Page 40 of 660

40 1-1. For safe use
RX450h_U_OM0E013U Your vehicle is equipped with ADVANCED AIRBAGS designed based on the
US motor vehicle safety standards (FMVSS208). The airbag sensor assembly
(ECU) controls airbag deployment based on information obtained from the sen-
sors etc. shown in the system compon ents diagram above. This information
includes crash severity and occupant information. As the airbags deploy, a
chemical reaction in the inflators quickly fills the airbags with non-toxic gas to
help restrain the moti on of the occupants.SRS airbag system components
Front passenger airbag
“AIR BAG ON” and “AIR BAG
OFF” indicator lights
Front side airbags
Curtain shield airbags
Side impact sensors (rear)
SRS warning light
Front passenger occupant classifica-
tion system (ECU and sensors)
Driver airbag
Side impact sensors (front door) Seat belt pretensioners and force
limiters
Passenger seat cushion airbag
Driver’s seat position sensor
Driver’s knee airbag
Driver’s seat belt buckle switch
Front passenger’s seat belt buckle
switch
Front impact sensors
Airbag sensor assembly
Rear side airbags1
2
3
4
5
6
7
8
9 10
11
12
13
14
15
16
17
18
Page 52 of 660

52 1-1. For safe use
RX450h_U_OM0E013U ■
Adult
* 1
■
Child
* 4Condition and operation in the front passenger occupant classification
system Indicator/
warning light “A I R B A G O N ” a n d “A I R B A G O F F ”
indicator lights “A I R B A G O N ”
SRS warning light Off
Seat belt reminder light Off
* 2
or
flashing
* 3
Devices Front passenger airbag
ActivatedSide airbag on the front passenger seat
Curtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger side Activated
* 2
or
deactivated
* 3
Front passenger’s seat belt pretensioner and force
limiter Activated
Indicator/
warning light “A I R B A G O N ” a n d “A I R B A G O F F ”
indicator lights “A I R B A G
OFF” or “AIR
BAG ON”
* 4
SRS warning light Off
Seat belt reminder light Off
* 2
or
flashing
* 3
Devices Front passenger airbag Deactivated or
activated
* 4
Side airbag on the front passenger seat
Activated
Curtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger side Deactivated or
activated
* 4, 2
Front passenger’s seat belt pretensioner and force
limiter Activated
Page 53 of 660

531-1. For safe use
1
For safety and security
RX450h_U_OM0E013U ■
Child restraint system with infant
* 5
■
Unoccupied Indicator/
warning light “A I R B A G O N ” a n d “A I R B A G O F F ”
indicator lights “A I R B A G
OFF”
* 6
SRS warning light Off
Seat belt reminder light Off
* 2
or
flashing
* 3
Devices Front passenger airbag Deactivated
Side airbag on the front passenger seat
Activated
Curtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger side Deactivated
Front passenger’s seat belt pretensioner and force
limiter Activated
Indicator/
warning light “A I R B A G O N ” a n d “A I R B A G O F F ”
indicator lights “A I R B A G
OFF”
SRS warning light
Off
Seat belt reminder light
Devices Front passenger airbag Deactivated
Side airbag on the front passenger seat
Activated
Curtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger side Deactivated
Front passenger’s seat belt pretensioner and force
limiter Activated
Page 54 of 660

54 1-1. For safe use
RX450h_U_OM0E013U ■
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 may 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 se at, 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 system should on ly be installed on the front passenger seat
when it is unavoidable. ( P. 5 9 )
* 6
: In case the indicator light is not illuminated, consult this manual on how to install the
child restraint system properly. ( P. 6 1 )Indicator/
warning light “A I R B A G O N ” a n d “A I R B A G O F F ”
indicator lights “A I R B A G
OFF”
SRS warning light On
Seat belt reminder light Off
Devices Front passenger airbag Deactivated
Side airbag on the front passenger seat
Activated
Curtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger side Deactivated
Front passenger’s seat belt pretensioner and force
limiter Activated
Page 91 of 660
91
Instrument cluster
2
RX450h_U_OM0E013U 2. Instrument cluster
Warning lights and
indicators ....................................... 92
Gauges and meters ......................97
Multi-information display ........ 102
Head-up display ............................118
Energy monitor/
consumption screen ................ 124
Page 92 of 660
92
RX450h_U_OM0E013U 2. Instrument cluster
Except F SPORT models
F SPORT models
The units used on the meter and some indicators may differ depending on the target
region.Warning lights and indicators 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 following illustration displays all warning
lights and indicators illuminated.
Page 93 of 660

932. Instrument cluster
2
Instrument cluster
RX450h_U_OM0E013U Warning lights inform the driver of malfun ctions in any of the vehicle’s systems.
Warning lights * 1
(U.S.A.)
Brake system warning light
( P. 5 3 6 )
* 1
(Canada)
ABS warning light
( P. 5 3 7 )
* 1
(Canada)
Brake system warning light
( P. 5 3 6 )
* 2
(U.S.A.)
Parking brake indicator
( P. 5 3 7 )
* 1
Brake system warning light
( P. 5 3 6 )
* 2
(Canada)
Parking brake indicator
( P. 5 3 7 )
* 1
(if equipped)
Charging system warning
light ( P. 5 3 6 ) * 1, 2
Brake hold operated
indicator ( P. 5 3 7 )
* 1
(U.S.A.)
Malfunction indicator lamp
( P. 5 3 6 ) * 1
Electric power steering
system warning light
( P. 5 3 7 )
* 1
(Canada)
Malfunction indicator lamp
( P. 5 3 6 ) * 1
Electric power steering
system warning light
( P. 5 3 7 )
* 1
SRS warning light
( P. 5 3 6 ) (if equipped)
LDA indicator ( P. 5 3 7 )
LKA indicator ( P. 5 3 7 )
* 1
(U.S.A.)
ABS warning light
( P. 5 3 7 ) * 1
Slip indicator ( P. 5 3 7 )
Page 94 of 660

94 2. Instrument cluster
RX450h_U_OM0E013U * 1
: 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 malfunctio n in a system if the lights do not turn on,
or turn off. Have the vehicle inspected by your Lexus dealer.
* 2
: The light flashes to indicate a malfunction.
The indicators inform the driver of the op erating state of the vehicle’s various sys-
tems. * 1, 2
(if equipped)
PCS warning light
( P. 5 3 8 )
* 1
Tire pressure warning light
( P. 5 3 8 )
Low fuel level warning light
( P. 5 3 8 )
* 1
Master warning light
( P. 5 3 8 )
Seat belt reminder light
( P. 5 3 8 )
Indicators Turn signal indicator
( P. 2 4 4 ) Cruise control indicator
( P. 311, 323, 335)
(U.S.A.)
Headlight indicator
( P. 2 5 1 ) (if equipped)
Radar cruise control
indicator ( P. 311, 323)
(Canada)
Tail light indicator
( P. 2 5 1 ) Cruise control “SET”
indicator
( P. 311, 323, 335)
Headlight high beam
indicator ( P. 252) (if equipped)
LDA indicator ( P. 3 0 2 )
LKA indicator ( P. 2 9 2 )
* 1
(if equipped) Automatic High Beam
indicator ( P. 2 5 5 ) (if equipped)
LDA indicator ( P. 3 0 2 )
LKA indicator ( P. 2 9 2 )
Fog light indicator
( P. 2 5 9 ) * 4
(if equipped)LDA indicator ( P. 3 0 2 )
LKA indicator ( P. 2 9 2 )