2014 Lexus GS250 engine

6127-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(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. 2 3 7 )
●There may be a malfunction in the engine immobilizer system.
(→ P. 8 0 )
One of the following may be the cause of the problem:
●The battery may be discharged. ( →P. 6 2 1 )
●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. How-
ever, an interim measure is available to start the engine. ( →P. 613)
If the engine will not start even th ough correct starting procedures are
being followed ( →P. 237), consider each of the following points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
The starter motor does not turn over
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6137-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
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. 6 2 1 )
●There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is functioning nor-
mally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depress-
ing the brake pedal firmly.
Even if the engine can be started using the above steps, the system may be
malfunctioning. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another du ly qualified and equipped professional.
The starter motor does not turn ov er, the interior lights and head-
lights do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4
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6147-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
If the shift lever cannot be shifted from P
Set the parking brake.
Turn the engine switch to ACCESSORY mode.
Depress the brake pedal.
Press the shift lock override but-
ton.
The shift lever can be shifted while the
button is pressed.
If the shift lever cannot be shifted with your foot on the brake pedal,
there may be a problem with the shift lock system (a system to prevent
accidental operation of the shift lever). Have the vehicle inspected by
any authorized Lexus dealer or repair er, or another duly qualified and
equipped professional immediately.
The following steps may be used as an emergency measure to ensure
that the shift lever can be shifted:
1
2
3
4
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615
7
7-2. Steps to take in an emergency
When trouble arises
GS350_250_OM_OM30E16E_(EE)
If the parking brake cannot be released
●Shift the shift lever to P.
●Turn the engine switch off.
●Check that the parking brake indicator is off.
●Chock the tires.
In the event that the battery is discha
rged or switch operation does not
release the parking brake, the parking brake can be released manually
using the procedure below. This procedure should be performed only if
necessary, such as in an emergency.
If the switch cannot be operated even when the battery is normal, the
parking brake system may be ma lfunctioning. Have the vehicle
inspected by any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional immediately.
Before releasing the parking brake manually
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6177-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
■Manual operation of the parking brake
The parking brake cannot be set manually.
CAUTION
■When releasing the parking brake manually
●Shift the shift lever to P, turn the engine switch off and chock the tires. Failure to
do so may cause the vehicle to move, resulting in an accident.
●Turn the engine switch off and check that the parking brake indicator is off. Failure
to do so may cause the system to operate and turn the inserted parking brake
release tool, resulting in an injury.
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6187-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
If the electronic key does not operate properly
■Doors
Use the mechanical key
(→ P. 123) in order to perform the
following operations:
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks all the doors
Opens the windows and moon
roof (turn and hold)
*
*
: This setting must be customized at any authorized Lexus dealer or
repairer, or another duly qualified
and equipped professional.
If communication between the el ectronic key and vehicle is inter-
rupted ( →P. 134) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireless remote
control cannot be used. In such cases, the doors and trunk can be
opened and the engine can be st arted by following the procedure
below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
1
2
3
4
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6197-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
■Tr u n k
Turn the mechanical key clock-
wise to open.
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of
the electronic key to the engine
switch.
The engine switch will turn to IGNI-
TION ON mode.
When the smart entry & start system
is deactivated in customization setting,
the engine switch will turn to ACCES-
SORY mode.
Firmly depress the brake pedal and check that is shown on the
multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional.
Starting the engine
1
2
3
4
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6207-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stop-
ping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted. (→P. 4 8 9 )
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the
alarm may be triggered.
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed.( →P. 2 3 8 )
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features: →P. 6 5 0 )
●Check if battery-saving mode is set. If it is set, cancel the function. ( →P. 1 3 3 )
CAUTION
■When using the mechanical key and operating the power windows and moon
roof
Operate the power window or moon roof after checking to make sure that there is
no possibility of any passenger having any of their body parts caught in the window
or moon roof.
Also, do not allow children to operate the mechanical key. It is possible for children
and other passengers to get caught in power window and moon roof.
3
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