2013 Lexus GS350 ignition

7447-2. Steps to take in an emergency
GS350_U (OM30C34U)Start the engine of the second ve
hicle. Increase the engine speed
slightly and maintain at that level for approximately 5 minutes to
recharge the battery of your vehicle.
Open and close any of the doors of your vehicle with the engine switch
off.
Maintain the engine speed of the second vehicle and start the engine of
your vehicle by turning the engine switch to IGNITION ON mode.
Once the vehicle’s engine has started, remove the jumper cables in the
exact reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at your Lexus dealer as
soon as possible.
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4
5
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GS350_U (OM30C34U)
8-1. Specifications
Cooling system
Capacity10.3 qt. (9.7 L, 8.5 Imp.qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate
coolant with long-life hybrid organic acid tech-
nology
Do not use plain water alone.
Ignition system
Spark plug
MakeDENSO FK20HBR11
Gap0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

804What to do if... (Troubleshooting)
GS350_U (OM30C34U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. (→P. 99)
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
(→ P. 1 0 0 )
●Is the electronic key battery weak or depleted? ( →P. 646)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( →P. 172)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the elec-
tronic key on your person.
●The function may not operate properly due to the condition of
the radio wave. ( →P. 1 0 8 )
If you have a problem, check the following before contacting your
Lexus dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked

806What to do if... (Troubleshooting)
GS350_U (OM30C34U)
●Did you press the engine switch while firmly depressing the
brake pedal? (→P. 171)
●Is the shift lever in P? ( →P. 1 74 )
●Is the electronic key anywhere detectable inside the vehicle?
(→ P. 1 0 4 )
●Is the steering wheel unlocked? ( →P. 175)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
(→ P. 74 1 )
●Is the battery discharged? ( →P. 743)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the engine switch in IGNITION ON mode
(→ P. 7 3 7 )
●It is locked automatically to prevent theft of the vehicle.
(→P. 1 74 )
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the engine is stopped

807What to do if... (Troubleshooting)
GS350_U (OM30C34U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (→P. 145)
●The auto power off function will be operated if the vehicle is left
in ACCESSORY or IGNITION ON mode (the engine is not
running) for a period of time. ( →P. 1 74 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(→ P. 689)
●The parking brake indicator is on
Is the parking brake released? (→ P. 1 8 6 )
Depending on the situation, othe r types of warning buzzer may
also sound. ( →P. 686, 697)
The windows do not open or close by operating the power win-
dow switches
The engine switch is turned off automatically
A warning buzzer sounds during driving

808What to do if... (Troubleshooting)
GS350_U (OM30C34U)

●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. (→P. 7 0 )
To stop the alarm, turn the engine switch to IGNITION ON mode
or start the engine.
●Is the electronic key left inside the vehicle or the moon roof
opened?
Check the message on the multi-information display.
(→ P. 7 0 4 )
●When a warning light turns on or a warning message is dis-
played, refer to P. 686, 697.
An alarm is activated
and the horn sounds
A warning buzzer sounds wh en leaving the vehicle
A warning light turns on or a warning message is displayed

814Alphabetical index
GS350_U (OM30C34U)
Emergency, in case ofIf the electronic key
does not operate properly ........740
If the engine will not start................ 735
If the parking brake cannot be released........................738
If the shift lever cannot be shifted from P ............ 737
If the vehicle battery is discharged ......................................... 743
If the warning buzzer sounds................................................. 686
If the warning light turns on.......... 686
If the warning message is displayed ........................................697
If you have a flat tire .......................... 722
If you think something is wrong.............................................. 684
If your vehicle becomes stuck ...................................................... 749
If your vehicle needs to be towed ...................................... 678
If your vehicle overheats ................ 747
Emergency flashers ............................. 676
Engine Accessory mode.................................. 172
Compartment ....................................... 615
Engine switch .......................................... 171
Hood ......................................................... 612
How to start the engine ..................... 171
Identification number .......................753
If the engine will not start................ 735
Ignition switch (engine switch) ................................... 171
Overheating ......................................... 747 Engine compartment cover............... 616
Engine coolant ...................................... 620
Capacity ................................................. 756
Checking ............................................... 620
Preparing and checking before winter ....................................298
Engine coolant temperature gauge ......................................................... 79
Engine immobilizer system ................. 68
Engine oil ................................................... 617 Capacity ................................................. 754
Checking ................................................. 617
Oil level warning message ........... 706
Oil pressure warning message.......................... 698
Preparing and checking
before winter ....................................298
Engine oil maintenance data ........... 602
Engine switch............................................. 171
Enhanced VSC ..................................... 268
EPS (Electronic Power Steering) .........269
Function .................................................. 269
Warning light ....................................... 687
Warning message............................. 702
Event data recorder (EDR)................... 10

816Alphabetical index
GS350_U (OM30C34U)
Hands-free system (for cellular phone) ........................... 485
HD Radio
® system .............................. 394
Head restraints ........................................136
Headlights ................................................ 190 Adaptive Front-lighting System (AFS) .................................... 192
Discharge headlights precautions........................................673
Headlight leveling warning message .......................... 700
Light switch ............................................ 190
Replacing light bulbs ..........................671
Wattage ....................................................761
Headlights aim.........................................661
Headlights cleaner............................... 203
Head-up display....................................... 90
Heaters Air conditioning system ..................345
Heated steering wheel ................... 566
Seat heaters ......................................... 568
Outside rear view mirrors ............ 365
Hill-start assist control ........................ 276
Horn ............................................................ 189
Hood ............................................................612
Open ......................................................... 612
Warning message .............................704
Hooks Cargo hooks ....................................... 558
Coat hooks ...........................................576
Retaining hooks (floor mat) ............. 26
Luggage hook .................................... 558
Utility hook ........................................... 578 I/M test ..................................................... 608
Identification
Engine ..................................................... 753
Vehicle .................................................... 753
Ignition switch (engine switch) ...........171
Illuminated entry system ................... 550
Immobilizer system ................................ 68
Indicators ..................................................... 77
Initialization
Maintenance ........................................602
Moon roof .............................................. 150
Power windows....................................146
Tire pressure warning system .................................631
Initiators (tire pressure
warning system) .................................637
Inside door handle lights ................... 548
Inside rear view mirror.........................140
Instrument panel light control ............ 80
Interior lights .......................................... 548
Intuitive parking assist ........................ 238
Function .................................................. 238
Warning message.................700, 707
Jack Positioning a floor jack......................613
Vehicle-equipped jack ....................723
Jack handle ..................................................723
Jam protection function Moon roof ...............................................149
Power trunk opener and closer ............................................ 123
Power windows....................................146
HI
J