Page 89 of 584
89
1-5. Refueling
1
Before driving
Closing the fuel tank capWhen replacing the fuel tank cap,
turn it until a clicking sound is
heard.
After releasing your hand, the cap
will turn slightly in the opposite
direction.
■Fuel types
Use unleaded gasoline. (Octane rating 91 [Research Octane Number 96] or
higher)
■Fuel tank capacity (reference)
17.2 gal. (65 L, 14.3 Imp. gal.)
■When the fuel filler door opener is inoperable
The lever can be used to open the fuel filler
door if the fuel filler door cannot be opened
using the inside switch because the battery is
discharged or for any other reason.
Page 518 of 584
518
6-1. Specifications
Electrical system
DifferentialFront
Rear
*: Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the factory. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an
equivalent oil of matching quality that satisfies the above specifications. Please
contact your Lexus dealer for further details.
Battery
Open voltage* at
68 F (20 C):12.6 12.8 V Fully charged
12.2
12.4 V Half charged
11.8
12.0 V Discharged
(*: Voltage checked 20 minutes after
the engine and all the lights are turned
off)
Charging rates5 A max.
Oil capacity0.74 qt. (0.70 L, 0.61 Imp. qt.)
Oil typeHypoid gear oil API GL-5
Oil viscosityAbove 0 F (-18 C): SAE90
Below 0 F (-18 C): SAE80W or SAE80W-90
Oil capacity
IS350:
1.42 qt. (1.35 L, 1.19 Imp. qt.)
IS250: 1.20 qt. (1.15 L, 1.01 Imp. qt.)
Oil type and viscosity*Toyota Genuine Differential Gear Oil LT 75W-85
GL-5 or equivalent
Page 536 of 584

536
6-1. Specifications
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
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 speci-
fied in the second column of Table 1
* that follows
Production options
weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle's designated seating capacity
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer.
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer's designation for a rim by
style or code
Tire related termMeaning
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569
Alphabetical index
Back-up lightsWattage ................................................. 525
Battery Checking ............................................... 402
If the vehicle has a discharged battery................................................. 500
Preparing and checking before winter ...................................... 201
Bluetooth
® audio* ...............................270
Bluetooth® phone*............................. 288
Bottle holders ........................................ 329
Brake Fluid ..........................................................400
Parking brake ..........................................151
Brake assist ................................................ 191 Care
Exterior.................................................... 372
Interior ..................................................... 376
Seat belts ................................................ 377
Cargo capacity ........................................197
Cargo hooks.......................................... 350
CD changer* ........................................... 231
CD player* ............................................... 231
Chains ........................................................ 201
Child-protectors ...................................... 49
Child restraint system Booster seats, definition .................... 115
Booster seats, installation ................122
Convertible seats, definition ............ 115
Convertible seats, installation ........ 122
Front passenger occupant classification system ......................... 110
Infant seats, definition .......................... 115
Infant seats, installation ...................... 122
Installing CRS with LATCH anchors ................................................. 120
Installing CRS with seat belts ......... 122
Installing CRS with top straps....... 125
B
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.
C
Page 581 of 584

581
Alphabetical index
Warning messagesAWD system ........................................474
Engine oil level .................................... 476
Engine oil maintenance.................. 476
Engine oil pressure............................473
Hood ....................................................... 476
Intuitive parking assist ..........474, 476
Moon roof ............................................. 476
Open door ........................................... 476
Parking brake ...................................... 476
Smart access system with push-button start............................480
Steering lock .........................................474
Tire pressure warning system ....................474, 476
Trunk ........................................................ 476
Washer fluid......................................... 476
Washer Checking ............................................... 405
Preparing and checking before winter ...................................... 201
Switch ........................................................ 173
Washing and waxing ...........................372 Weight
Cargo capacity .....................................197
Load limits ............................................ 200
Weight...................................................... 510
Wheels ...................................................... 422
Window glasses ....................................... 81
Window lock switch ................................ 81
Windows Power windows ...................................... 81
Rear window defogger.................... 218
Washer .....................................................173
Windshield wipers..................................173
Windshield wiper de-icer................... 219
Wireless remote control key Replacing the battery....................... 426
WMA disc* .............................................238
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.