2019 LEXUS GS300H battery

841-2. Hybrid system
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Hybrid battery (traction battery)
●Never resell, hand over or modify the hybrid battery. To prevent accidents, hybrid batteries that have been removed from a disposed vehicle are collected through any
authorized Lexus retailer or Lexus authoriz ed repairer, or any reliable repairer. Do not dispose of the battery yourself.
Unless the battery is properly collected, the following may occur, resulting in death
or serious injury:
• The hybrid battery may be illegally disposed of or dumped, and it is hazardous to the environment or someone may touch a high voltage part, resulting in an electric
shock. • The hybrid battery is intended to be used exclusively with your hybrid vehicle. If the hybrid battery is used outside of your vehicle or modified in any way, accidents
such as electric shock, heat generation, smoke generation, an explosion and elec- trolyte leakage may occur.When reselling or handing over your vehicle, the possibility of an accident is
extremely high because the person receiving the vehicle may not be aware of these dangers.
●If your vehicle is disposed of without the hybrid battery having been removed, there is
a danger of serious electric shock if high voltage parts, cables and their connectors are touched. In the event that your vehicle must be disposed of, the hybrid batterymust be disposed of by any authorized Lexu s retailer or Lexus authorized repairer, or
any reliable repairer. If the hybrid battery is not disposed of properly, it may cause electric shock that can result in death or serious injury.
NOTICE
■Hybrid battery (traction battery) air intake vents
●Do not place objects that will block the air intake vents. The hybrid battery (traction battery) may overheat and be damaged.
●Clean the air intake vents regularly to prevent the hybrid battery (traction battery)from overheating.
●Do not get water or foreign materials in the air intake vents as this may cause a short
circuit and damage the hybrid battery (traction battery).
●Do not carry large amounts of water such as water cooler bottles in the vehicle. If water spills onto the hybrid battery (tract ion battery), the battery may be damaged.
Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.

931-3. Theft deterrent system
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GS450h_300h_OM_OM30F92E_(EE)
For safety and security
■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 remain ing 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. 561)
●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. 533)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

1082. Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
■The meters and display illuminate when
The power switch is in ON mode.
■Instrument panel brightness adjustment
The instrument panel brightness levels when th e tail lights are on and off can be adjusted
individually. However, when the surroundings ar e bright (daytime, etc.), turning on the tail lights will not change the in strument panel brightness.
■Limitation of brightness adjustment
The brightness of the instrument panel lights is automatically adjusted based on the light sensor detecting how bright the surroundings are. However, if the instrument panelbrightness has been manually set to either the brightest or darkest setting, the automatic
adjustment will not be performed.
■Hybrid System Indicator
Charge area
Shows regenerative charging.
Hybrid Eco area
Shows that gasoline engine power is not being used very often.
The gasoline engine will automatically stop
and restart under various conditions.
Eco area
Shows that the vehicle is being driven in an
Eco-friendly manner.
Power area
Shows that an Eco-friendly driving range is
being exceeded (during full power driving etc.)
●Hybrid System Indicator is displayed when the
driving mode is other than the sport mode.
●By keeping the indicator needle within Eco area, more Eco-friendly driving can be
achieved.
●Charge area indicates regeneration* status. Regenerated energy will be used to charge
the battery.
*: When used in this manual, “regeneration”
refers to the conversion of energy created by
the movement of the vehicle into electrical
energy.
Except F SPORT models
F SPORT models
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1172. Instrument cluster
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Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
■G-force display
●The G-force values may not be zero even when the vehicle is parked, such as when it is parked on an incline.
●Depending on the vehicle usage conditions, the brake fluid pressure display may not
reach its maximum reading even though the brake pedal is fully depressed.
●If a 12-volt battery terminal is disconnected and reconnected, the steering amount dis- play may be disabled temporarily. After driv ing the vehicle for a while, the display will
be enabled.
●Depending on the condition of the vehicle, the brake fluid pressure display may change even when the brake pedal is not depressed.
■System check display
After turning the power switch to ON mode , opening image is displayed while system operation is checked. When the system check is complete, the normal screen will return.
■Suspension of the settings display
In the following situations, the settings disp lay using the meter control switches will be suspended.
●When a warning message appears on the multi-information display
●When the vehicle begins to move
■Tire inflation pressure (if equipped)
●It may take a few minutes to display the tire inflation pressure after the power switch is turned to ON mode. It may also take a few minutes to display the tire inflation pressureafter inflation pressure has been adjusted.
●“---” may be displayed if the tire information cannot be determined due to unfavorableradio wave conditions.
●Tire inflation pressure changes with temperature. The displayed values may also be dif-
ferent from the values measured using a tire pressure gauge.
■When disconnecting and reconnecting 12-volt battery terminals
The drive information will be reset.
■Liquid crystal display
 P. 109

1182. Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Caution for use while driving
●When operating the multi-information display while driving, pay extra attention to the safety of the area around the vehicle.
●Do not look continuously at the multi-info rmation display while driving as you may fail to see pedestrians, objects on the road, etc. ahead of the vehicle.
■Cautions during setting up the display
As the hybrid system needs to be operating during setting up the display, ensure that the vehicle is parked in a place with adequate ventilation. In a closed area such as agarage, exhaust gases including harmful carbon monoxide (CO) may collect and enter
the vehicle. This may lead to de ath or a serious health hazard.
NOTICE
■During setting up the display
To prevent 12-volt battery discharge, ensure that the hybrid system is operating while setting up the display features.

1242. Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
Display of the following screens can be switched on or off.
●Audio display
●Route guidance display (vehicles with navigation system)
■Changing the settings
Continue holding the “DISP” but-
ton until the screen changes, and
repeat the process until the set-
ting you want to change is dis-
played.
Customization can be performed
when the head-up display is on and the vehicle is traveling at less than8 km/h (5 mph).
Press the “DISP” button to switch between on and off.
On and off will be switched between each time the button is pressed.
If the button is left alone without being operated for a short time, setting will be fin-
ished automatically.
■Head-up display
●The head-up display may seem dark and hard to see when viewed through sunglasses, especially polarized sunglasses.Adjust the brightness of the head-up display or remove your sunglasses.
●When the head-up display is turned off, it will remain off even if the power switch is turned to ON mode after the power switch has been turned off.
●The startup image will be displayed on the head-up display after the power switch has
been turned to ON mode while the head-up display switch is set to on.
■When the 12-volt battery is disconnected
The customize settings of the head-up display will be reset.
■Head-up display automatic position adjustment
If the display position is recorded into me mory, the head-up display will be automatically adjusted to the desired position. ( P. 178)
Display customization
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1282. Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
These images are examples only, and may vary slightly from actual conditions.
When the vehicle is charging the hybrid battery (traction battery)
When there is no energy flow
Hybrid battery (traction battery) status
LowFullLowFull
Remote Touch screenMulti-information display

1353-1. Key information
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Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
To take out the mechanical key, push
the release button and take the key out.
The mechanical key can only be
inserted in one direction, as the key only has grooves on one si de. If the key can- not be inserted in a lock cylinder, turn it
over and re-attempt to insert it.
After using the mechanical key, store it in the electronic key. Carry the mechan-
ical key together with the electronic key. If the electronic key battery is depletedor the entry function does not operate
properly, you will need the mechanical key. ( P. 527)
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside the card key should be used only if a problem arises, such as when the card key does not operate properly.
●If it is difficult to take out the mechanical key, push down the lock release button using a
pen tip etc. If it is still difficu lt to pull it out, use a coin etc.
Using the mechanical key
●To store the mechanical key in the card key,
insert it while pressing the lock release button.
●If the battery cover is not installed and the bat-
tery falls out or if the battery was removed because the key got wet, reinstall the batterywith the positive terminal facing the Lexus
emblem.