2014 Lexus IS250 engine

4407-3. Do-it-yourself maintenance
IS250_EE(OM53C51E)
Turn the engine switch off.
Open the glove box. Lift up the side
with the stay, disconnect the stay
tabs and remove the partition by
pulling horizontally.
Press the tabs and remove the filter
cover.
Press the tabs and remove the filter
case.
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air condi-
tioning efficiency.
Removal method
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4457-3. Do-it-yourself maintenance
7
Maintenance and care
IS250_EE(OM53C51E)
Turn the engine switch off.
Open the fuse box cover.
XEngine compartment: type A fuse box (left-hand drive vehicles)
Push the tab in and lift the lid off.
XEngine compartment: type A fuse box (right-hand drive vehicles)
Push the tab in and lift the lid off.
XEngine compartment: type B fuse box
Push the tab in and lift the lid off.
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and replace the fuses as necessary.
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2

465
8When trouble arises
IS250_EE(OM53C51E)
8-1. Essential information
Emergency flashers...................466
If your vehicle has to
be stopped in an
emergency ................................. 4678-2. Steps to take in an
emergency
If your vehicle needs to
be towed .....................................468
If you think something is
wrong ............................................ 474
Fuel pump shut off system .......475
If a warning light turns
on or a warning buzzer
sounds........................................... 476
If a warning message is
displayed..................................... 482
If you have a flat tire
(vehicles with a
spare tire) ................................... 496
If you have a flat tire
(vehicles without a
spare tire) ................................... 507
If the engine will not start ..........521
If the shift lever cannot be
shifted from P............................ 523
If the electronic key does
not operate properly ............. 524
If the vehicle battery is
discharged ..................................527
If your vehicle overheats .......... 531
If the vehicle becomes
stuck ............................................. 534

466
IS250_EE(OM53C51E)8-1. Essential information
Press the switch.
All the turn signals will flash.
To turn them off, press the switch once
again.
■Emergency flashers
If the emergency flashers are used for a long time while the engine is not operating, the
battery may discharge.
Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.

4678-1. Essential information
8
When trouble arises
IS250_EE(OM53C51E)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort required to
slow the vehicle.
Shift the shift lever to N.
XIf the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
XIf the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the engine, press and hold
the engine switch for 2 consecutive
seconds or more, or press it briefly 3
times or more in succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle in
the normal way, stop the vehicle using the following procedure:
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3
Press and hold for 2 seconds or more
or press briefly 3 times or more
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CAUTION
■If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heavier to turn. Decelerate as much as possi-
ble before turning off the engine.
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468
IS250_EE(OM53C51E)8-2. Steps to take in an emergency
The following may indicate a problem with your transmission. Contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional or commercial towing service before towing.
●The engine is running but the vehicle will not move.
●The vehicle makes an abnormal sound.
If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional or commercial towing service, using a lift-type truck or flatbed
truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
Situations needs to contact dealers before towing

4718-2. Steps to take in an emergency
8
When trouble arises
IS250_EE(OM53C51E)
Take out the towing eyelet. (→P. 4 9 7 , 5 0 8 )
Remove the eyelet cover using a flat-
head screwdriver.
To protect the bodywork, place a rag
between the screwdriver and the vehi-
cle body as shown in the illustration.
Insert the towing eyelet into the hole
and tighten partially by hand.
Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
Securely attach a cable or chain to the towing eyelet.
Take care not to damage the vehicle body.
Enter the vehicle being towed and start the engine.
If the engine does not start, turn the engine switch to IGNITION ON mode.
Shift the shift position to N and release the parking brake.
When the shift lever cannot be shifted: →P. 5 2 3
Emergency towing procedure
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4728-2. Steps to take in an emergency
IS250_EE(OM53C51E)
■While towing
If the engine is not running, the power assist for the brakes and steering will not function,
making steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench is installed in luggage compartment. (→P. 4 9 7 , 5 0 8 )
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When towing the vehicle
■While towing
●When towing using cables or chains, avoid sudden starts, etc. which place excessive
stress on the towing eyelet, cables or chains.
The towing eyelet, cables or chains may become damaged, broken debris may hit
people and cause serious damage.
●Do not turn the engine switch off.
There is a possibility that the steering wheel is locked and cannot be operated.
■Installing towing eyelet to the vehicle
Make sure that towing eyelet is installed securely.
If not securely installed, towing eyelet may come loose during towing.
Be sure to transport the vehicle with all four
wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground, the
drivetrain and related parts may be damaged
or an accident may occur due to a change in
direction of the vehicle.