2018 Lexus GS450h warning lights

481-1. For safe use
GS450h_OM_OM30G62U_(U)
■Child restraint system with infant*5
■Unoccupied
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF”
indicator lights“AIR BAG OFF”*6
SRS warning lightOff
Seat belt reminder lightOff*2 or
flashing
*3
Devices
Front passenger airbagDeactivated
Side airbag
on the front passenger seat
ActivatedCurtain shield airbag
in the front passenger side
Front passenger knee airbagDeactivated
Front passenger’s seat belt pretensionerActivated
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“AIR BAG OFF”
SRS warning light
Off
Seat belt reminder light
Devices
Front passenger airbagDeactivated
Side airbag
on the front passenger seat
ActivatedCurtain shield airbag
in the front passenger side
Front passenger knee airbagDeactivated
Front passenger’s seat belt pretensionerActivated

491-1. For safe use
GS450h_OM_OM30G62U_(U)
1
For safety and security
■There is a malfunction in the system
*1: The system judges a person of adult size as an adult. When a smaller adult sits in
the front passenger seat, the system ma y not recognize him/her as an adult
depending on his/her physique and posture.
*2: In the event the front passenger is wearing a seat belt.
*3: In the event the front passenger does not wear a seat belt
*4: For some children, child in seat, child in booster seat or child in convertible seat,
the system may not recognize him/her as a child. Factors which may affect this can
be the physique or posture.
*5: Never install a rear-facing child restraint system on the front passenger seat. A for-
ward-facing child restraint sy stem should only be installed on the front passenger
seat when it is unavoidable. (→ P. 53)
*6: In case the indicator light is not illuminated, consult this manual on how to install the
child restraint system properly. ( →P. 57)
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“AIR BAG OFF”
SRS warning light
On
Seat belt reminder light
Devices
Front passenger airbagDeactivated
Side airbag
on the front passenger seat
ActivatedCurtain shield airbag
in the front passenger side
Front passenger knee airbagDeactivated
Front passenger’s seat belt pretensionerActivated

81
GS450h_OM_OM30G62U_(U)
Instrument cluster2
2. Instrument cluster Warning lights and indicators .............................. 82
Gauges and meters .....................88
Multi-information display .......... 95
Head-up display .......................... 103
Energy monitor/ consumption screen ............... 109

82
GS450h_OM_OM30G62U_(U)
2. Instrument cluster
Warning lights and indicators
Except F SPORT models
F SPORT models
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 illustrations display all warning
lights and indicators illuminated.

GS450h_OM_OM30G62U_(U)
832. Instrument cluster
2
Instrument cluster
Warning lights inform the driver of malfunctions in the indicated vehicle systems.
Warning lights
*1
(U.S.A.)
Brake system warning light
(→ P. 404)*1
Slip indicator ( →P. 405)
*1
(Canada)
Brake system warning light
(→ P. 404)*2, 5
(If equipped)
“AFS OFF” indicator
(→ P. 405)
*2, 3Charging system warning
light ( →P. 404)*1, 5Brake hold operated
indicator ( →P. 405)
*2
(U.S.A.)
Malfunction indicator lamp
(→ P. 404)*5
(U.S.A.)
Parking brake indicator
(→ P. 406)
*2
(Canada)
Malfunction indicator lamp
(→ P. 404)*5
(Canada)
Parking brake indicator
(→ P. 406)
*2SRS warning light
(→ P. 404)*1Brake system warning light
(→ P. 406)
*1
(U.S.A.)
ABS warning light
(→ P. 404)Low fuel level warning light
(→ P. 406)
*1
(Canada)
ABS warning light
(→ P. 404)Seat belt reminder light
(→ P. 406)
*2Electric power steering
system warning light
(→ P. 405)*2Master warning light
(→ P. 406)
*2, 4
(If equipped)
PCS (Pre-Collision
System) warning light
(→ P. 405)*2Tire pressure warning light
(→ P. 406)

84
GS450h_OM_OM30G62U_(U)
2. Instrument cluster
*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 your Lexus dealer.
*2: These lights turn on when the power switch is turned to ON mode to indicate that a system check is being performe d. They will turn off after the hybrid system is on, or
after a few seconds. There ma y be a malfunction in a system if a light does not come
on, or turn off. Have the vehicl e inspected by your Lexus dealer.
*3:F SPORT models
*4: The light flashes or illuminate s to indicate a malfunction.
*5: The light flashes to indicate a malfunction.
The indicators inform the driver of the op erating state of the vehicle’s various sys-
tems.
(If equipped)
LKA warning light
( → P. 407)
Indicators
Turn signal indicator
(→ P. 195)*1
(If equipped)
Intuitive parking assist
indicator
(U.S.A.)
Headlight indicator
(→ P. 200)*2
(If equipped)
“AFS OFF” indicator
(→ P. 201)
(Canada)
Tail light indicator
(→ P. 200) *3, 4
Slip indicator ( →P. 270)
Headlight high beam
indicator ( →P. 200)
*2VSC OFF indicator
(→ P. 271)
(If equipped)
Automatic High Beam
indicator ( →P. 203)*2, 5
(If equipped)
PCS (Pre-Collision
System) warning light
(→ P. 226)
Cruise control indicator
( → P. 243, 255)
*6, 7
(If equipped)
BSM (Blind Spot Monitor)
outside rear view mirror
indicators ( →P. 260)

GS450h_OM_OM30G62U_(U)
1974-2. Driving procedures
4
Driving
■Parking brake operation
●When the power switch is not in ON mode, the parking brake cannot be released using
the parking brake switch.
●When the power switch is not in ON mode , automatic mode (automatic brake setting
and releasing) is not available.
●If the parking brake is operated repeatedly over a short period of time, the system may
restrict operation to prevent overheating. If this happens, refrain from operating the
parking brake. Normal operation will return after about 1 minute.
●In situations such as when parking on a steep slope*, the maximum amount of braking
force can be used by pressing the parking brake switch with the parking brake already
set.
*: Use wheel chocks when parking on a steep slope.
■Parking brake operation sound
When the parking brake operates, a motor so und (whirring sound) may be heard. This
does not indicate a malfunction.
■Parking brake indicator light
●Depending on the power switch mode, the parking brake indicator light will come on
and stay on as described below:
ON mode: Comes on until the parking brake is released.
Not in ON mode: Stays on fo r approximately 15 seconds.
●When the power switch is turned off with th e parking brake set, the parking brake indi-
cator light will stay on for about 15 seconds. This does not in dicate a malfunction.
■When there is a malfunction in the system
Warning lights and/or warning message will turn on or flash. ( →P. 406, 410)
Depending on the condition, the park ing brake indicator light may flash.
■Parking the vehicle
→P. 168
■Parking brake engaged warning buzzer
→P. 416
■Usage in winter time
→P. 277
NOTICE
■When parking the vehicle
Before you leave the vehicle, set the parking brake, shift the shift lever to P and make
sure that the vehicle does not move.
■When the system malfunctions
Stop the vehicle in a safe place and check the warning messages.
■When the parking brake cannot be released due to a malfunction
Use the parking brake release tool to manually release the parking brake. (→P. 452)
Driving the vehicle with the parking brake se t will lead to brake components overheat-
ing, which may affect braking performance and increase brake wear.

203
GS450h_OM_OM30G62U_(U)4-3. Operating the lights and wipers
4
Driving
Automatic High Beam∗
Push the lever away from you with
the headlight switch in the or position.
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will
come on when the headlights are turned
on automatically to indicate that the sys-
tem is active.
∗: If equipped
The Automatic High Beam uses an in-vehicle camera sensor to assess the
brightness of streetlights, the lights of vehicles ahead, etc., and automatically
turns the high beam on or off as necessary.
WARNING
■Limitations of the Automatic High Beam
Do not rely on the Automatic High Beam. Al ways drive safely, taking care to observe
your surroundings and turning the high be am on or off manually if necessary.
■To prevent incorrect operation of the Automatic High Beam system
Do not overload the vehicle.
Activating the Automatic High Beam system
1
2