2018 TOYOTA PRIUS display

PRIUS_OM_OM47B89U_(U)
2974-5. Using the driving support systems
4
Driving
Press the LDA switch to turn the
LDA system on.
The LDA indicator illuminates and
a message is displayed on the
multi-information display.
Press the LDA switch again to turn
the LDA system off.
When the LDA system is turned on
or off, operation of the LDA system
continues in the same condition
the next time the hybrid system is
started.
WARNING
■Preventing LDA system malfunctio ns and operations performed by
mistake
● Do not modify the headlights or place stickers, etc., on the surface of the
lights.
● Do not modify the suspension etc. If the suspension etc. needs to be
replaced, contact your Toyota dealer.
● Do not install or place anything on the hood or grille. Also, do not install a
grille guard (bull bars, kangaroo bar, etc.).
● If your windshield needs repairs, contact your Toyota dealer.
Turning LDA system on

298
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
LDA indicator
Illuminates when the LDA system
is on.
Steering control indicator and
operation display of steering
wheel operation support
When that steering wheel assis-
tance of the steering control func-
tion is operating, the indicator
illuminates and the operation dis-
play on the multi-information dis-
play is turned on.
Lane departure alert function
display
Displayed when the multi-information display is switched to the
screen. (→P. 138)
Indications on combination meter
1
2
3
Inside of displayed white lines
is whiteInside of displayed white lines
is black
Indicates that the system is recog-
nizing white (yellow) lines. When
the vehicle departs from its lane,
the white line displayed on the
side the vehicle departs from
flashes orange. Indicates that t
he system is not
able to recognize white (yellow)
lines or is temporarily canceled.

PRIUS_OM_OM47B89U_(U)
2994-5. Using the driving support systems
4
Driving
■Operation conditions of each function
●Lane departure alert function
This function operates when all of the following conditions are met.
• LDA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius
of more than approximately 492 ft. (150 m).
• No system malfunctions are detected. ( →P. 302)
● Steering control 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 in the screen of the multi-information display is
set to “On”. ( →P. 139)
• 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, TRAC and PCS are not operating.
• TRAC or VSC is not turned off.
● Vehicle sway warning function
This function operates when all of the following conditions are met.
• Setting for in the screen of the multi-information display is
set to “On”. ( →P. 139)
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. ( →P. 302)

300
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
■Temporary cancellation of functions
When operation conditions are no longer met, a function may be temporarily\
canceled. However, when the operation conditions are met again, operation
of the function is automatically restored. (→P. 299)
■ Steering control function
Depending on the vehicle speed, lane departure situation, road conditions,
etc., the driver may not feel the function is operating or the function may not
operate at all.
■ Lane departure alert function
The warning buzzer may be difficult to hear due to external noise, audio play-
back, etc.
■ Hands off steering wheel alert
When the system determines that the driver has removed the hands from the
steering wheel while the steering control function is operating, a warning
message is displayed on the multi-information display.
If the driver continues to keep the hands off of the steering wheel, a buzzer
sounds and a warning message is displayed. This alert also operates in the
same way when the driver continuously operates the steering wheel only a
small amount. However, depending on the road conditions, etc., the function
may not cancel.
■ White (yellow) lines are only on one side of road
The LDA system will not operate for the side on which white (yellow) lines
could not be recognized.

302
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
■Warning message
If the following warning message is displayed on the multi-information dis-
play, follow the appropriate troubleshooting procedure.
If a different warning message is displayed, follow the instructions displayed
on the screen.
Warning messageDetails/Actions
“Lane Departure
Alert
Malfunction
Visit Your Dealer”The system may not be operating
properly.
→ Have the vehicle inspected at your
Toyota dealer.
“Forward Camera
System
Unavailable
Clean Windshield”
Dirt, rain, condensation, ice, snow,
etc., are present on the windshield in
front of the camera sensor.
→ Turn the LDA system off, remove
any dirt, rain, condensation, ice,
snow, etc., from the windshield, and
then turn the LDA system back on.
“Forward Camera
System
Unavailable”
The operation conditions of the cam-
era sensor (temperature, etc.) are not
met.
→ When the operation conditions of
the camera sensor (temperature,
etc.) are met, the LDA system will
become available. Turn the LDA
system off, wait for a little while,
and then turn the LDA system back
on.
“Lane Departure Alert Unavail-
able”
The LDA system is temporarily can-
celed due to a malfunction in a sensor
other than the camera sensor.
→Turn the LDA system off and follow
the appropriate troubleshooting
procedures for the warning mes-
sage. Afterward, drive the vehicle
for a short time, and then turn the
LDA system back on.
“Lane Departure Alert
System is Unavailable
Below Approx.32 MPH.”The LDA system cannot be used as
the vehicle speed is less than approxi-
mately 32 mph (50 km/h).
→ Drive the vehicle at approximately
32 mph (50 km/h) or more.

PRIUS_OM_OM47B89U_(U)
3034-5. Using the driving support systems
4
Driving
■Other indicators
If the following indicators are displayed on the multi-information display, fol-
low the appropriate procedure.
■ Customization
The following settings can be changed.
For how to change settings, refer to P. 139.
IndicatorDetails/Actions
Indicates that the LDA system has determined that the
driver does not have the ha nds on the steering wheel
while the steering control function is on
A buzzer also sounds.
→ Firmly hold the steering wheel.
Indicates that the LDA system has determined that the
vehicle is swaying
→Immediately take a break if you feel tired while driving.
FunctionSetting details
Lane departure alert functionAdjust alert sensitivity
Steering control functionTurn steering wheel assistance on and off
Vehicle sway warning functionTurn function on and off
Adjust alert sensitivity

304
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
Dynamic radar cruise control with full-speed
range
∗
In vehicle-to-vehicle distance co ntrol mode, the vehicle automatically
accelerates, decelerates and stops to match the speed changes of the
preceding vehicle even if the acce lerator pedal is not depressed. In
constant speed control mode, t he vehicle runs at a fixed speed.
Use the dynamic radar cruise control with full-speed range on free-
ways and highways.
● Vehicle-to-vehicle distance control mode ( →P. 307)
● Constant speed control mode ( →P. 314)
Vehicle-to-vehicle distance
switch
Indicators
Display
Set speed
Cruise control switch
∗: If equipped
Summary of functions
1
2
3
4
5

PRIUS_OM_OM47B89U_(U)
3094-5. Using the driving support systems
4
Driving
Press the “ON-OFF” button to
activate the cruise control.
Radar cruise control indicator will
come on and a message will be
displayed on the multi-information
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. 314)
Accelerate or decelerate, with
accelerator pedal operation, to
the desired vehicle speed (at or
above approximately 30 mph
[50 km/h]) 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.
If the lever is operated while the
vehicle speed is below approxi-
mately 30 mph (50 km/h) and a
preceding vehicle is present, the
set speed will be adjusted to
approximately 30 mph (50 km/h).
Setting the vehicle speed (vehicle-to-vehicle distance control
mode)
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2