2011 Lexus IS250 charging

516
6-1. Specifications
Electrical system
DifferentialFront
Rear
*: “Toyota Genuine Differential Gear Oil” is put in your Lexus vehicle at the fac- tory. Use Lexus approved “T oyota Genuine Differential Gear Oil” or an equiv-
alent of matching quality to satisfy the above specification. 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

573
Alphabetical index
Warning buzzersBrake system ......................................... 461
Open door .......................................... 463
Seat belt reminder ............................ 463
Warning lights Anti-lock brake system .................. 462
Brake assist system .......................... 462
Brake system ......................................... 461
Charging system ............................... 462
Electric power steering warning light ..................................... 462
Low fuel level....................................... 463
Malfunction indicator lamp .......... 462
Master warning light ........................ 463
Open door ........................................... 463
Pretensioners ...................................... 462
Seat belt reminder light .................. 463
SRS airbags .......................................... 462
Tire pressure warning light........................................................ 463
Warning messages AWD system ......................................... 471
Engine oil level .....................................473
Engine oil maintenance...................473
Engine oil pressure........................... 470
Hood ........................................................473
Intuitive parking assist ........... 471, 473
Moon roof ..............................................473
Open door ............................................473
Parking brake .......................................473 Smart access system with
push-button start ............................ 477
Steering lock...........................................471
Tire pressure warning system...................... 471, 473
Trunk ........................................................ 473
Washer fluid ......................................... 473
Washer Checking .............................................. 399
Preparing and checking before winter ..................................... 195
Switch........................................................ 169
Washing and waxing ...........................368
Weight Cargo capacity ...................................... 191
Load limits .............................................. 194
Weight.................................................... 508
Wheels ....................................................... 416
Window glasses ...................................... 75
Window lock switch ............................... 75
Windows Power windows ..................................... 75
Rear window defogger.....................214
Washer .................................................... 169
Windshield wipers................................. 169
Windshield wiper de-icer................... 215
Wireless remote control key Replacing the battery.........................421
WMA disc ............................................... 234W

575
What to do if...
A warning light or indicator
light comes onP. 4 6 1If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or or
P. 4 6 1P. 4 6 2
P. 4 6 3
or
P. 4 6 2P. 4 6 3
P. 4 6 3P. 4 6 3
P. 4 6 2P. 4 6 2
P. 4 6 3P. 4 6 3
P. 4 6 2P. 4 6 2
Brake system warning lightMalfunction indicator lamp
ABS warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
Low fuel level warning lightMaster warning light
SRS warning lightElectric power steering warning
light
Open door warning lightTire pressure warning light
Charging system warning
lightSlip indicator
A warning message is dis-
playedP. 4 7 0If a warning message is displayed