warning LEXUS GS300H 2019 Owner's Guide

821-2. Hybrid system
GS450h_300h_OM_OM30F92E_(EE)
■If a warning light comes on, a warning message is displayed, or the 12-volt battery is dis-
connected
The hybrid system may not start. In this case, try to start the system again. If the “READY” indicator does not come on, contact any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
■Running out of fuel
When the vehicle has run out of fuel and the hybrid system cannot be started, refuel the
vehicle with at least enough gasoline to make the low fuel level warning light ( P. 462) go off. If there is only a small amount of fuel, the hybrid system may not be able to start.(The standard amount of fuel is about 9.9 L [2 .6 gal., 2.2 Imp.gal.], when the vehicle is on
a level surface. This value may vary when the vehicle is on a slope. Add extra fuel when the vehicle is inclined.)
■Electromagnetic waves
●High voltage parts and cables on hybrid ve hicles incorporate electromagnetic shield- ing, and therefore emit approximately the same amount of electromagnetic waves asconventional gasoline powered vehicles or home electronic appliances.
●Your vehicle may cause sound interference in some third party-produced radio parts.
■Hybrid battery (traction battery)
The hybrid battery (traction battery) has a lim ited service life. The lifespan of the hybrid
battery (traction battery) can change in accordance with driving style and driving condi- tions.
■Declaration of conformity
This model conforms to hydrogen emissions according to regulation ECE100 (Battery electric vehicle safety).
WARNING
■High voltage precautions
This vehicle has high voltage DC and AC systems as well as a 12-volt system. DC and
AC high voltage is very dangerous and can cause severe burns and electric shock that may result in death or serious injury.
●Never touch, disassemble, remove or replace the high voltage parts, cables or their
connectors.
●The hybrid system will become hot after starting as the system uses high voltage. Be careful of both the high voltage and the hi gh temperature, and always obey the warn-
ing labels attached to the vehicle.
●Never try to open the service plug access
hole located behind the rear seats. The ser- vice plug is used only when the vehicle is ser-viced and is subject to high voltage.

831-2. Hybrid system
1
GS450h_300h_OM_OM30F92E_(EE)
For safety and security
WARNING
■Road accident cautions
Observe the following precautions to reduce the risk of death or serious injury:
●Pull your vehicle off the road, apply the parking brake, shift the shift lever to P, and
turn the hybrid system off.
●Do not touch the high voltage parts, cables and connectors.
●If electric wires are exposed inside or outside your vehicle, an electric shock may
occur. Never touch exposed electric wires.
●If a fluid leak occurs, do not touch the fluid as it may be strong alkaline electrolyte from the hybrid battery (traction battery). If it comes into contact with your skin or
eyes, wash it off immediately with a large amount of water or, if possible, boric acid solution. Seek immediate medical attention.
●If a fire occurs in the hybrid vehicle, leave the vehicle as soon as possible. Never use a
fire extinguisher that is not meant for electric fires. Using even a small amount of water may be dangerous.
●If your vehicle needs to be towed, do so with rear wheels raised. If the wheels con-
nected to the electric motor (traction motor) are on the ground when towing, the motor may continue to generate electricity. This may cause a fire. ( P. 454)
●Carefully inspect the ground under the vehicle. If you find that liquid has leaked onto
the ground, the fuel system may have been damaged. Leave the vehicle as soon as possible.

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.

901-3. Theft deterrent system
GS450h_300h_OM_OM30F92E_(EE)
Double locking system
Vehicles employing this system have
labels on the window glass of both front
doors.
Turn the power switch off, have all the passengers exit the vehicle and ensure that
all the doors are closed.
Using the entry function:
Touch the sensor area on the outside door handle twice within 5 seconds.
Using the wireless remote control:
Press twice within 5 seconds.
Using the entry function: Hold the outside door handle.
Using the wireless remote control: Press .
Unauthorized access to the vehicle is pr evented by disabling the door unlock-
ing function from both the interior and exterior of the vehicle.
Setting the double locking system
Canceling the double locking system
WARNING
■Double locking system precaution
Never activate the double locking system when there are people in the vehicle because all the doors cannot be opened from inside the vehicle.

97
2Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
2. Instrument cluster
Warning 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_OM30F92E_(EE)
Warning lights and indicators
Except F SPORT models
F SPORT models
The units used on the speedometer may differ depending on the target region.
The warning lights and indicators on th e instrument cluster, center panel and
outside rear view mirrors inform the driv er of the status of the vehicle’s vari-
ous systems.
For the purpose of explanation, the foll owing illustration displays all warning
lights and indicators illuminated.

992. Instrument cluster
2
Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
Warning lights inform the driver of malfunctions in the indicated vehicle’s sys-
tems.
Warning lights
*1
Brake system warning light
( P. 460)
*2, 3
(If equipped)
“AFS OFF” indicator
( P. 462)
*2, 4Charging system warning
light ( P. 460)
*1, 3Brake hold operated
indicator ( P. 462)
*2Malfunction indicator lamp ( P. 460)
*3Parking brake indicator ( P. 462)
*2SRS warning light ( P. 460)
*1Brake system warning light ( P. 462)
*1ABS warning light
( P. 461)
Low fuel level warning light
( P. 462)
*2Electric power steering system warning light
( P. 461)
Seat belt reminder light ( P. 462)
*2, 3
(If equipped)
PCS (Pre-Crash Safety system) warning light ( P. 461)
*2
Master warning light
( P. 462)
*1
Slip indicator (P. 461)
*2
(If equipped)
Tire pressure warning light ( P. 463)
(If equipped)
LKA warning light ( P. 463)

1012. Instrument cluster
2
Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
The indicators inform the driver of the operating state of the vehicle’s various sys-
tems.
Indicators
Turn signal indicator ( P. 231) Rear fog light indicator ( P. 250)
Tail light indicator
( P. 237)
Cruise control indicator
( P. 304, 308)
Headlight high beam indicator ( P. 238)(If equipped)
Dynamic radar cruise control indicator
( P. 296)
(If equipped)
Automatic High Beam indicator ( P. 246)/
Adaptive High-beam System indicator ( P. 242)
Cruise control “SET” indicator ( P. 296, 308)
Front fog light indicator ( P. 250)(If equipped)
LKA indicator (P. 286)
*1
(If equipped)
Lexus parking assist-sensor indicator
*2
Brake hold operated indicator ( P. 235)
*3
(If equipped)
“AFS OFF” indicator ( P. 239)
*3, 4“PASSENGER AIR BAG” indicator
( P. 54)
*2, 5
Slip indicator (P. 326)*6Low outside temperature indicator ( P. 104)
*2VSC OFF indicator ( P. 327)“READY” indicator ( P. 217)
*3, 7
(If equipped)
PCS (Pre-Crash Safety system) warning light ( P. 273) EV indicator (P. 78)

1032. Instrument cluster
2
Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
*1: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”
*2: These lights turn on when the power switch is turned to ON mode to indicate that a
system check is being perfor med. 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 author ized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
*3: 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 malfunct ion in a system if the lights do not come
on, or turn off. Have the vehicle inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
*4: This light illuminates on the Center panel.
*5: The light flashes to indicate that the system is operating.
*6: When the outside temperature is approximately 3 C (37F) or lower, the indicator
will flash for approximately 10 seconds, then stay on.
*7: The light turns on when the system is turned off.
*8: In order to confirm operation, the BSM outside rear view mirror indicators illuminate
in the following situations:
• When the power switch is in ON mode, the BSM function is enabled on of the multi-information display.
• When the BSM function is enabled on of the multi-information display, the
power switch is turned to ON mode.
If the system is functioning correctly, the BSM outside rear view mirror indicators will turn off after a few seconds.
If the BSM outside rear view mirror indicators do not illuminate or do not turn off, there may be a malfunction with the system. If this occurs, have the vehicle inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
*9: This light illuminates on the outside rear view mirrors.
WARNING
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not come on when you start the hybrid system, this could mean that these systems are not available to helpprotect you in an accident, which could result in death or serious injury. Have the vehi-
cle inspected by any authorized Lexus retaile r or Lexus authorized repairer, or any reli- able repairer immediately if this occurs.

1052. Instrument cluster
2
Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
Engine coolant temperature gauge
Displays the engine coolant temperature
Tachometer/Hybrid System Indicator
Tachometer: Displays the engine speed in revolutions per minute.
Hybrid System Indicator: Displays hybrid system outp ut or regeneration level (P. 108)
Outside temperature
Displays the outside temperature within the range of -40C (-40F) to 50C (122 F). Low outside temperature indicator comes on when the ambient temperature
is 3 C (37F) or lower.
Clock
Time displayed is linked to the analog clock on the instrument panel. (P. 378)
Speedometer
Displays the vehicle speed
Fuel gauge
Displays the quantity of fuel remaining in the tank
Multi-information display
Presents the driver with a variety of driving-related data (P. 111)
Displays warning messages in case of a malfunction (P. 466)
Odometer, trip meter, maintenance required information and speed warning
display
Odometer: Displays the total distance the vehicle has been driven
Trip meter:
Displays the distance the vehicle has been driven since the meter was last reset. Trip meters “A” and “B” can be used to record and display different distances inde-pendently.
Maintenance required information: • Displays the maintenance required information when the power switch is inON mode.
• It can be reset from of the multi-information display. ( P. 111)
Speed warning:
Displays a warning when the speed set in of the multi-information display is exceeded. ( P. 562)
Shift position and shift range
Displays the selected shift position or selected shift range (P. 224)
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