displayed (if positioned in sight
of the front camera) while the vehicle is traveling on the main road.
●Roundabout exit road speed signs may be detected and displayed (if posi-
tioned in sight of the front camera) while traveling on a roundabout.
●The front of the vehicle is raised or lowered due to the carried load
●The surrounding brightness is not sufficient or changes suddenly.
●When a sign intended for trucks, etc. is recognized.
●The vehicle is driven in a country with a different direction of traffic.
●The navigation system map data is outdated.
●The navigation system is not operating.
●The speed information displayed on the meter and on the navigation system
may be different due to the navigation system using map data.
■Speed limit sign display
If the power switch was last turned off while a speed limit sign was displayed
on the main display or multi-information display, the same sign displays again
when the power switch is turned to ON mode.
■If “RSA Malfunction Visit Your Dealer” is shown
The system may be malfunctioning. Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■Customization
Some functions can be customized. (Customizable features: P. 670)

3334-5. Using the driving support systems
4
Driving
PRIUS_OM_OM47F32E_(EE)
This mode employs a radar to detect the presence of vehicles up to
approximately 100 m (328 ft.) ahead, determines the current vehicle-
to-vehicle following distance, and operates to maintain a suitable fol-
lowing distance from the vehicle ahead. The desired vehicle-to-vehi-
cle distance can also be set by operating the vehicle-to-vehicle
distance switch.
When driving on downhill slopes, the vehicle-to-vehicle distance may
become shorter.
Driving in vehicle-to-vehicle distance control mode

3354-5. Using the driving support systems
4
Driving
PRIUS_OM_OM47F32E_(EE)
Press the “ON-OFF” button to
activate the cruise control.
Dynamic radar cruise control indi-
cator will come on and a message
will be displayed on the multi-infor-
mation display.
Press the button again to deacti-
vate the cruise control.
If the “ON-OFF” button is pressed
and held for 1.5 seconds or more,
the system turns on in constant
speed control mode. (P. 340)
Accelerate or decelerate, with
accelerator pedal operation, to
the desired vehicle speed (at or
above approximately 30 km/h
[20 mph]) and push the lever
down to set the speed.
Cruise control “SET” indicator will
come on.
The vehicle speed at the moment
the lever is released becomes the
set speed.
Setting the vehicle speed (vehicle-to-vehicle distance control
mode)
1
2

3404-5. Using the driving support systems
PRIUS_OM_OM47F32E_(EE)
When constant speed control mode is selected, your vehicle will main-
tain a set speed without controlling the vehicle-to-vehicle distance.
Select this mode only when vehicle-to-vehicle distance control mode
does not function correctly due to a dirty radar, etc.
With the cruise control off,
press and hold the “ON-OFF”
button for 1.5 seconds or more.
Immediately after the “ON-OFF”
button is pressed, the dynamic
radar cruise control indicator will
come on. Afterwards, it switches to
the cruise control indicator.
Switching to constant speed con-
trol mode is only possible when
operating the lever with the cruise
control off.
Accelerate or decelerate, with
accelerator pedal operation, to
the desired vehicle speed (at or
above approximately 30 km/h
[20 mph]) and push the lever
down to set the speed.
Cruise control “SET” indicator will
come on.
The vehicle speed at the moment
the lever is released becomes the
set speed.
Adjusting the speed setting: P. 336
Canceling and resuming the speed setting: P. 338
Selecting constant speed control mode
1
2

3414-5. Using the driving support systems
4
Driving
PRIUS_OM_OM47F32E_(EE)
When this function is enabled and the system is operating in vehicle-
to-vehicle distance control mode (P. 333), when a speed limit sign is
detected, the recognized speed limit will be displayed with an up/
down arrow. The set speed can be increased/reduced to the recog-
nized speed limit by pushing the lever up or down.
●When the current set speed is
lower than the recognized
speed limit
Push the lever up.
●When the current set speed is
higher than the recognized
speed limit
Push the lever down.
Dynamic Radar Cruise Control with Road Sign Assist can be enabled/
disabled in on the multi-information display. (P. 127)
When the Dynamic Radar Cruise Control with Road Sign Assist is
operating, while driving down a hill, the vehicle speed may exceed the
set speed.
In this case, the displayed set vehicle speed will be highlighted and a
buzzer will sound to alert the driver.
Dynamic Radar Cruise Control with Road Sign Assist (vehicles
with RSA [Road Sign Assist])
Enabling/Disabling the Dynamic Radar Cruise Control with Road
Sign Assist (vehicles with RSA [Road Sign Assist])