Page 591 of 710
5
589
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
Follow the correction procedures.
A warning message is shown on the multi-information display.
After taking the specified steps to correct the suspected problem,
check that the warning message goes off.
Warning messageDetailsCorrection procedure
Indicates that the
washer fluid level is
low
Add washer fluid.
(If equipped)
Indicates that the
pre-crash safety system
is not currently func-
tional because the grille
or the sensor is dirty
This message also
appears when the pre-
crash safety system is
not functional due to
overheating.
• Check the grille and
the sensor and clean
them if they are dirty.
• In case of overheat-
ing, the system will
become functional
once the system cools
down.
Page 594 of 710
592
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Interior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Once
Con-
tinu-
ous
(Displayed alter-
nately)
(Flashes)
An attempt was
made to exit the
vehicle with the
electronic key
and lock the
doors without
first turning the
“POWER”
switch off.
Turn the
“POWER”
switch off and
lock the doors
again.
Once
(Flashes)
An attempt was
made to start the
hybrid system
without the elec-
tronic key being
present, or the
electronic key
was not func-
tioning nor-
mally.
An attempt was
made to drive
when the regular
key was not
inside the vehi-
cle.
Confirm that the
electronic key is
inside the vehi-
cle.
Page 595 of 710
5
593
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
Interior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Con-
tinu-
ous
(Flashes)
The driver’s
door was opened
while any shift
position other
than P was
selected without
turning off the
“POWER”
switch.
Shift the shift
position to P.
Con-
tinu-
ousCon-
tinu-
ous
(Displayed alter-
nately)
(Flashes)
The electronic
key was carried
outside the vehi-
cle and the
driver’s door
was opened and
closed while any
shift position
other than P was
selected without
turning off the
“POWER”
switch.
• Shift the shift
position to P.
• Bring the elec-
tronic key back
into the vehi-
cle.
Page 600 of 710
598
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Warning message in radar cruise mode
In the following cases, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
When your vehicle and the vehicle ahead are traveling at the same speed
or the vehicle ahead is traveling more quickly than your vehicle
When the vehicle ahead is traveling at a very low speed
Immediately after cruise control speed is set
At the instant the accelerator pedal is depressed
Page 621 of 710
5
619
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)To inject the sealant and inflate
the tire, turn the compressor
switch on.
Use the kit with the top facing
upward.
Inflate the tire until the recom-
mended pressure is reached.
The sealant will be injected
and the pressure will spike
to 300 kPa (3.0 kgf/cm
2
or bar, 44 psi) or 400 kPa
(4.0 kgf/cm2 or bar, 58 psi),
then gradually decrease.
The air pressure gauge will
display the actual tire infla-
tion pressure about 1 minute
after the switch is turned on.
• Turn the compressor switch
off and then check the tire
inflation pressure. Being
careful not to over inflate,
check and repeat the infla-
tion procedure until the rec-
ommended tire inflation
pressure is reached.
STEP10
STEP 11
Page 641 of 710

5
639
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
If your vehicle overheats
Correction procedures
If the high coolant temperature warning light comes on or
flashes
Stop the vehicle in a safe place and turn off the air condi-
tioning 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 fan
If a large amount of coolant
leaks, immediately contact any
authorized Lexus dealer or
repairer, or another duly quali-
fied and equipped professional.
The following may indicate that your vehicle is overheating:
The high coolant temperature warning light (P. 572) comes
on or flashes, or a loss of hybrid system power is experienced.
(For example, the vehicle speed does not increase.)
“HYBRID SYSTEM OVERHEAT” (P. 586) is shown on
the multi-information display.
Steam comes out from under the hood.
STEP1
STEP2
STEP3
Page 643 of 710
5
641
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)If the fan is not operating:
Stop the hybrid system immediately and contact any
authorized Lexus dealer or repairer, or another duly qual-
ified and equipped professional.
If the fan is operating:
Have the vehicle inspected at the nearest any authorized
Lexus dealer or repairer, or another duly qualified and
equipped professional.
If “HYBRID SYSTEM OVERHEAT” is shown on the multi-
information display
Stop the vehicle in a safe place.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has
cooled down, inspect the hoses
and radiator core (radiator) for
any leaks.
Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact any
authorized Lexus dealer or
repairer, or another duly quali-
fied and equipped professional.
STEP7
STEP1
STEP2
STEP3
Page 644 of 710
642
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL”
“LOW”
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and check for the multi-information
display.
If the message does not disappear:
Stop the hybrid system and contact any authorized Lexus
dealer or repairer, or another duly qualified and equipped
professional.
If the message is not displayed:
Have the vehicle inspected at the nearest any authorized
Lexus dealer or repairer, or another duly qualified and
equipped professional.
STEP4
STEP5
STEP6