2015 Lexus IS250 Owner's Manual

721-2. Theft deterrent system
IS350/250_U (OM53C50U)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing:
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
■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 situations, the doors are locked automatically to prevent intruders:
●The doors are unlocked manually without the mechanical key and the alarm is trig-
gered.
●While the alarm is operating, the doors are unlocked manually without the mechanical
key.
●A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using a
inside lock button.
●The battery is recharged or replaced when the
vehicle is locked. (→P. 5 0 4 )
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of
the system cannot be guaranteed.

731-2. Theft deterrent system
1
For safety and security
IS350/250_U (OM53C50U)
These labels are attached to the vehicle
to reduce vehicle theft by facilitating
the tracing and recovery of parts from
stolen vehicles. Do not remove under
penalty of law.
Theft prevention labels (U.S.A.)

741-2. Theft deterrent system
IS350/250_U (OM53C50U)

75
Instrument cluster2
IS350/250_U (OM53C50U)
2. Instrument clusterWarning lights and indicators ........................................76
Gauges and meters ...................... 81
Multi-information display .......... 86
Fuel consumption information ................................... 92

76
IS350/250_U (OM53C50U)2. Instrument cluster
XExcept F SPORT models
XF SPORT models
The units used on the meters and some indicators may differ depending on the target
region.
Warning lights and indicators
The warning lights and indicators on th
e instrument cluster and center panel
inform the driver of the status of the vehicle’s various systems.
For the purpose of explanation, the following illustrations display all warning
lights and indicators illuminated.

772. Instrument cluster
2
Instrument cluster
IS350/250_U (OM53C50U)
Warning lights inform the driver of malfunctions in the indicated vehicle systems.
Warning lights
*1
(U.S.A.)
Brake system warning light
(→ P. 466)
*1, 2
(if equipped)
Pre-collision system warn-
ing light
(→ P. 4 6 7 )
*1
(Canada)
Brake system warning light
(→ P. 466)*1
Slip indicator ( →P. 4 6 7 )
*1Charging system warning
light ( →P. 466)*1 Automatic headlight level-
ing system warning light
(→ P. 4 6 7 )
*1
(U.S.A.)
Malfunction indicator lamp
(→ P. 466)*1Open door warning light
(→ P. 4 6 7 )
*1
(Canada)
Malfunction indicator lamp
(→ P. 466)Low fuel level warning light
(→ P. 4 6 7 )
*1SRS warning light
(→ P. 466)Seat belt reminder light
(→ P. 4 6 7 )
*1
(U.S.A.)
ABS warning light
(→ P. 466)*1Master warning light
(→ P. 4 6 7 )
*1
(Canada)
ABS warning light
(→ P. 466)*1Tire pressure warning light
(→ P. 4 6 8 )
*1Electric power steering sys-
tem warning light
(→ P. 4 6 7 )

782. Instrument cluster
IS350/250_U (OM53C50U)
*1: These lights turn on when the engine switch is turned to IGNITION ON mode to indicate that a system check is being performed. They will turn off after the engine is
on, or after a few seconds. There may be a ma lfunction in a system if the lights do not
come 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 operating state of the vehicle’s various sys-
tems.
Indicators
Turn signal indicator
( → P. 1 7 0 )
(if equipped)
LDA (Lane Departure
Alert) indicator ( →P. 2 0 8 )
(U.S.A.)
Headlight indicator
(→ P. 1 7 3 )

(if equipped)
Intuitive parking assist indi-
cator ( →P. 2 1 4 )
(Canada)
Tail light indicator
(→ P. 1 7 3 ) *1, 2 Slip indicator ( →P. 2 4 1 )
Headlight high beam indi-
cator ( →P. 1 74 )
*1VSC OFF indicator
(→ P. 2 4 2 )
(if equipped)
Automatic High Beam indi-
cator ( →P. 1 76 )*1, 3
(if equipped)
Pre-collision system warn-
ing light
(→ P. 2 4 7 )
(if equipped)
Fog light indicator
(→ P. 1 8 1 )*4, 5
(if equipped)
BSM (Blind Spot Monitor)
outside rear view mirror
indicators ( →P. 2 5 2 )
Cruise control indicator
( → P. 192, 196)
*6Security indicator
(→ P. 6 9 , 7 1 )
(if equipped)
Dynamic radar cruise con-
trol indicator ( →P. 1 9 6 )*7Low outside temperature
indicator ( →P. 8 1 )
Cruise control “SET” indica-
tor ( →P. 192, 196)
*1Eco Driving Indicator Light
(→ P. 9 0 )

792. Instrument cluster
2
Instrument cluster
IS350/250_U (OM53C50U)
*1: These lights turn on when the engine switch is turned to IGNITION ON mode toindicate that a system check is being performed. They will turn off after the engine is
on, or after a few seconds. There may be a ma lfunction in a system if the lights do not
come on, or turn off. Have the vehicle inspected by your Lexus dealer.
*2: The light flashes to indicate that the system is operating.
*3: The light comes on when the system is turned off. The light flashes faster than usual to indicate that the system is operating.
*4: In order to confirm operation, the BSM outside rear view mirror indicators illuminatein the following situations:
• When the engine switch is turned to IGNITION ON mode while the BSM main switch is set to ON.
• When the BSM main switch is set to ON while the engine switch is in IGNITION
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 in the system.
If this occurs, have the vehicle inspected by your Lexus dealer.
*5: This light illuminates on the outside rear view mirrors.
*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.
*8:Except F SPORT models
*9:F SPORT models
*8Eco drive mode indicator
( → P. 2 3 7 )*9
(if equipped)
“SPORT S+” indicator
(→ P. 2 3 7 )
*9Eco drive mode indicator
(→ P. 2 3 7 )*8Snow mode indicator
(→ P. 1 6 5 )
*8“SPORT” indicator
(→ P. 2 3 7 )*9Snow mode indicator
(→ P. 1 6 5 )
*9
(if equipped)
“SPORT” indicator
(→ P. 2 3 7 )*1, 6“AIR BAG ON/OFF”
indicator ( →P. 4 7 )
*9
(if equipped)
“SPORT S” indicator
(→ P. 2 3 7 )