warning lights Lexus IS200t 2015 User Guide

90
IS200t_EE(OM53D19E)2. Instrument cluster
XExcept F SPORT models
XF SPORT models
The units used on the meters 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.

912. Instrument cluster
2
Instrument cluster
IS200t_EE(OM53D19E)
Warning lights inform the driver of malfunctions in the indicated vehicle systems.
*1: These lights turn on when the engine switch is turned to IGNITION ON mode toindicate that a system check is being perfor med. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a system if the light
does not come on, or turn off. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
*2: The light flashes to indicate a malfunction.
*3: This light illuminates on the center panel.
Wa r n i n g l i g h t s
*1Brake system warning light
(→ P. 5 0 0 )*1 Automatic headlight
leveling system warning
light ( →P. 5 0 1 )
*1Charging system warning
light ( →P. 5 0 0 )Open door warning light
(→ P. 5 0 2 )
*1Malfunction indicator
lamp ( →P. 500)Low fuel level warning light
(→ P. 5 0 2 )
*1SRS warning light
(→ P. 5 0 0 )Driver’s and front passen-
ger’s seat belt reminder light
(→ P. 5 0 2 )
*1ABS warning light
(→ P. 5 0 1 )*3Rear passengers’ seat belt
reminder lights ( →P. 5 0 2 )
*1Electric power steering sys-
tem warning light
(→ P. 5 0 1 )*1Master warning light
(→ P. 5 0 2 )
*1, 2
(if equipped)
Pre-crash safety system
warning light ( →P. 5 0 1 )
*1
(if equipped)
Tire pressure warning light
(→ P. 5 0 2 )
*1Slip indicator
(→ P. 5 0 1 )

2354-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D19E)
●In the following situations, the engine will restart automatically if the engine is stopped
by the Stop & Start system. (To enable stopping of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The air conditioning system is turned on.
• is turned on.
• The steering wheel is operated.
• The shift lever is shifted to M, N or R from D.
• The shift lever is shifted from P.
• Sport mode or snow mode is selected as the driving mode.
• The driver’s seat belt is unfastened.
• The driver’s door is opened.
• The accelerator pedal is depressed.
• The Stop & Start cancel switch is pressed.
• The vehicle starts to roll on an incline.
• Vehicles with a power heater: The power heater is turned on.
●In the following situations, the engine may re start automatically if the engine is stopped
by the Stop & Start system. (To enable stopping of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used.
• The battery is not sufficiently charged.
■Hood
●If the hood is opened while the engine is stopped by the Stop & Start system with the
shift lever in D, the engine will stall and will not be able to be restarted by the automatic
engine start function. In this case, restart the engine using the normal engine starting
procedure. ( →P. 1 9 6 )
●If the hood is opened while the engine is stopped by the Stop & Start system with the
shift lever in P, the engine will be restarted automatically.
●If the hood is closed after the engine is st arted with the hood open, the Stop & Start sys-
tem will not operate. Close the hood, turn th e engine switch off, wait 30 seconds or
more, and then start the engine.
■When to use the Stop & Start system
●Use the Stop & Start system when stopping the vehicle temporarily at red lights, inter-
sections, etc. When stopping the vehicle for a longer period of time, stop the engine
completely.
●When the system does not operate, is canceled, or is malfunctioning, warning mes-
sages and a warning buzzer are used to inform the driver. ( →P. 2 3 7 )
●If the engine switch is pressed when the engine is stopped by the Stop & Start system,
the engine will stall and will not be able to be restarted by the automatic engine start
function. In this case, restart the engine using the normal engine starting procedure.
( → P. 1 9 6 )
●When the engine is restarted by the Stop & Start system, the power outlet may be tem-
porarily unusable, but this is not a malfunction.
●Installation and removal of electrical components and wireless devices may affect the
Stop & Start system. Contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional for details.

2644-5. Using the driving support systems
IS200t_EE(OM53D19E)
●When sunlight or the headlights of oncoming vehicles are shining directly into the cam-
era lens
●When driving on roads that are branching or merging
●When driving on a road surface that is wet due to rain, previous rainfall, standing water,
etc.
●When the vehicle experiences strong up-and-down motion such as when driving on an
extremely rough road or on a seam in the pavement
●When headlight brightness at nighttime is reduced due to dirt on the lenses, or when
the headlights are misaligned
●When driving on wi nding roads or roads that are uneven
●When driving on rough or unpaved roads
■When changing the tires
Depending on the tires used, sufficient performance may not be maintainable.
■Warning messages for the LDA system
Warning messages are used to indicate a system malfunction or to inform the driver of
the need for caution while driving. ( →P. 511)
CAUTION
■Before using the LDA system
Do not rely solely on the LDA system. The LDA system does not drive the vehicle auto-
matically, nor does it reduce the amount of care you need to take. As such, the driver
must always assume full responsibility for understanding his/her surroundings, for
operating the steering wheel to correct the driving line, and for driving safely.
Inappropriate or negligent driving could lead to an accident.
■To avoid operating the LDA by mistake
Switch the LDA system off using the LDA switch when not in use.
■Situations unsuitable for LDA system
Do not use the LDA system in any of the following situations.
Otherwise, the system may not function correctly and could result in an accident.
●When driving with tire chains, a spare tire, or similar equipment
●When there are objects or structures along the roadside that might be misinterpreted
as lane markers (such as guardrails, a curb, reflector posts, etc.)
●When driving on snowy roads
●When pavement lane markers are difficult to see due to rain, snow, fog, sand, dirt, etc.
●When there are visible lines on the pavement from road repairs, or if the remains of
old lane markers are still visible on the road
●When driving on a road with lane closures due to maintenance, or when driving in a
temporary lane

5008-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
If 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, but 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 any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
→ Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional. Continuing to drive the vehicle may
be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
→ Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
→ Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
→ Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.

5028-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
*1: Parking brake engaged warning buzzer:→ P. 5 0 9
*2: Open door warning buzzer:
→ P. 5 0 8
Warning lightWarning light/Details/Actions
Open door warning light (warning buzzer)*2
Indicates that a door or the trunk is not fully closed
→ Check that all the doors and the trunk are closed.
Low fuel level warning light
Indicates that remaining fuel is a pproximately 10 L (2.6 gal., 2.2 Imp.
gal.) or less
→ Refuel the vehicle.
Driver’s and front passenger’s seat belt reminder light (warning
buzzer)
*3
Warns the driver and/or front passenger to fasten their seat belts
→ Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fastened to make the warning light
(warning buzzer) turn off.
Rear passengers’ seat belt reminder lights (warning buzzer)*3
Warns the rear passengers to fasten their seat belts
→ Fasten the seat belt.
Master warning light
A buzzer sounds and the warning light comes on and flashes to
indicate that the master warning system has detected a malfunc-
tion.
→ P. 5 0 6
(If equipped)
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes ( →P. 5 0 3 )
• Flat tire ( →P. 5 2 2 , 5 3 3 )
→ Adjust the tire inflation pre ssure to the specified level.
The light will turn off after a few minutes. In case the light does
not turn off even if the tire inflation pressure is adjusted, have the
system checked by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
When the light comes on af ter blinking for 1 minute:
Malfunction in the tire pressure warning system
→ Have the system checked by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.

5048-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
■If the tire pressure warning light frequently comes on after blinking for 1 minute (if
equipped)
If the tire pressure warning light frequently comes on after blinking for 1 minute when the
engine switch is turned to IGNITION ON mode, have it checked by any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
■Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location or audio
sound.
CAUTION
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional. The vehicle will
become extremely unstable during braking, and the ABS system may fail, which could
cause an accident resulting in death or serious injury.
■When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than us ual when operating, hold firmly and oper-
ate using more force than usual.
■If the tire pressure warning light comes on (if equipped)
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
XVehicles with a compact spare tire
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change it
with the spare tire and have the flat tire repaired by the nearest authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
XVehicles with an emergency tire puncture repair kit
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, repair the
flat tire by using emergency tire puncture repair kit.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

5068-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multi-information display.
Multi-information display
If any of the warning lights come on again after the following actions have been
performed, contact any authorized Lexu s dealer or repairer, or another duly
qualified and equipped professional.
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
XExcept F SPORT modelsXF SPORT models (when the main
meter is in the center position)
XF SPORT models (when the main
meter is in the right-side position)
1
2

595Alphabetical index
IS200t_EE(OM53D19E)
DAB (Digital Audio Broadcast) .... 338
Daytime running light system ............ 211
DefoggerOutside rear view mirrors.............404
Rear window ........................................404
Windshield ............................................404
Differential ................................................ 571
Digital Audio Broadcast (DAB) .... 338
Dimensions.............................................. 564
Display Drive information ................................ 102
Dynamic radar cruise control ..... 244
LDA (Lane Departure Alert).........261
Multi-information display ................ 100
Warning message............................ 506
Distance ..................................................... 102
Do-it-yourself maintenance ............. 437
Door courtesy lights Location..................................................... 411
Wattage.................................................. 573
Door lock
Doors ......................................................... 122
Smart entry & start system ..............134
Wireless remote control ................... 116 Doors........................................................... 122
Automatic door locking and
unlocking system ............................. 126
Door lock ................................................ 122
Open door warning buzzer .......... 123
Open door warning light .............. 502
Outside rear view mirrors ..............165
Rear door child-protector ............. 126
Side windows ........................................169
Drive information ...................................102
Drive info 1/Drive info 2 ..................... 104
Driver’s and front passenger’s
seat belt reminder light .................. 502
Driver’s seat position memory ..........153
Driving ........................................................178 Break-in tips........................................... 179
Correct driving posture.....................34
Driving mode select switch.......... 283
Procedures............................................. 178
Winter drive tips ................................ 309
Dynamic radar cruise control ......... 244
D

597Alphabetical index
IS200t_EE(OM53D19E)
First-aid kit storage belt ...................... 418
Flat tireVehicles with a spare tire .............. 522
Vehicles with emergency tire puncture repair kit .................533
Floor mats ................................................... 32
Fluid Automatic transmission ..................570
Brake..........................................................571
Washer .................................................. 450
Fog lights ....................................................217
Replacing light bulbs....................... 485
Switch ........................................................ 217
Follow me home system ....................... 211
Footwell light ............................................. 411 Wattage.................................................. 573
Front fog lights .........................................217
Replacing light bulbs....................... 485
Switch ........................................................ 217
Front personal lights ............................. 412 Wattage.................................................. 573
Front position lights............................... 210 Light switch ............................................ 210
Replacing light bulbs....................... 485 Front seats .................................................149
Adjustment ............................................. 149
Cleaning .................................................432
Correct driving posture.....................34
Driving position memory ................ 153
Head restraints .....................................158
Power easy access system............. 153
Seat heaters............................................410
Seat position memory ....................... 153
Seat ventilators ..................................... 410
Front turn signal lights ........................ 207 Replacing light bulbs ............ 475, 477
Turn signal lever................................. 207
Wattage ................................................. 573
Fuel ..............................................................227 Capacity................................................. 566
Fuel gauge ............................................... 95
Fuel pump shut off system ............ 499
Information............................................ 574
Refueling ................................................. 227
Type ............................................. 227, 566
Warning light....................................... 502
F