2018 Lexus IS300 hood open

5728-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt
battery, you can jump start your vehicle by following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depe nding on the situa-
tion, the alarm may activate and doors
locked. (
→P. 72)
Open the hood (→ P. 468)
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus deal er or a qualified repair shop.
1
2

5798-2. Steps to take in an emergency
8
When trouble arises
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the h ood, do not open the hood until the steam
has subsided. The engine compartment may be very hot.
●Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans and
belts. Failure to do so may cause the hands or clothing to be caught, resulting in seri-
ous injury.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cool ed down sufficiently. Adding cool coolant
to a hot engine too quickly can cause damage to the engine.
■To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant with foreig n matter (such as sand or dust etc.).
●Do not use any coolant additive.
●IS350 AWD/IS350/IS300 AWD: Do not
loosen the coolant inlet cap or coolant reser-
voir cap while the engine and radiator are hot.
(The coolant inlet cap is located under the
engine cover.)
High temperature steam or coolant could
spray out.
●IS300: Do not loosen the coolant inlet cap,
coolant reservoir cap, or intercooler reser-
voir cap while the engine and radiator are hot.
High temperature steam or coolant could
spray out.

645Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Hands-free system
(for cellular phone) ........................... 363
HD Radio
® system .............................. 330
Head restraints ........................................144
Headlights .................................................194 AFS (Adaptive Front-lighting System) ................................................. 195
Light switch ............................................ 194
Replacing light bulbs ....................... 509
Headlights cleaner............................... 202
Heaters Air conditioning system ..................407
Heated steering wheel ..................... 416
Outside rear view mirrors ...............412
Seat heaters ............................................417
Hill-start assist control ........................ 292
Hood .......................................................... 468 Open ....................................................... 468
Hooks Cargo hooks ........................................425
Coat hooks ............................................ 431
Retaining hooks (floor mat) ............. 26
Horn ............................................................ 148 I/M test ..................................................... 465
Identification
Engine .................................................... 586
Vehicle ................................................... 585
Ignition switch (engine switch) ......... 178
Illuminated entry system ..................... 419
Immobilizer system ................................ 68
Indicators .....................................................78
Initialization Engine oil maintenance data ....... 475
Maintenance ........................................460
Moon roof .............................................. 160
Multi-information display.................. 95
Power windows................................... 155
Tire pressure warning system ...............................485
Initiators (tire pressure warning system) .................................. 491
Inside door handle lights ..................... 418
Inside rear view mirror......................... 149
Instrument panel light control ............ 84
Intercooler ...............................................478
Intercooler coolant............................... 476 Capacity................................................ 590
Checking ............................................... 476
Preparing and checking before winter .................................... 297
Interior lights ............................................ 419 Wattage .................................................595
Intuitive parking assist .......................... 251
HI

648Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Moon roof................................................. 158
Door lock linked moon roof operation ..................... 159
Jam protection function ................... 159
Operation ............................................... 158
MP3 disc.................................................. 336
Multi-information display ..................... 86 Audio system-linked ...........................86
Drive information .................................. 92
Dynamic radar cruise control......239
LDA (Lane Departure Alert with steering control) ...................236
Navigation system-linked .................86
Settings .......................................................95
Warning message .............................529
Navigation system
*
Needle ......................................................... 95
Noise from under vehicle ....................... 8 Odometer .................................................... 81
Oil
Engine oil .............................................. 588
Front differential oil .............................591
Rear differential oil ............................ 592
Opener Hood........................................................468
Trunk .......................................................... 122
Outer foot lights Location ...................................................418
Replacing light bulbs ...................... 509
Wattage .................................................595
Outside rear view mirrors ................... 151 Adjusting and folding ......................... 151
Blind spot monitor ............................ 276
Linked mirror function when reversing.................................. 152
Mirror position memory ..................139
Outside rear view mirror defoggers.............................. 412
Outside temperature .............................. 81
Overheating, Engine ...........................576
N
O

655Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Warning buzzers
Downshifting ......................................... 187
Driver’s and front passenger’s seat belt reminder ..........................524
Key reminder ...................................... 552
Open door ............................................524
Open hood ...........................................532
Open moon roof ...............................542
Open trunk ...........................................532
Open window .....................................542
Rear passengers’ seat belt reminder .............................................524
Warning lights ........................................... 77 ABS........................................................... 522
AFS............................................................524
Brake system........................................ 522
Charging system................................ 522
Driver’s and front passenger’s seat belt reminder light ................524
Electric power steering...................523
Low fuel level .......................................524
Malfunction indicator lamp ........... 522
Master warning light.........................524
Open door ............................................524
Pre-collision system..........................523
Rear passengers’ seat belt reminder lights .................................524
Slip indicator .........................................523
SRS ............................................................ 522
Tire pressure ........................................524
Warning messages .............................. 529 Washer ..................................................... 202
Checking ............................................... 482
Preparing and checking before winter .................................... 297
Switch ...................................................... 202
Washing and waxing ...........................452
Weight Cargo capacity..................................... 175
Load limits ............................................... 175
Weight ....................................................584
Wheels ......................................................496 Replacing wheels .............................. 496
Size ...........................................................593
Window lock switch.............................. 154
Windows.................................................... 154 Power windows....................................154
Rear window defogger .................... 412
Windshield wiper de-icer ................... 412
Windshield wipers ............................... 202 Intermittent windshield wipers with interval adjuster ..... 202
Rain-sensing windshield wipers................................................... 204
Winter driving tips ................................ 297
Wireless remote control ...................... 110 Battery-Saving Function ..................128
Locking/Unlocking ................... 116, 122
Replacing the battery ..................... 500
WMA disc............................................... 336
XM
® Satellite Radio ........................... 330
W
X

656
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)GAS STATION INFORMATION
Auxiliary catch leverTrunk openerFuel filler door
P. 468 P. 122 P. 212
Hood lock release leverTire inflation pressure
P. 468
P. 593
Fuel tank capacity
(Reference) 17.5 gal. (66.3 L, 14.6 Imp. gal.)
Fuel type
Unleaded gasoline only P. 587
Cold tire inflation
pressure P. 593
Engine oil capacity
(Drain and refill —
reference)P. 588
Engine oil type
P. 588