2014 Lexus GS350 ignition

7587-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)Start the engine of the second ve
hicle. Increase the engine speed
slightly and maintain at that le vel 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 seco nd 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 wh ich they were connected.
Once the engine starts, have the vehi cle inspected at your Lexus dealer as
soon as possible.
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
■Charging the battery
The electricity stored in the battery will discharge gradually even when the vehicle is
not in use, due to natural discharge and the draining effects of certain electrical
appliances. If the vehicle is left for a long time, the battery may discharge, and the
engine may be unable to star t. (The battery recharges automatically during driving.)
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GS350_OM_OM30D41U_(U)
8-1. Specifications
Cooling system
Capacity 10.3 qt. (9.7 L, 8.5 Imp.qt.)
Coolant typeUse 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 technology
Do not use plain water alone.
Ignition system
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 the spark plug gap.

822What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. ( P. 1 0 1 )
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
( P. 1 0 2 )
●Is the electronic key battery weak or depleted? ( P. 6 5 9 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 1 74 )
●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. 110)
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

824What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Did you press the engine switch while firmly depressing the
brake pedal? (P. 1 7 3 )
●Is the shift lever in P? ( P. 1 76 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 0 6 )
●Is the steering wheel unlocked? ( P. 177)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
( P. 755)
●Is the battery discharged? ( P. 7 5 7 )
●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 5 1 )
●It is locked automatically to prevent theft of the vehicle.
(P. 1 76 )
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 turned after the engine is stopped

825What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●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. 1 4 7 )
●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 76 )
●The seat belt remind er light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 705)
●The parking brake indicator is on
Is the parking brake released? ( P. 1 8 8 )
Depending on the situation, ot her types of warning buzzer may
also sound. ( P. 702, 712)
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

826What to do if... (Troubleshooting)
GS350_OM_OM30D41U_(U)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. ( P. 7 2 )
To stop the alarm, turn the engi ne switch to IGNITION ON mode
or start the engine.
●Is the electronic key left insid e the vehicle or the moon roof
opened?
Check the message on the multi-information display.
( P. 7 1 9 )
●When a warning light turns on or a warning message is dis-
played, refer to P. 702, 712.
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

832Alphabetical index
GS350_OM_OM30D41U_(U)
Emergency, in case ofIf a warning buzzer sounds..................................................702
If a warning light turns on...............702
If a warning message is displayed .......................................... 712
If the electronic key does not operate properly ........754
If the engine will not start................ 749
If the parking brake cannot be released ........................ 752
If the shift lever cannot be shifted from P ............. 751
If the vehicle battery is discharged ......................................... 757
If you have a flat tire ..........................736
If you think something is wrong.............................................. 700
If your vehicle becomes stuck ...................................................... 764
If your vehicle has to be stopped in an emergency ......... 693
If your vehicle needs to be towed ...................................... 694
If your vehicle overheats ..................761
Emergency flashers ............................. 692
Engine Accessory mode..................................174
Compartment......................................629
Engine switch .........................................173
Hood ........................................................626
How to start the engine ....................173
Identification number .......................769
If the engine will not start................ 749
Ignition switch (engine switch) ..................................173
Overheating ...........................................761 Engine compartment cover............. 630
Engine coolant ...................................... 634
Capacity..................................................772
Checking ............................................... 634
Preparing and checking before winter ....................................304
Engine coolant temperature gauge .......................................................... 81
Engine immobilizer system ..................70
Engine oil ................................................... 631 Capacity................................................. 770
Checking .................................................631
Oil level warning message ............. 721
Oil pressure warning message............................. 713
Preparing and checking before winter ....................................304
Engine oil maintenance data ............. 616
Engine switch ........................................... 173
Enhanced VSC ......................................269
EPS (Electric Power Steering) ..............270 Function .................................................. 270
Warning light ....................................... 703
Warning message............................... 717
Event data recorder (EDR)................... 10

834Alphabetical index
GS350_OM_OM30D41U_(U)
Hands-free system (for cellular phone) ........................... 495
HD Radio
® system .............................. 404
Head restraints ....................................... 138
Headlights .................................................192 Adaptive Front-lighting System (AFS) .................................... 194
Discharge headlights precautions ....................................... 689
Headlight leveling warning message .............................716
Light switch ............................................ 192
Replacing light bulbs ....................... 687
Wattage .................................................. 777
Headlights aim ............................. 674, 818
Headlights cleaner............................... 205
Head-up display....................................... 92
Heaters Air conditioning system ................. 353
Heated steering wheel ....................579
Seat heaters ........................................... 581
Outside rear view mirrors ............. 374
Hill-start assist control .........................277
Horn .............................................................. 191
Hood .......................................................... 626 Open ........................................................626
Warning message ...............................719
Hooks Cargo hooks ......................................... 571
Coat hooks .......................................... 590
Retaining hooks (floor mat) ............. 26
Luggage hook ...................................... 571
Utility hook ............................................592 I/M test ......................................................622
Identification
Engine ..................................................... 769
Vehicle .................................................... 769
Ignition switch (engine switch) ......... 173
Illuminated entry system ................... 563
Immobilizer system .................................70
Indicators ..................................................... 79
Initialization Maintenance ....................................... 616
Moon roof ............................................... 152
Power windows....................................148
Tire pressure warning system ............................... 644
Initiators (tire pressure warning system) ................................ 650
Inside door handle lights ..................... 561
Inside rear view mirror......................... 142
Instrument panel light control ............ 82
Interior lights ............................................ 561
Intuitive parking assist ........................ 240 Function .................................................. 240
Warning message................... 715, 722
Jack Positioning a floor jack.................... 627
Vehicle-equipped jack ....................737
Jack handle ..................................................737
Jam protection function Moon roof ................................................ 151
Power trunk opener and closer ............................................ 125
Power windows....................................148
HI
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