Page 540 of 628

5268-2. Steps to take in an emergency
IS300h_EE(OM53B95E)
Interior
buzzerExterior
buzzerWarning messageDetails/Actions
Con-
tinu-
ousThe driver’s door was opened
when the shift lever was not in P
and the power switch was not
turned off.
Shift the shift lever to P.
Con-
tinu-
ousCon-
tinu-
ous
The driver’s door was opened
and closed while the electronic
key was not in the vehicle, the
shift lever was not in P and the
power switch was not turned off.
Shift the shift lever to P.
Bring the electronic key back
into the vehicle.
Once
The electronic key is not
detected when an attempt is
made to start the hybrid system.
Start the hybrid system with
the electronic key present.
OnceCon-
tinu-
ous
An attempt was made to exit the
vehicle with the electronic key
and lock the doors without first
turning the power switch off
when the shift lever was in P.
Turn the power switch off and
lock the doors again.
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Page 541 of 628

5278-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
Once3
times
The electronic key was carried
outside the vehicle and a door
other than the driver’s door was
opened and closed while the
power switch was in a mode
other than off.
Bring the electronic key back
into the vehicle.
The driver’s door was opened
and closed while the electronic
key was not in the vehicle, the
shift lever was in P and the
power switch was not turned off.
Turn the power switch off.
Bring the electronic key back
into the vehicle.
9
times
An attempt was made to drive
when the electronic key was not
inside the vehicle.
Confirm that the electronic
key is inside the vehicle.
Con-
tinu-
ous
An attempt was made to lock the
doors using the smart entry &
start system while the electronic
key was still inside the vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
Once
Con-
tinu-
ous
An attempt was made to lock
either front door by opening a
door and putting the inside lock
button into the lock position,
then closing the door by pulling
on the outside door handle with
the electronic key still inside the
vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
Interior
buzzerExterior
buzzerWarning messageDetails/Actions
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(Vehicles with the entry function)
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Page 542 of 628

5288-2. Steps to take in an emergency
IS300h_EE(OM53B95E)
Once
The electronic key has a low bat-
tery.
Replace the electronic key
battery. (P. 472)
Once
The steering lock could not be
released within 3 seconds of the
power switch being pressed.
Press the power switch while
depressing the brake pedal
and moving the steering wheel
left and right.
Once
Indicates a malfunction in the
smart entry & start system
Have the vehicle inspected by
any authorized Lexus dealer
or repairer, or another duly
qualified and equipped profes-
sional.
Once
• When the doors were unlocked
with the mechanical key and
then the power switch was
pressed, the electronic key
could not be detected in the
vehicle.
• The electronic key could not
be detected in the vehicle even
after the power switch was
pressed two consecutive times.
Touch the electronic key to
the power switch while
depressing the brake pedal.
Once
During a hybrid system starting
procedure in the event that the
electronic key was not function-
ing properly (P. 550), the
power switch was touched with
the electronic key.
Press the power switch within
10 seconds of the buzzer
sounding.
Interior
buzzerExterior
buzzerWarning messageDetails/Actions
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Page 543 of 628

5298-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
Indicates that:
• With the power switch off, the
doors were unlocked and then
the driver’s door was opened
and closed;
• The power switch was turned
to ACCESSORY mode with-
out starting the hybrid system;
or
• The shift lever was shifted to P
from another position with the
power switch in ON mode.
Press the power switch while
depressing the brake pedal.
Once
The power switch has been
turned off with the shift lever in a
position other than P.
Shift the shift lever to P.
Once
After the power switch has been
turned off with the shift lever in a
position other than P, the shift
lever has been shifted to P.
Turn the power switch off.
Power was turned off due to the
automatic power off function.
Next time when starting the
hybrid system, increase the
engine speed slightly and
maintain that level for approx-
imately 5 minutes to recharge
the 12-volt battery.
Con-
tinu-
ous
Indicates that the hybrid system
was stopped in an emergency
while driving
To restart the hybrid system,
shift the shift lever to N and
turn the power switch to ON
mode.
*
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buzzerWarning messageDetails/Actions
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Page 544 of 628
5308-2. Steps to take in an emergency
IS300h_EE(OM53B95E)
*: The hybrid system may not be restarted depending on the vehicle condition.
Warning messages
P. 525
Warning buzzer
P. 512
Once
Indicates that the power switch
has been pressed while driving
Except when emergency stop-
ping of the vehicle is needed,
immediately release the power
switch.
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buzzerExterior
buzzerWarning messageDetails/Actions
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Page 546 of 628
5328-2. Steps to take in an emergency
IS300h_EE(OM53B95E)
Emergency tire puncture repair kit components
Hose
Air release cap
Air pressure gaugeCompressor switch
Power plug
Stickers1
2
3
4
5
6
Page 549 of 628
5358-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
Make sure that the compressor
switch is off.
Remove the power plug from the
compressor.
Connect the power plug to the power outlet socket. (P. 421)5
6
7
Page 553 of 628
5398-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
With the compressor switch off, disconnect the hose from the valve on
the tire and then pull out the power plug from the power outlet socket.
Some sealant may leak when the hose is removed.
Install the valve cap onto the valve of the emergency repaired tire.
Attach the air release cap to the
end of the hose.
If the air release cap is not attached,
the sealant may leak and the vehicle
may get dirty.
Temporarily store the bottle in the luggage compartment while it is
connected to the compressor.
To spread the liquid sealant evenly within the tire, immediately drive
safely for about 5 km (3 miles) below 80 km/h (50 mph).
After driving for about 5 km (3
miles), stop your vehicle in a safe
place on a hard, flat surface and
remove the air release cap from
the hose before reconnecting the
repair kit.
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