2019 TOYOTA PRIUS PLUS air condition

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)

4647-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
Indicates that the hybrid system has overheated
This message may be displayed when driving
under severe operating conditions, and the out-
put of the hybrid system may temporarily
decrease in order to protect the system. (For
example, when driving up a long steep hill or
driving up a steep hill in reverse.)
A buzzer also sounds.
 Stop the vehicle in a safe place.
Handling method ( P. 520)
(If equipped)
Indicates a malfunction in the Automatic High
Beam
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 RSA (Road Sign
Assist)
A buzzer also sounds
 Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Indicates that the accelerator and brake pedals
are being depressed simultaneously, and the
brake override system is operating.
 Release the accelerator pedal and depress
the brake pedal. ( P. 2 1 3 )
(if equipped)
The Automatic High Beam switch was pressed
with the low beam headlights turned on.
 Turn the high beam headlights on before
pressing the Automatic High Beam switch.
Warning messageDetails/Actions
(flashes)

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

5187-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
If your vehicle overheats
■If the high coolant temperature warning light comes on or
flashes
Stop the vehicle in a safe place and turn off the air conditioning
system, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has cooled down sufficiently, inspect the
hoses and radiator core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact
any authorized Toyota retailer
or Toyota authorized repairer,
or any reliable repairer.
The following may indicate that your vehicle is overheating.
● The high coolant temperature warning light (P. 449) comes on
or flashes, or a loss of hybrid system power is experienced. (For
example, the vehicle speed does not increase.)
● Vehicles without multi-information display: The hybrid system
overheat warning light ( P. 449) comes on.
● Vehicles with multi-information display: The warning message
indicating overheat is shown on the multi-information display.
( P. 464)
● Steam comes out from under the hood.
Correction procedures
1
2
3
1
2

5197-2. Steps to take in an emergency
PRIUS +_OM_OM47D30E_(EE)
7
When trouble arises
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from the radiator or hoses.
The fans operate when the air condi tioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly. (The fans may not operate in
freezing temperatures.)
If the fans are not operating:
Stop the hybrid system immediately and contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
If the fans are operating:
Have the vehicle inspected at the nearest any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
4
1
2
3
5
6
7

5438-2. Customization
PRIUS +_OM_OM47D30E_(EE)
8
Vehicle specifications
■PCS (Pre-Crash Safety system)* (P. 271)
*: If equipped
■
RSA (Road Sign Assist)* (P. 294)
*: If equipped
■
Automatic air conditioning system (P. 332)
FunctionDefault
settingCustomized
setting
PCS (Pre-Crash Safety
system)OnOffO——
Alert timingMiddleFarO——Near
123
FunctionDefault
settingCustomized
setting
RSA (Road Sign Assist)OnOffO–O
Notification
method
Excess
speedOnly visual
No notification
O–OVisual and audi-
ble
OthersOnly visual
No notification
O–OVisual and audi-
ble
Excess speed notification
level2 km/h
(1 mph)
5 km/h
(3 mph)
O–O10 km/h
(5 mph)
123
FunctionDefault
settingCustomized
setting
A/C auto switching opera-
tionOnOff––O
Heating/cooling operation
minimized in Eco drive
mode
OnOff––O
123

548What to do if... (Troubleshooting)
PRIUS +_OM_OM47D30E_(EE)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by any authorized Toyota retailer or Toyota authorized repairer, or
any reliable repairer. (P. 141)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immediately. (P. 143)
●Is the electronic key battery weak or depleted? (P. 417)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. (P. 227)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. (P. 156)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. (P. 147)
If you have a problem, check the following before contacting any
authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

552Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Alphabetical index
A/C............................................. 332
Air conditioning filter.............. 413
Automatic air conditioning
system ................................ 332
Climate remote control
switches.............................. 340
Pollen removal mode ............ 335
ABS
(Anti-lock Brake System) ...... 318
Function ................................ 318
Warning light ......................... 445
Air conditioning filter .............. 413
Air conditioning system .......... 332
Air conditioning filter.............. 413
Automatic air conditioning
system ................................ 332
Climate remote control
switches.............................. 340
Pollen removal mode ............ 335
Air intake vent ............................ 86
Airbag manual on-off
system ...................................... 56Airbags ....................................... 46
Airbag manual on-off
system .................................. 56
Airbag operating conditions .... 52
Airbag precautions for your
child ...................................... 48
Airbag warning light .............. 445
Correct driving posture ........... 36
Curtain shield airbag
operating conditions ............. 52
Curtain shield airbag
precautions........................... 50
General airbag precautions .... 48
Locations of airbags................ 46
Modification and disposal of
airbags.................................. 51
Side airbag operating
conditions ............................. 52
Side airbag precautions .......... 49
Side and curtain shield
airbags operating
conditions ............................. 52
Side and curtain shield
airbags precautions .............. 50
SRS airbags............................ 46
A