TOYOTA PRIUS 2018 (in English) Owner's Guide

29
OVERVIEW FEATURES & OPERATIONS TOYOTA SAFETY SENSE SAFETY & EMERGENCY FEATURES
The Pre-Collision System uses a radar sensor and camera sensor to help detect a
vehicle or pedestrian in front of your vehicle.
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. This system will not
prevent collisions or lessen collision damage or injury in every situation. Do not use
PCS instead of normal braking operations under any circumstances. Do not attempt
to test the operation of the pre-collision system yourself, as the system may not
operate or engage, possibly leading to an accident. In some situations, such as
when driving in inclement weather such as heavy rain, fog, snow or a sandstorm or
while driving on a curve and for a few seconds after driving on a curve, a vehicle
may not be detected by the radar and camera sensors, preventing the system from
operating or engaging properly.
Refer to a Toyota Owner’s Manual for a list of additional situations in which the
system may not operate properly.
Refer to a Toyota Owner’s Manual for additional information on PCS w/PD operation,
settings adjustments, limitations, and precautions before attempting to use it. Pre-Collision Warning
When the system determines that the possibility of a frontal collision is high, a
buzzer will sound and a warning message will be displayed on the Multi-Information
Display (MID) to urge the driver to take evasive action.
Pre-Collision Brake Assist
If the driver notices the hazard and brakes, the system may provide additional
braking force using Brake Assist. This system may prime the brakes and may apply
greater braking force in relation to how strongly the brake pedal is depressed.
Pre-Collision Braking
If the driver does not brake in a set time and the system determines that the
possibility of a frontal collision with a preceding vehicle is extremely high, the
system may automatically apply the brakes, reducing speed in order to help the
driver reduce the impact and in certain cases avoid the collision.
Pre-Collision System with Pedestrian
Detection function (PCS w/PD)

30
CHANGING THE PCS ALERT TIMING
TOYOTA SAFETY SENSE™
Far
Middle
(default)
Near
(1) Press “” switches and select from the Multi-Information Display (MID).
(2) Press “
” switches and select from the MID and then press “”. The
setting screen is displayed.
(3) Press “
” each time to change the setting. Each time it is pressed, the
response to the PCS alert timing changes as shown above. You can press “
” to
go back to the menu.
Note: PCS is enabled each time the engine switch is turned to Ignition On.
The system can be disabled/enabled and the alert timing of the system can be
changed. (Alert timing only, brake operation remains the same).
Monocular camera sensor
Millimeter
wave radar
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alert and then automatic braking if needed.In certain conditions, the PCS system included with the TSS-P package may also
help to detect a pedestrian in front of your vehicle. With Toyota Safety Sense™ P,
PCS uses an in-vehicle camera and front-grill mounted millimeter-wave radar to
help detect a pedestrian in front of your vehicle in certain conditions. The in-vehicle
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the detected pedestrian. However, a pedestrian may not be detected depending
on the conditions, including the surrounding brightness and the motion, posture,
size, and angle of the potential detected pedestrian, preventing the system from
operating or engaging. Refer to a Toyota Owner’s Manual for additional information.
PEDESTRIAN DETECTION FUNCTION

31
OVERVIEW FEATURES & OPERATIONS TOYOTA SAFETY SENSE SAFETY & EMERGENCY FEATURES
DISABLING THE PRE-COLLISION SYSTEM (PCS)
LDA in TSS-P uses an in-vehicle camera designed to detect visible white and yellow
lane markers in front of the vehicle and the vehicle’s position on the road. If the
system determines that the vehicle is starting to unintentionally deviate from its lane,
the system alerts the driver with an audio and visual alert. When the alerts occur, the
driver must check the surrounding road situation and carefully operate the steering
wheel to move the vehicle back to the center part of their lane.
LDA is designed to function at speeds of approximately 32 MPH or higher on
relatively straight roadways.
In addition to the alert function, LDA w/SA also features a steering assist
function. When enabled, if the system determines that the vehicle is on a path to
unintentionally depart from its lane, the system may provide small corrective steering
inputs to the steering wheel for a short period of time to help keep the vehicle in its
lane.
(1) Press “” switches and select from the Multi-Information Display (MID).
(2) Press “
” switches and select the setting function from the MID and then
press “
”. The setting screen is displayed.
(3) Press “
” each time to change the setting. You can press “” to go back to
the menu.
Lane Departure Alert with
Steering Assist function (LDA w/SA)

32
TOYOTA SAFETY SENSE™
TURNING THE LDA SYSTEM ON/OFF
Press the LDA switch to turn the LDA system on. Depress again to turn it off.
Note: Operation of the LDA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
Refer to a Toyota Owner’s Manual for additional information on LDA operation,
settings adjustments, limitations, and precautions before attempting to use it.
FUNCTIONS
LDA function display
Steering control indicatorLDA indicator LDA function display
Lane Marker
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33
OVERVIEW FEATURES & OPERATIONS TOYOTA SAFETY SENSE SAFETY & EMERGENCY FEATURES
The LDA function displays when the Multi-Information Display (MID) is switched
to the driving assist system information screen.
(1) The system displays solid white lines on the LDA indicator when visible lane
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vehicle deviates from its lane.
(2) The system displays outlines on the LDA indicator when lane markers on the road
are not detected or the function is temporarily cancelled.
Note: 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. For example, LDA may not
function on the side(s) where white/yellow lines are not detectable.
Refer to a Toyota Owner’s Manual for additional information on LDA operation,
settings adjustments, limitations, and precautions before attempting to use it.
CHANGING THE LDA ALERT SENSITIVITY
DISABLING THE STEERING ASSIST FUNCTION
The driver can adjust the sensitivity of the LDA (warning) function from the
Multi-Information Display (MID) customization screen.
High - Is designed to warn approximately before the front tire
crosses the lane marker.
Normal - Is designed to warn approximately when the front tire
crosses the lane marker.
(1) Press “
” switches and select from the Multi-Information Display (MID).
(2) Press “
” switches and select the setting function and then press “”.
(3) Press “
” each time to change the setting.
(4) Press “
” to go back to the menu. (1) Press “
” switches and select from the Multi-Information Display (MID).
(2) Press “
” switches and select the setting function and then press “”.
(3) Press “
” each time to change the setting.
(4) Press “
” to go back to the menu.
Note: Operation of the LDA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.

34
TOYOTA SAFETY SENSE™
VEHICLE SWAY WARNING SYSTEM (SWS) FUNCTION
SWS is a function of LDA and is designed to detect swaying based on the vehicle
location in the lane and the driver’s steering wheel operation. To help prevent
swaying, the system alerts the driver using a buzzer sound and a warning displays
in the MID.
Continuous lane deviations from
swaying.
Gentle swaying from driver’s
inattentiveness.
Acute steering wheel operation after the
number of operations decrease due to driver’s
inattentiveness.
(1) Press “” switches and select from the Multi-Information Display (MID).
(2) Press “
” switches and select the setting function and then press “”.
(3) Press “
” each time to change the setting.
(4) Press “
” to go back to the menu.
(1) Press “
” switches and select from the Multi-Information Display (MID).
(2) Press “
” switches and select the setting function and then press “”.
(3) Press “
” each time to change the setting.
(4) Press “
” to go back to the menu.
Note: Operation of the LDA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
ADJUSTING SWAY ALERT SENSITIVITY
DISABLING SWS

35
TURNING SYSTEM ON/OFF
ADJUSTING SET SPEED
1
The set speed may also be cancelled by depressing the brake pedal.
2
The set speed may be resumed once vehicle speed exceeds 25 mph. DRCC helps maintain a pre-set distance to a preceding vehicle when the preceding
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cruise control button is depressed. Constant speed cruise control mode is also
available. Full-Speed Range DRCC is designed to function at speeds between 0 to
approximately 110 MPH and is intended for highway use.
Refer to page 37 for switching to Constant Speed (Cruise) Control Mode.
Vehicle will cruise at a set speed, decelerate to maintain selected distance from a
slower vehicle traveling in front and accelerate back up to the selected speed if the
vehicle in front changes lanes or speeds up.

(1) Push the ON-OFF button. The “RADAR READY” or “
” indicator will come on.
(2) Push the lever down to SET speed, push it up to Resume and pull it or depress
brake to Cancel.
(3) Push up to increase the set speed, push down to decrease (1 MPH increments).
(3) (1)
Push once: On
Push again: Off
(2)
Decrease
speedIncrease
speed
Cancel1
Resume2
Set
Display Set speed Dynamic Radar Cruise Control
vehicle-to-vehicle distance button
Cruise control switchIndicators
Full-Speed Range
Dynamic Radar Cruise Control (DRCC)
OVERVIEW FEATURES & OPERATIONS TOYOTA SAFETY SENSE SAFETY & EMERGENCY FEATURES

36
ADJUSTING DISTANCE
To change the vehicle-to-vehicle distance

Push the “
” button to cycle
through the settings, which will
change progressively.
This mode employs a radar sensor to detect the presence of a preceding vehicle
up to approximately 328 ft (100m) ahead, determines the current vehicle-to-vehicle
following distance and operates to maintain a suitable following distance from the
vehicle ahead. These distances vary based on vehicle speed.
Preceding vehicle
mark
LONG
(default setting)MIDDLE SHORT
(1) (2) (3)
(1) Constant speed cruising when there are no vehicles ahead
The vehicle travels at the speed set by the driver. The desired vehicle-to-
vehicle distance can also be set by operating the vehicle-to-vehicle distance
control.
(2) Deceleration cruising and follow-up cruising when a preceding vehicle
driving slower than the set speed appears
When a vehicle is detected running ahead of you, the system automatically
decelerates your vehicle. When a greater reduction in vehicle speed is
necessary, the system applies the brakes (the brake lights will come on at this
time). The system will respond to changes in the speed of the vehicle ahead
in order to maintain the vehicle-to-vehicle distance set by the driver. A warning
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vehicle from closing in on the vehicle ahead. Note: Vehicle-to-vehicle distance will close in when traveling on long downhill
slopes.
TOYOTA SAFETY SENSE™

37
OVERVIEW FEATURES & OPERATIONS TOYOTA SAFETY SENSE SAFETY & EMERGENCY FEATURES
SWITCHING TO CONSTANT SPEED (CRUISE) CONTROL MODE
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automatic deceleration via the cruise control is not possible, the display will

38 AHB is a safety system designed to help drivers see more of what’s ahead at
nighttime without dazzling other drivers. When enabled, AHB uses an in-vehicle
camera to help detect the headlights of oncoming vehicles and tail lights of
preceding vehicles, then automatically switches between high and low beams
as appropriate to provide the most light possible and enhance forward visibility.
By using high beams more frequently, the system may allow earlier detection of
pedestrians and obstacles.
Refer to a Toyota Owner’s Manual for additional information on AHB operation,
settings adjustments, limitations, and precautions before attempting to use it.
Automatic High Beams (AHB)
TOYOTA SAFETY SENSE™
(1) With the engine switch in IGNITION ON mode and headlight switch turned to
“AUTO” or “
” position, push lever away from you.
(2) Depress the Automatic High Beam “
” switch.
The AHB indicator will come on when the headlights are turned on automatically
to indicate that the system is active.
Note: Pull the lever back toward you to turn the AHB system off.
The AHB indicator will turn off and the high beam indicator “
” turns on.
When all of these conditions are met, high beams will be automatically turned on
(after approximately 1 second):
• Vehicle speed is above approximately 21 mph (34 km/h.)
• The area ahead of the vehicle is dark.
• There are no oncoming or preceding vehicles with headlights or tail lights
turned on.
• There are few street lights on the road ahead.
If any of these conditions occur, the system is designed to automatically turn off
high beams:
• Vehicle speed drops below approximately 17 mph (27 km/h.)
• The area ahead of the vehicle is not dark.
• Oncoming or preceding vehicles have headlights or tail lights
turned on.
• There are many streetlights on the road ahead.
ACTIVATING THE AHB SYSTEM
CONDITIONS WHERE AHB WILL TURN ON/OFF AUTOMATICALLY