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5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key (P. 57)
in order to perform the following
operations:
Locks all the doors
Closes the windows
* (turn
and hold)
Unlocks all the doors
Opens the windows
* (turn
and hold)
*: These settings must be custom-
ized at any authorized Lexus
dealer or repairer, or another
duly qualified and equipped
professional.
If communication between the electronic key and vehicle is inter-
rupted (P. 86) or the electronic key cannot be used because the bat-
tery is depleted, the smart entry & start system, the push-button start
system and wireless remote control cannot be used. In such cases, the
doors can be opened and the hybrid system can be started by following
the procedure below.
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631
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
Starting the hybrid system
Depress the brake pedal.
Touch the Lexus emblem side
of the electronic key to the
“POWER” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the
start function cannot detect the
electronic key.
Press the “POWER” switch within 10 seconds of the buzzer
sounding, keeping the brake pedal depressed.
In the event that the hybrid system still cannot be operated, contact
any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
STEP1
STEP2
STEP3
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633
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
If the 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the
vehicle’s 12-volt battery is discharged.
You can also call any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional.
If you have a set of jumper (or booster) cables and a second
vehicle with a 12-volt battery, you can jump start your vehicle
by following the steps below.
Open the hood and fuse
block cover.
Open the exclusive jump
starting terminal cover.
STEP1
STEP2
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5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
Start the engine of the second vehicle. Increase the
engine speed slightly and maintain at that level for
approximately 5 minutes to recharge the battery of your
vehicle.
Open and close any of the doors of your vehicle with the
“POWER” switch off.
Maintain the engine speed of the second vehicle and start
the hybrid system of your vehicle by turning the
“POWER” switch to ON mode.
Make sure the “READY” indicator light comes on. If the
indicator light does not come on, contact any authorized
Lexus dealer or repairer, or another duly qualified and
equipped professional.
Once the hybrid system has started, remove the jumper
cables in the exact reverse order from which they were
connected.
To install the engine cover, conduct the removal proce-
dure in reverse. After installing, check that the fixed pins
are inserted securely.
Once the hybrid system starts, have the vehicle inspected at any
th i d L d l i th d l lifi dSTEP4
STEP5
STEP6
STEP7
STEP8
STEP9
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5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
CAUTION
After recharging the 12-volt battery
Have the 12-volt battery inspected at any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
If the 12-volt battery is deteriorating, continued use may cause the 12-volt
battery to emit a malodorous gas, which may be detrimental to the health of
passengers.
When replacing the 12-volt battery
P. 5 1 3
NOTICE
When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans or belt.
To prevent damaging the vehicle
The exclusive jump starting terminal is to be used when charging the 12-
volt battery from another vehicle in an emergency. It cannot be used to jump
start another vehicle.
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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
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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 turn the air conditioning system
on to check that the radiator cooling fan operates and to
check for coolant leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on
immediately after a cold start. Confirm that the fan is operating
by checking the fan sound and air flow. If it is difficult to check
these, turn the air conditioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
STEP4
STEP5
STEP6
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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