Page 523 of 586
522
6-1. Specifications
IS F_U
Lubrication system
*: The engine oil capacity is a reference quantity to be used when exchanging.
Warm up and turn off the engine, wait more than 5 minutes, and check the oil
level on the dipstick.
■ Engine oil selection
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil” or equivalent to satisfy the follow-
ing grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 5W-30
SAE 5W-30 is the best choice for
good fuel economy and good
starting in cold weather.
If SAE 5W-30 is not available,
SAE 10W-30 oil may be used.
However, it should be replaced
with SAE 5W-30 at the next oil
change.
Oil capacity
(Drain and refill
reference
*)
without filter8.7 qt. (8.2 L, 7.2 Imp. qt.)
with filter 9.8 qt. (9.3 L, 8.2 Imp. qt.)
Outside temperature
Page 525 of 586
524
6-1. Specifications
IS F_U
Ignition system
Electrical system
Differential
*: 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.
Spark plug
Make
GapDENSO FK20HBR11
0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning the engine.
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 capacity1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosity*“Toyota Genuine Differential Gear Oil
LX 75W-85 GL-5” or equivalent
Page 574 of 586

573
Alphabetical index
IS F_U
Engine coolant temperature gauge ....................................................... 154
Engine immobilizer system ................. 88
Engine oil Capacity................................................. 522
Checking ............................................... 406
Preparing and checking before winter ...................................... 218
EPS............................................................... 201
Event data recorder................................ 22
First-aid kit storage belt......................362
Floor mat.................................................... 361
Fluid Brake ...........................................................411
Washer ..................................................... 416
Fog lights Switch ........................................................ 170
Footwell lights........................................ 334
Front fog lights Switch ........................................................ 170
Front passenger occupant
classification system ......................... 108
Front passenger's seat belt
reminder light ...................................... 472
Front seats
Adjustment .............................................. 55
Driving position memory ................. 56
Seat position memory ........................ 60
Front turn signal lights
Switch ..........................................................151
Wattage ................................................. 528 Fuel
Capacity .................................................. 521
Fuel gauge.............................................. 154
Fuel pump shut off system............ 468
Gas station information ................. 584
Information ............................................529
Refueling................................................... 85
Fuel door .....................................................85
Fuel filler door ...........................................85
Fuel pump shut off system.................468
Fuses ..........................................................438
Garage door opener ..........................365
Gas station information......................584
Gauges ...................................................... 154
Glove box ................................................339
Glove box light ......................................339
Hands-free system for mobile phone* ...................................................303
Hazard lights Switch...................................................... 460
Head restraints Adjusting .................................................. 62
Headlight aim ......................................... 452
Headlight cleaner ...................................176
Headlights Discharge headlight
precautions....................................... 458
Replacing light bulbs ........................454
Switch........................................................ 166
Wattage ................................................. 528
F
G
H
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
Page 580 of 586

579
Alphabetical index
IS F_U
Warning lightsAnti-lock brake system .................. 470
Brake assist system .......................... 470
Brake system ....................................... 469
Charging system ............................... 470
Electric power steering system
warning light ..................................... 470
Low fuel level........................................472
Malfunction indicator lamp .......... 470
Master warning light .........................472
Open door ............................................472
Pre-collision system ......................... 470
Pretensioners ...................................... 470
Seat belt reminder light ...................472
SRS airbags .......................................... 470
Tire pressure warning
light.........................................................472 Warning messages
Automatic transmission
fluid ....................................................... 483
Dynamic radar
cruise control.........................481, 483
Engine oil level ................................... 483
Engine oil maintenance ................. 483
Engine oil pressure .......................... 480
Engine oil temperature .................. 480
Headlight................................................. 481
Hood ....................................................... 483
Intuitive parking assist ...........481, 483
Moon roof ............................................ 483
Open door ........................................... 483
Parking brake ..................................... 483
Pre-collision system...............481, 483
Smart access system with push-button start ........................... 489
Steering lock.......................................... 481
Trunk ....................................................... 483
Washer fluid ........................................ 483
Washer
Checking ................................................ 416
Preparing and checking before winter ..................................... 218
Switch.........................................................172
Washing and waxing ...........................384
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.