2020 TOYOTA PRIUS brake

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FEATURES & OPERATIONS
The Intelligent Parking Assist (IPA) system automatically operates the steering
wheel to provide support when backing into an area near a target parking spot,
and when departing from a parallel parking spot. (Changing the shift position
and speed adjustment when moving forward or backing up are not performed
automatically.)
While the IPA is operating, if the system detects an obstacle that could result in a
collision, the emergency brakes operate, regardless of whether the Front and Rear
Parking Assist with Automated Braking** is on or off.
* Refer to section S-APGS (Simple Advanced Parking Guidance System) in the
Owner’s Manual for limitations and more details.
** Refer to section PKSB (Parking Support Brake function) in the Owner’s Manual
for limitations and more details.
TURNING IPA ASSIST MODE ON
IPA GUIDANCE SCREEN
IPA switch icon
Steering wheel auto operation displayIntuitive parking assist
display/door position
(open/close) display
Assistance level
indicator
Stop displayOperation display area
Advice display
Intelligent Parking Assist (IPA)* (if equipped)
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Assist mode will be canceled or stopped in the following cases.
Assist control is canceled when
• The system temperature preservation function operates
• There is a system malfunction
• System determined that the parking environment is not suitable for assist to
continue
When assist control is canceled, firmly grasp the steering wheel, depress the brake
pedal and stop the vehicle.
Start again from the beginning, as the system will already be canceled. When
continuing to park manually, operate the steering wheel as you normally would.
Assist control is stopped when
• The steering wheel is operated
• The vehicle speed exceeds 4 mph (7 km/h) during assist control
• The Front and Rear Parking Assist with Automated Braking** operates
When assist control is stopped, it can be resumed by following the guidance shown
on the screen.
The Intelligent Parking Assist (IPA) system requires driver brake control. Always
look around outside the vehicle and use mirrors to confirm clearance.
* Refer to section S-APGS (Simple Advanced Parking Guidance System) in the
Owner’s Manual for limitations and more details.
** Refer to section PKSB (Parking Support Brake function) in the Owner’s Manual
for limitations and more details.
CANCELING OF STOPPING ASSIST MODE
OVERVIEW
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
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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 or
pedestrian may not be detected by the radar and camera sensors, preventing the
system from operating or engaging properly.
Refer to the Toyota Owner’s Manual for a list of additional situations in which the
system may not operate properly.
Refer to the 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 (PCS w/PD)
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CHANGING 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
As part of the Pre-Collision System, this function is also designed to first provide an
alert and then automatic braking if needed.Under certain conditions, the PCS system included with the TSS-P package may
also help to detect a pedestrian in front of your vehicle using the in-vehicle camera
and front grille-mounted radar. The in-vehicle camera of PCS detects a potential
pedestrian based on size, profile, and motion of 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.
PCS PEDESTRIAN DETECTION
Refer to the Toyota Owner’s Manual for additional limitations and information.
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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
vehicle is traveling at a lower speed. This mode is always selected first when the
cruise control button is depressed. Constant speed cruise control mode is also
available. DRCC is designed to function at speeds between approximately 30 to
110 MPH and is intended for highway use. 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 41 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 [1.6 km/h] or 1 km/h [0.6 mph] increments).
(3)
(1)
Push once: On
Push again: Off
(2)
Decrease speed
Increase speed
Cancel1
Resume2
Set
Display
Set speed
Dynamic Radar Cruise Control
vehicle-to-vehicle distance button
Cruise control switch Indicators
Full-Speed Range

Dynamic Radar Cruise Control (DRCC)
OVERVIEW
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
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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 (100 m) ahead, determines the current vehicle-to-vehicle
following distance and operates to maintain a preset 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
tone warns you when the system cannot decelerate sufficiently to prevent your
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™
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OVERVIEW
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
SWITCHING TO CONSTANT SPEED (CRUISE) CONTROL MODE
Note: When your vehicle is too close to a vehicle ahead, and sufficient
automatic deceleration via the cruise control is not possible, the display will
flash and the buzzer will sound to alert the driver. An example of this would be
if another driver cuts in front of you while you are following a vehicle. Depress
the brake pedal to ensure an appropriate vehicle-to-vehicle distance.
If you are already using DRCC “
”, push ON-OFF button to turn the system off
first, then push and hold ON-OFF button for at least 1.5 seconds to switch.
Note: When the engine is turned off, it will automatically default to DRCC.
Refer to the Toyota Owner’s Manual for additional information on DRCC operation,
settings adjustments, limitations, and precautions before attempting to use it.
1.5 seconds
(3) Acceleration when there are no longer any preceding vehicles driving
slower than the set speed The system accelerates until the set speed is reached. The system then
returns to constant speed cruising.
SETTING CONSTANT SPEED (CRUISE) CONTROL
Refer to the Toyota Owner’s Manual for additional information on DRCC operation,
settings adjustments, limitations, and precautions before attempting to use it.
Set
To adjust speed or cancel, see steps (2) and (3) of ADJUSTING SET SPEED on
page 39.
DRCC ADJUSTING DISTANCE (CONTINUED)
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SAFETY & EMERGENCY FEATURES
SMART STOP TECHNOLOGY (SST)
Star Safety System™
Smart Stop Technology automatically reduces engine power when the accelerator
and brake pedals are pressed simultaneously under certain conditions.
SST engages when the accelerator is depressed first and the brakes are applied
firmly for longer than one-half second at speeds greater than five miles per hour.
SST doesn’t engage if the brake pedal is depressed before the accelerator pedal,
allowing vehicles to start on a steep hill and safely accelerate without rolling
backward.
Refer to the Brake Override System section in the Owner’s Manual for more
information on Smart Stop Technology.
ENHANCED VEHICLE STABILITY CONTROL (VSC)
Enhanced Vehicle Stability Control provides cooperative control of the ABS, TRAC,
VSC and EPS.
Enhanced VSC helps to maintain directional stability when loss of traction occurs
during a turn.
ANTI-LOCK BRAKE SYSTEM (ABS)
Toyota’s ABS sensors detect which wheels are locking up and limits wheel lockup
by “pulsing” each wheel’s brakes independently. Pulsing releases brake pressure
repeatedly for fractions of a second. This helps the tires attain the traction that
current road conditions will allow, helping you to stay in directional control.
BRAKE ASSIST (BA)
Brake Assist is designed to detect sudden or “panic” braking, and then add braking
pressure to help decrease the vehicle’s stopping distance. When there’s only a split
second to react, Brake Assist can add additional brake pressure more quickly than
just the driver alone can.
ELECTRONIC BRAKE FORCE DISTRIBUTION (EBD)
Toyota’s ABS technology has Electronic Brake-force Distribution (EBD) to help
maintain control and balance when braking. EBD responds to sudden stops by
redistributing brake force to enhance the braking effectiveness of all four wheels. Your vehicle comes standard with the Star Safety System
TM, which combines Anti-
lock Braking System (ABS), Brake Assist (BA), Electronic Brake-force Distribution
(EBD), Smart Stop Technology (SST), Traction Control (TRAC) and Vehicle Stability
Control (VSC).
Refer to the Owner’s Manual for more details and important information on limitations
to these systems.
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