Transmission fluid Lexus IS250 2014 Owner's Manual

1824-1. Before driving
IS250_EE(OM53C51E)
NOTICE
■When driving the vehicle
●Do not depress the accelerator and brake pedals at the same time during driving, as
this may restrain driving torque.
●Do not use the accelerator pedal or depress the accelerator and brake pedals at the
same time to hold the vehicle on a hill.
■When parking the vehicle
Always shift the shift lever to P. Failure to do so may cause the vehicle to move or the
vehicle may accelerate suddenly if the accelerator pedal is accidentally depressed.
■Avoiding damage to vehicle parts
●Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering motor.
●When driving over bumps in the road, drive as slowly as possible to avoid damaging
the wheels, underside of the vehicle, etc.
■If you get a flat tire while driving
A flat or damaged tire may cause the following situations. Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle.
●It may be difficult to control your vehicle.
●The vehicle will make abnormal sounds or vibrations.
●The vehicle will lean abnormally.
Information on what to do in case of a flat tire (→P. 4 9 6 , 5 0 7 )
■When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may cause the
following serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to have
any authorized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional check the following:
●Brake function
●Changes in quantity and quality of oil and fluid used for the engine, transmission, dif-
ferentials, etc.
●Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.

2004-2. Driving procedures
IS250_EE(OM53C51E)
To enter M mode, shift the shift lever to M. Gears can then be selected by oper-
ating the shift lever or paddle shift switches, allowing you to drive in the gear of
your choice.
Upshifting
Downshifting
The gear changes once every time the
shift lever or paddle shift switch is oper-
ated.
The selected gear, from M1 to M6, will
be fixed and displayed in the meter.
When in the M position, the gear will not change unless the shift lever or pad-
dle shift switches are operated.
However, even when in the M position, the gears will be automatically
changed in the following situation:
●When vehicle speed drops (downshift only).
●When the automatic transmission fluid or engine coolant temperature is
low.
●When automatic transmission fluid temperature is high.
●When the needle of the tachometer is in the red zone (the range which
exceeds the allowable revs of the engine).
In the following situations, the gear will not shift even if the shift lever or paddle
shift switches are operated.
●“1st Gear not available due to slippery road surface” is displayed on the
multi information display.
●The vehicle speed is low (upshift only).
Selecting gears in the M position
1
2

2014-2. Driving procedures
4
Driving
IS250_EE(OM53C51E)
The Gear Shift Indicator display is a guide to help the driver achieve improved
fuel economy and reduced exhaust emissions within limits of engine perfor-
mance.
When not in operation
Shift-up indicator
■Gear Shift Indicator function
●This function automatically operates during M mode.
●By following the Shift-up indicator and shifting up accordingly, it is possible
to achieve improved fuel economy and reduced exhaust emissions.
●The Gear Shift Indicator does not have a similar function for downshifting.
●Depending on the driving conditions, the Gear Shift Indicator may not dis-
play the Shift-up indicator while driving in M mode.
■When the “-” paddle shift switch is operated with the shift lever in the D position
A shift range will be automatically selected. The highest gear of the first shift range will be
one gear lower than the gear in use during normal D position driving.
■Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following situations:
●When the vehicle comes to a stop
●If the accelerator pedal is depressed for more than a certain period of time
●When the shift lever is shifted to a position other than D
■To protect the automatic transmission
“Transmission Fluid High Temperature” is displayed on the multi-information display and
a function is adopted that automatically selects a higher shift range when the fluid tem-
perature is high. Have the vehicle inspected by any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Gear Shift Indicator (if equipped)
1
2

4768-2. Steps to take in an emergency
IS250_EE(OM53C51E)
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
→Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional. Continuing to drive the vehicle may
be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
→Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
→Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
→Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.

4878-2. Steps to take in an emergency
8
When trouble arises
IS250_EE(OM53C51E)
(If equipped)
Indicates a malfunction in the PCS (Pre-Crash Safety
system)
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Indicates abnormal engine oil pressure
A buzzer also sounds.
→Immediately stop the vehicle in a safe place and
contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Indicates that the automatic transmission fluid tempera-
ture is too high
A buzzer also sounds.
→Immediately stop the vehicle in a safe place and
contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Indicates that the Pop Up Hood system has operated
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Indicates a malfunction in the Pop Up Hood system
A buzzer also sounds.
→Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Indicates that the engine was stopped while driving
A buzzer also sounds.
→Operate the steering wheel with more force than
usual.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)

5449-1. Specifications
IS250_EE(OM53C51E)
*: The fluid capacity is a reference quantity.
If replacement is necessary, contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Electrical system
Battery
Specific gravity reading
at 20°C (68°F):1.250  1.290 Fully charged
1.160  1.200 Half charged
1.060  1.100 Discharged
Charging rates
Quick charge
Slow charge15 A max.
5 A max.
Automatic transmission
Fluid capacity*7.5 L (7.9 qt., 6.6 Imp. qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
■Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transmission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.

573Alphabetical index
IS250_EE(OM53C51E)
First-aid kit storage belt .....................395
Flat tire
Vehicles with a spare tire ..............496
Vehicles with emergency
tire puncture repair kit .................507
Floor mats ................................................... 32
Fluid
Automatic transmission ..................544
Brake........................................................545
Washer ................................................... 426
Fog lights ................................................... 213
Replacing light bulbs..........................461
Switch ........................................................ 213
Follow me home system .................... 207
Footwell light ......................................... 389
Wattage................................................. 548
Front fog lights ........................................ 213
Replacing light bulbs..........................461
Switch ........................................................ 213
Front personal lights ............................390
Wattage................................................. 548
Front position lights..............................206
Light switch ...........................................206
Replacing light bulbs..........................461Front seats ................................................. 147
Adjustment ............................................. 147
Cleaning ................................................408
Correct driving posture.....................34
Driving position memory ..................151
Head restraints ..................................... 156
Power easy access system...............151
Seat heaters..........................................388
Seat position memory .........................151
Seat ventilators ...................................388
Front turn signal lights ........................ 203
Replacing light bulbs .............451, 453
Turn signal lever................................. 203
Wattage ................................................. 548
Fuel ............................................................... 221
Capacity................................................. 540
Fuel gauge ............................................... 95
Fuel pump shut off system ............ 475
Information............................................ 549
Refueling .................................................. 221
Type ............................................... 221, 540
Warning light....................................... 478
F