2019 TOYOTA PRIUS PLUS sensor

3104-5. Using the driving support systems
PRIUS +_OM_OM47D30E_(EE)■Automatic cancelation of constant speed control mode
Constant speed control mode is automatically canceled in the following situa-
tions:
●Actual vehicle speed is more than approximately 16 km/h (10 mph) below
the set vehicle speed.
●Actual vehicle speed falls below approximately 40 km/h (25 mph).
●VSC is activated.
●TRC is activated for a period of time.
●Pre-crash braking is activated.
If constant speed control mode is automatically canceled for any other rea-
son, there may be a malfunction in the system. Contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■Brake system operation sound
If the brakes are applied automatically while the vehicle is in vehicle-to-vehi-
cle distance control mode, a brake system operation sound may be heard.
This does not indicate a malfunction.
■Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or
to inform the driver of the need for caution while driving. If a warning message
is shown on the multi-information display, read the message and follow the
instructions.
■When the sensor may not be correctly detecting the vehicle ahead
In the case of the following and depending on the conditions, operate the
brake pedal when deceleration of the system is insufficient or operate the
accelerator pedal when acceleration is required.
As the sensor may not be able to correctly detect these types of vehicles, the
approach warning (P. 307) may not be activated.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving in the same lane

3114-5. Using the driving support systems
4
Driving
PRIUS +_OM_OM47D30E_(EE)●Vehicles with small rear ends (trailers with no load on board, etc.)
●Motorcycles traveling in the same lane
●When water or snow thrown up by the surrounding vehicles hinders the
detecting of the sensor
●When your vehicle is pointing upwards
(caused by a heavy load in the luggage
compartment, etc.)
●Preceding vehicle has an extremely high
ground clearance

3124-5. Using the driving support systems
PRIUS +_OM_OM47D30E_(EE)■Conditions under which the vehicle-to-vehicle distance control mode
may not function correctly
In the case of the following conditions, operate the brake pedal (or accelera-
tor pedal, depending on the situation) as necessary.
As the sensor may not be able to correctly detect vehicles ahead, the system
may not operate properly.
●When the vehicle ahead of you decelerates suddenly
●When driving on a road surrounded by a structure, such as in a tunnel or on
a bridge
●While the vehicle speed is decreasing to the set speed after the vehicle
accelerates by depressing the accelerator pedal ●When the road curves or when the lanes
are narrow
●When steering wheel operation or your
position in the lane is unstable

3646-1. Maintenance and care
PRIUS +_OM_OM47D30E_(EE)
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may
cause the electrical components etc. to catch fire.
■ When cleaning the windshield (vehicles with rain-sensing windshield
wipers)
● When the upper part of the windshield where the raindrop sensor is
located is touched by hand
● When a wet rag or similar is held close to the raindrop sensor
● If something bumps against the windshield
● If you directly touch the raindrop sensor body or if something bumps into
the raindrop sensor
■ Precautions regarding the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has
cooled sufficiently, as touching a hot exhaust pipe can cause burns.
Set the wiper switch to off.
If the wiper switch is in “AUTO”, the wip-
ers may operate unexpectedly in the fol-
lowing situations, and may result in
hands being caught or other serious inju-
ries and cause damage to the wiper
blades.
Off

4467-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
(Flashes or illuminates)(If equipped)
PCS warning light
Indicates a malfunction in the PCS (Pre-Crash Safety sys-
tem) or that the system is temporarily unavailable due to
the vehicle being extremely hot/cold, or dirt around a front
sensor, etc. ( P. 283, 458)
 Follow the instructions displayed on the multi-infor-
mation display. ( P. 283, 458)
Slip indicator light
Indicates a malfunction in:
• The VSC system;
• The TRC system; or
• The hill-start assist control system
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
The light will flash when the above systems and/or ABS
are operating.
(If equipped)
LDA indicator (warning buzzer)
Indicates that the LDA (Lane Departure Alert with steering
control) system is not available temporarily or has
detected a malfunction when the warning light is illumi-
nated in yellow and a warning message is displayed on
the multi-information display.
 P. 293
Warning lightWarning light/Details/Actions

4617-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
7
When trouble arises
(If equipped)
Indicates that the LDA (Lane Departure Alert with
steering control) system has determined that the
driver does not have the hands on the steering
wheel while the steering control function is on
If the driver operates the steering wheel only a
small amount, the system may be unable to
detect the steering wheel operations and this
warning may be displayed.
 Firmly hold the steering wheel.
(If equipped)
Indicates that steering control function is tempo-
rarily canceled due to the LDA (Lane Departure
Alert with steering control) system determining
that the driver does not have the hands on the
steering wheel while the steering control function
is on
If the driver operates the steering wheel only a
small amount, the system may be unable to
detect the steering wheel operations and this
warning may be displayed.
 Firmly hold the steering wheel.
(If equipped)
Indicates that the radar sensor is dirty or covered
with ice
A buzzer also sounds.
 Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control
system cannot be used temporarily due to bad
weather
A buzzer also sounds.
 Use the dynamic radar cruise control sys-
tem when it becomes available again.
Warning messageDetails/Actions

4627-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
Indicates a malfunction in:
• The cruise control system (if equipped); or
• The dynamic radar cruise control system (if
equipped)
Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
A buzzer also sounds.
 Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in the LDA (Lane Depar-
ture Alert with steering control) system
A buzzer also sounds.
 Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
(If equipped)
The operation conditions of the camera sensor
(temperature, etc.) are not met.
 When the operation conditions of the cam-
era sensor (temperature, etc.) are met, the
following systems will become available.
• PCS (Pre-Crash Safety system)
• LDA (Lane Departure Alert with steering con-
trol) system
• Dynamic radar cruise control
• RSA (Road Sign Assist)
• Automatic High Beam
(If equipped)
Indicates that the system is temporarily unavail-
able due to a malfunction in a sensor other than
the camera sensor
A buzzer also sounds.
 Turn the LDA (Lane Departure Alert with
steering control) system off, wait for a little
while, and then turn the LDA (Lane Depar-
ture Alert with steering control) system
back on.
Warning messageDetails/Actions
(Yellow)
(Yellow)
(Yellow)

4657-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
7
When trouble arises
(If equipped)
Indicates that the PCS (Pre-Crash Safety sys-
tem) is temporarily unavailable
 When conditions improve, the system
resumes operation. If this item is displayed
continuously, have the vehicle inspected
by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
(If equipped)
Indicates that the PCS (Pre-Crash Safety sys-
tem) is temporarily unavailable
 When conditions improve, the system
resumes operation. If this item is displayed
continuously, have the vehicle inspected
by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
(If equipped)
Indicates that part of the PCS (Pre-Crash Safety
system) sensor is dirty, covered with ice, etc.
 Remove any dirt, ice, etc.
Hybrid battery (traction battery) inspection or
replacement time.
 Have the hybrid battery (traction battery)
inspected by any authorized Toyota retailer
or Toyota authorized repairer, or any reli-
able repairer immediately.
Hybrid system restarting will soon be disabled.
 If you continue to use the vehicle in this
state, you will soon become unable to
restart the hybrid system. Have the hybrid
battery (traction battery) inspected by any
authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer
immediately.
Indicates that restarting of the hybrid system is
not possible.
 Contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable
repairer immediately.
Warning messageDetails/Actions