Lexus GS300h 2015 Owners Manual

911-3. Theft deterrent system
1
GS450h_300h_OM_OM30F00E_(EE)
For safety and security
Do one of the following to deactivate or stop the alarm:
●Unlock the doors or open the trunk using the entry function or wireless
remote control.
●Turn the power switch to ACCESSORY or ON mode, or start the hybrid sys-
tem. (The alarm will be deactivated or stopped after a few seconds.)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing:
●Nobody is in the vehicle.
●The windows and moon roof (if equipped) are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
Deactivating or st opping the alarm

921-3. Theft deterrent system
GS450h_300h_OM_OM30F00E_(EE)
■Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, the door may automatically lock:
●When a person remaining in the vehicle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the 12-volt battery.
■Customization
The alarm can be set to deactivate when the mechanical key is used to unlock.
(Customizable features: →P. 5 8 1 )
●The doors are unlocked using the mechanical
key, or the trunk is opened using the mechani-
cal key.
●A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using an
inside lock button.
●The 12-volt battery is recharged or replaced
when the vehicle is locked. ( →P. 5 5 4 )
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of
the system cannot be guaranteed.

931-3. Theft deterrent system
1
GS450h_300h_OM_OM30F00E_(EE)
For safety and security
●The intrusion sensor detects intruders or movement in the vehicle.
●The tilt sensor detects changes in vehicle inclination, such as when the vehicle
is towed away.
This system is designed to deter and pr event vehicle theft but does not guarantee
absolute security against all intrusions.
■Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically when the alarm is
set. ( →P. 9 0 )
■Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle, make sure to
stop the intrusion sensor and tilt sensor before setting the alarm, as they will
respond to movement inside the vehicle.
Turn the power switch off.
Press the intrusion sensor and tilt
sensor cancel switch.
A message will be shown on the
multi-information display in the
instrument cluster.
Press the switch again to re-enable
the intrusion sensor and tilt sensor.
Intrusion sensor (if equipped) and tilt sensor (if equipped)
1
2

941-3. Theft deterrent system
GS450h_300h_OM_OM30F00E_(EE)
■Canceling and automatic re-enabling of the intrusion sensor and tilt sensor
●The alarm will still be set even when the intr usion sensor and tilt sensor are canceled.
●After the intrusion sensor and tilt sensor are canceled, pressing the power switch or
unlocking the doors using the entry functi on, wireless remote control or mechanical
key will re-enable the intrusion sensor and tilt sensor.
●The intrusion sensor and tilt sensor will au tomatically be re-enabled when the alarm
system is deactivated.
■Intrusion sensor detection considerations (if equipped)
The sensor may trigger the alarm in the following situations:
• The movement of people outside the vehicle
●Places with extreme vibrations or noises, or situations in which the vehicle is subject to
repeated impacts or vibrations:
• When parked in a parking garage
• When the vehicle is transported by a ferry, trailer, train, etc.
• When ice adhering to the vehicle is removed
• When the vehicle is in an automatic or high-pressure car wash
• When in a hail or lightning storm
●A window or the moon roof (if equipped) is
open.
In this case, the sensor may detect the follow-
ing:
• Wind or the movement of objects such asleaves and insects inside the vehicle
• Ultrasonic waves emitted from devices such as the intrusion sensors of other vehi-
cles
●Unstable items, such as dangling accessories
or clothes hanging on the coat hooks, are in
the vehicle.

951-3. Theft deterrent system
1
GS450h_300h_OM_OM30F00E_(EE)
For safety and security
■Tilt sensor detection considerations (if equipped)
The sensor may trigger the alarm in the following situations:
●The vehicle is transported by a ferry, trailer, train, etc.
●The vehicle is parked in a parking garage.
●The vehicle is inside a car wash that moves the vehicle.
●Any of the tires loses air pressure.
●The vehicle is jacked up.
●An earthquake occurs or the road caves in.
NOTICE
■To ensure the intrusion sensor function correctly
●Installing accessories other than genuine Lexus parts or leaving objects between the
driver’s seat and front passenger’s seat may reduce the detection performance.
●To ensure that the sensors operate properly,
do not touch or cover them.
●Do not spray air fresheners or other products
directly into the sensor holes.

961-3. Theft deterrent system
GS450h_300h_OM_OM30F00E_(EE)

97
2Instrument cluster
GS450h_300h_OM_OM30F00E_(EE)
2. Instrument clusterWarning lights and indicators .............................. 98
Gauges and meters ................... 104
Multi-information display ........... 111
Head-up display ............................ 119
Energy monitor/ consumption screen ................126

982. Instrument cluster
GS450h_300h_OM_OM30F00E_(EE)
Warning lights and indicators
XExcept F SPORT models
XF SPORT models
The units used on the speedometer may differ depending on the target region.
The warning lights and indicators on the instrument cluster, center panel and
outside rear view mirrors inform the driver of the status of the vehicle’s vari-
ous systems.
For the purpose of explanation, the following illustration displays all warning
lights and indicators illuminated.

992. Instrument cluster
2
Instrument cluster
GS450h_300h_OM_OM30F00E_(EE)
Warning lights inform the driver of malfunctions in the indicated vehicle’s sys-
tems.
Wa r n i n g l i g h t s
*1
Brake system warning light
(→ P. 4 76 )
*2, 3
(If equipped)
“AFS OFF” indicator
(→ P. 4 7 8 )
*2, 4Charging system warning
light ( →P. 4 76 )*1, 3Brake hold operated
indicator ( →P. 4 7 8 )
*2Malfunction indicator
lamp ( →P. 4 76 )*3Parking brake indicator
(→ P. 4 7 8 )
*2SRS warning light
(→ P. 4 76 )*1Brake system warning light
(→ P. 4 7 8 )
*1ABS warning light
(→ P. 477)Low fuel level warning light
(→ P. 4 7 8 )
*2Electric power steering
system warning light
(→ P. 477)Seat belt reminder light
(→ P. 4 7 8 )
*2, 3
(If equipped)
PCS (Pre-Crash Safety
system) warning light
(→ P. 477)*2
Master warning light
(→ P. 4 7 8 )
*1
Slip indicator ( →P. 477)
*2
(If equipped)
Tire pressure warning light
(→ P. 4 7 9 )

1002. Instrument cluster
GS450h_300h_OM_OM30F00E_(EE)
*1: These lights turn on when the power switch is turned to ON mode to indicate that asystem check is being performed. They will turn off after the “READY” indicator turns
on. There may be a malfunction in a system if a light does not come on, or turn off.
Have the vehicle inspected by any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional.
*2: These lights turn on when the power switch is turned to ON mode to indicate that a system check is being performed. They will turn off after the hybrid system is on, or
after a few seconds. There may be a malfunction in a system if a light does not come
on, or turn off. Have the vehicle inspected by any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
*3: The light flashes to indicate a malfunction.
*4:F SPORT models