2015 Lexus IS250 automatic transmission

5179-1. Specifications
9
Vehicle specifications
IS350/250_U (OM53C50U)
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
Your Lexus vehicle is filled with “Toyota Genu ine Differential Gear Oil” at the factory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of match-
ing quality to satisfy the above specification. Please contact your Lexus dealer for further
details.
Automatic transmission
IS250IS350
Fluid capacity*2WD7.9 qt. (7.5 L, 6.6 Imp. qt.)10.0 qt. (9.5 L, 8.4 Imp. qt.)
AW D9.9 qt. (9.4 L, 8.3 Imp. qt.)10.6 qt. (10.0 L, 8.8 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 transm ission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Front differential (AWD models)
Oil capacity 0.74 qt. (0.70 L, 0.61 Imp. qt.)
Oil type and viscosityHypoid gear oil API GL-5
Above 0°F (-18 °C): SAE90
Below 0 °F (-18° C): SAE80W or SAE80W-90
Rear differential
Oil capacityIS2501.20 qt. (1.15 L, 1.01 Imp. qt.)
IS3501.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent

5329-1. Specifications
IS350/250_U (OM53C50U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air conditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants specified
in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in the
third column of Table 1
* below
Production options weight
The combined weight of in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated

565Alphabetical index
IS350/250_U (OM53C50U)
Alarm .............................................................. 71
Anchor brackets ...................................... 58
Antennas (smart access system with push-button start) ....................... 114
Anti-lock Brake System (ABS)....... 240 Function ..................................................240
Warning light ...................................... 466
Approach warning (dynamic
radar cruise control) ......................... 201
Armrest .................................................... 379
Assist grip ................................................. 381
Audio input...............................................274
Audio system.......................................... 266 Audio input............................................ 274
AUX port/USB port........................ 274
Bluetooth
® audio.................................317
CD player ..............................................295
iPod ............................................................ 301
MP3/WMA/AAC disc .................295
Optimal use ..........................................282
Portable music player ..................... 308
Radio ....................................................... 289
Steering wheel audio switch .......... 271
USB memory ...................................... 304 Automatic headlight leveling
system...................................................... 174
Warning light ....................................... 467
Automatic High Beam ......................... 176
Automatic light control system...................................................... 173
Automatic transmission....................... 164 If the shift lever
cannot be shifted from P ............498
M mode .................................................... 167
Paddle shift switches..........................166
AUX port ................................................. 274
Average fuel economy ..........................87
Average vehicle speed..........................87

570Alphabetical index
IS350/250_U (OM53C50U)
Emergency flashers ............................. 456
Engine .........................................................514ACCESSORY mode....................... 160
Compartment ....................................... 413
Engine switch ........................................ 159
Hood ........................................................... 411
How to start the engine ................... 159
Identification number ........................ 513
If the engine will not start............... 496
Ignition switch (engine switch)..... 159
Overheating ........................................ 506
Engine coolant......................................... 417
Capacity .................................................. 516
Checking..................................................417
Preparing and checking before winter ................................... 260
Engine coolant temperature gauge ..........................................................81
Engine immobilizer system ................. 69
Engine oil ...................................................414 Capacity .................................................. 514
Checking................................................. 414
Preparing and checking before winter ................................... 260
Engine switch .......................................... 159
Enhanced VSC ..................................... 240
EPS (Electronic Power Steering) ..........241
Function ....................................................241
Warning light ....................................... 467
Event data recorder (EDR) ...................10 First-aid kit storage belt......................374
Flat tire ...................................................... 486
Floor mats....................................................26
Fluid
Automatic transmission.................... 517
Brake......................................................... 518
Washer ................................................... 422
Fog lights..................................................... 181 Replacing light bulbs ....................... 452
Switch ......................................................... 181
Wattage ...................................................521
Footwell light .......................................... 368 Wattage ...................................................521
Front passenger occupant classification system ............................ 47
Front personal lights ........................... 369 Wattage ...................................................521
Front seats................................................. 120 Adjustment..............................................120
Cleaning................................................. 399
Correct driving posture .................... 28
Driving position memory................. 123
Head restraints .....................................128
Power easy access system ............. 123
Seat heaters .......................................... 367
Seat position memory ....................... 123
Seat ventilators.................................... 367F

578Alphabetical index
IS350/250_U (OM53C50U)
Shift lever ...................................................164Automatic transmission ................... 164
If the shift lever cannot be shifted from P ........... 498
Shift lock system.................................... 498
Shift position and gear position ...........81
Side airbags ............................................... 37
Side marker lights................................... 173 Light switch .............................................173
Replacing light bulbs ........................452
Side mirrors ............................................. 135 Adjusting and folding........................ 135
BSM (Blind Spot Monitor)............ 252
Linked mirror function
when reversing ................................. 136
Mirror position memory ...................123
Side turn signal lights ............................170 Replacing light bulbs ........................452
Turn signal lever .................................. 170
Slip indicator ........................................... 467
Smart access system with push-button start ........................ 114
Antenna location ................................... 114
Entry functions ........................... 103, 109
Starting the engine ............................. 159 SMS (Short message service) .........327
Snow mode ............................................... 165
Snow tires .................................................262
Spare tire ................................................. 486
Inflation pressure..................................519
Storage location ................................. 487
Spark plug ................................................. 516
Specifications........................................... 512
Speedometer .............................................. 81
Speed indicator........................................ 88
Steering lock ............................................. 161 Column lock release .......................... 161
Steering wheel ......................................... 131 Adjustment................................................131
Audio switches ..................................... 271
Heated steering wheel ................... 366
Power easy access system ............. 123
Steering wheel
position memory .............................. 123
Stop lights
Replacing light bulbs ....................... 452
Storage feature ..................................... 370
Stuck If the vehicle becomes stuck....... 509
Sun visors.................................................. 377

581Alphabetical index
IS350/250_U (OM53C50U)
Tools........................................................... 487
Top tether strap........................................ 65
Total load capacity .................................156
TowingDinghy towing ...................................... 158
Emergency towing........................... 458
Towing eyelet........................................ 461
Trailer towing ........................................ 157
TRAC (Traction Control) ................. 240
Transmission .............................................164 Automatic transmission ................... 164
Driving mode select switch .......... 237
If the shift lever cannot be shifted from P .................................. 498
M mode ....................................................167
Paddle shift switches ......................... 166
Trip meters ...................................................81 Trunk ...........................................................109
Internal trunk release lever ................ 111
Luggage security system.................. 110
Smart access system
with push-button start................... 109
Trunk features...................................... 374
Trunk handle ........................................... 110
Trunk light................................................... 111
Trunk opener main switch ............... 110
Trunk opener switch ......................... 109
Wireless remote control................. 109
Trunk light..................................................... 111
Wattage ...................................................521
Turn signal lights ..................................... 170
Replacing light bulbs ................ 446, 448, 449, 452
Turn signal lever ...................................170
Wattage ...................................................521
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.