2016 LEXUS RX450H warning lights

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

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

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.

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 )

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 )

96 2. Instrument cluster
RX450h_U_OM0E013U 
F SPORT models
* 1
: These lights turn on when the power switch is turned to the 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
: In order to confirm operation, the BSM outside rear view mirror indicators illuminate
in the following situations:
• When the BSM function is enabled on of the multi-information display, the
power switch is turned to ON mode.
• When the power switch is in ON mode, th e BSM function is enabled on of the
multi-information display.
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 indica tors do not illuminate or do not turn off,
there may be a malfunction in the system.
If this occurs, have the vehicle inspected by your Lexus dealer.
* 3
: This light illuminates on the outside rear view mirrors.
* 4
: The light flashes to indicate that the system is operating.
* 5
: The light comes on when the system is turned off.
* 6
: This light illuminates on the center panel.
* 7
: When the outside temperature is approximately 37  F (3  C) or lower, the indicator
will flash for approximately 10 seconds, then stay on.Eco drive mode indicator
(  P. 377) “SPORT S” indicator
(  P. 377)
“SPORT S+” indicator
(  P. 377) “CUSTOMIZE” indicator
(  P. 377)
EV drive mode indicator
(  P. 2 3 7 )
WA R N I N G ■
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 help
protect you in an accident, which could result in death or serious injury. Have the vehi-
cle inspected by your Lexus dealer immediately if this occurs.

116 2. Instrument cluster
RX450h_U_OM0E013U Displays suggestions to the driver in the following situations. To select a response
to a displayed suggestion, use the meter control switches. The suggestion function can be turn ed on/off. (Customizable features:  P. 6 0 7 )■
Suggestion to enable the power back door
If the power back door system is disabled (setting on set to off) and the
power back door switch on the instru ment panel is operated, a suggestion
message will be displayed asking if yo u wish to enable the power back door
system. To enable the power back door system, select “Yes”. After enabling the power back door syst em, press the power back door switch
again to open or close the power back door.■
Suggestion to turn off the headlights
If the headlights are left on for a certain amount of time after the power switch
has been turned off, a suggestion message will be displayed asking if you wish
to turn the headlights off. To turn the headlights off, select “Yes”.If a front door is opened after the power sw itch is turned off, this suggestion mes-
sage will not be displayed.■
Background color of the indicator/shift position display area (except F SPORT models)
The background color of the indicator/shift position display area is changed according to
the driving mode as follows (  P. 377):●
Eco drive mode: Blue ●
Sport mode: Red ■
G-force display (if equipped) ●
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. ■
Suspension of the settings display ●
Some settings cannot be changed while driv ing. When changing settings, park the
vehicle in a safe place. ●
If a warning message is displayed, operation of the settings displa y will be suspended.Suggestion function

536 7-2. Steps to take in an emergency
RX450h_U_OM0E013UIf a warning light turns on or a warning buzzer
sounds Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, bu t then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Warning light and warning buzzer list Warning light Warning light/Details/Actions(U.S.A.)
(Canada)
Brake system warning light
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
Brake system warning light
Indicates a malfunction in:
• The regenerative braking system;
• The electronically controlled brake system; or
• The electric parking brake
 Have the vehicle inspected by your Lexus dealer immediately. (If equipped)
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous. (U.S.A.)
(Canada)
Malfunction indicator lamp
Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system; or
• The electronic throttle control system
 Have the vehicle inspected by your Lexus dealer immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.