2017 Lexus GS350 fuel

507
7When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
7-1. Essential informationEmergency flashers ................. 508
If your vehicle has to be stopped
in an emergency ..................... 509 7-2. Steps to take in an
emergency
If your vehicle needs to be towed................................. 510
If you think something is wrong........................................ 516
Fuel pump shut off system ........517
If a warning light turns on or a warning buzzer
sounds........................................... 518
If a warning message is displayed ................................ 524
If you have a flat tire (vehicles with spare tire) ......................... 557
If you have a flat tire (vehicles without spare tire)................... 573
If the engine will not start ........590
If the parking brake cannot be released................. 592
If the electronic key does not operate properly ..................... 594
If the vehicle battery is discharged ............................. 597
If your vehicle overheats ......... 602
If the vehicle becomes stuck .........................608

517
7
7-2. Steps to take in an emergency
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is activated.Turn the engine switch to ACCESSORY mode or turn it off.
Restart the engine.
To minimize the risk of fuel leakage when the engine stalls or when an airbag
inflates upon collisio n, the fuel pump shut off system stops the supply of fuel to
the engine.
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system h as been damaged and
is in need of repair. Do not restart the engine.
1
2

5207-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
(Flashes)
(If equipped)
“AFS OFF” indicator
Indicates a malfunction in the adaptive front-lighting system
 Have the vehicle inspected by an y authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
(Flashes)
(GS350/GS200t only)
Brake hold operated indicator
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by an y authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
(Flashes)
Parking brake indicator Indicates a malfunction in the parking brake system
 Have the vehicle inspected by an y authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
Brake system warning light Indicates a malfunction in the parking brake system
 Have the vehicle inspected by an y authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
(GS F only)
Open door warning light (warning buzzer) *1
Indicates that a door or the trunk is not fully closed
 Check that all the doors are closed.
Low fuel level warning light
Indicates remaining fuel is approximately 9.9 L (2.6 gal.,
2.2 Imp.gal.) or less
 Refuel the vehicle.
Seat belt reminder light (warning buzzer) *2
Warns the driver and/or front passe nger to fasten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fa stened to make the warning light
(warning buzzer) off.
Master warning light
A buzzer sounds and the warning light comes on and flashes to
indicate that the master warnin g system has detected a malfunc-
tion.
 P. 524
Warning lightWarning light/Details/Actions

521
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
* 1
: Open door warning buzzer:
 P. 524
* 2
: Driver’s and front passenger’s seat belt buzzer:
The driver’s and front passenger’s seat belt buzzer sounds to alert the driver and front
passenger that his or her seat belt is not fastened. The buzzer sounds intermittently for
30 seconds after the vehicle reaches a speed of 20 km/h (12 mph). Then, if the seat
belt is still unfastened , the buzzer will sound in a different tone for 90 more seconds.
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the warn-
ing light may not operate properly.
■If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes completely empty.
If the fuel tank is empty, refuel the vehicle immediately. The malfunction indicator lamp
will go off after several trips.
If the malfunction indicator la mp does not go off, contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer as soon as possible.
(If equipped)
Tire pressure warning light When the light comes on:
Low tire inflation pressure such as

5487-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
Indicates that the washer fluid level is low Add washer fluid.
Indicates that remaining fuel is approximately 9.9 L
(2.6 gal., 2.2 Imp.gal.) or less Refuel the vehicle.
Indicates that the outside temperature is approximately 3C (37 F) or lower
A buzzer also sounds.
 Drive carefully, as the road may be icy.
(GS350/GS200t only)
Indicates that the engine oil is scheduled to be changed
 Check the engine oil and change if necessary. After
changing the engine oil, the oil change system
should be reset. ( P. 461)
(The indicator will not work properly unless the oil
maintenance data has been reset.)
(If equipped)
Indicates that the fuel in jectors require maintenance
soon  Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer replenish the
injector cleaner to the fuel tank and reset the mes-
sage as necessary.
(GS350/GS200t only)
Indicates that the engine oil and oil filter should be
changed Have the engine oil and oil filter checked and/or
changed by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. After
changing the engine oil, the oil change system
should be reset. ( P. 461)
Warning messageDetails/Actions

549
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
(If equipped)
Indicates that the fuel injectors require maintenance  Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer replenish the
injector cleaner and reset the message.
(If equipped)
Indicates that the Automatic High Beam switch was
pressed while the low beams were onTurn the high beam headlights on before pressing
the Automatic High Beam switch.
(If equipped)
Indicates that the Adaptive High-beam System switch
was pressed while th e low beams were on
 Turn the high beam headlights on before pressing
the Adaptive High-beam System switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-crash braking and pre-
crash brake assist are stopped (The pre-crash warning
function will be operational) Turn the VSC on. ( P. 378)
Warning messageDetails/Actions

5907-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
If the engine will not start
One of the following may be the cause of the problem: ●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting procedures. ( P. 240)
● There may be a malfunction in the engine immobilizer system. ( P. 86)
One of the following may be the cause of the problem: ● The battery may be discharged. ( P. 597)
● The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical problem
such as electronic key battery depletion or a blown fuse. However, an interim
measure is available to start the engine. ( P. 591)
One of the following may be the cause of the problem: ● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 597)
● There may be a malfunction in the steering lock system.
Contact any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer if the problem cannot be repaired , or if repair procedures are unknown.
If the engine will not start even though correct starting procedures are being
followed ( P. 240), consider each of the following points:
The engine will not start even thou gh the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not so und or sounds at a low volume.
The starter motor does not turn over
The starter motor does not turn over , the interior lights and headlights
do not turn on, or the horn does not sound.

611
8Vehicle specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) ....................612
Fuel information.......................... 632
8-2. Customization Customizable features ............ 634
8-3. Initialization Item to initialize ............................ 651