warning light Lexus IS300h 2013 Service Manual

5238-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Automatic
High Beam switch again.
(If equipped)
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-crash brake
system operation is stopped
Turn the VSC on. (P. 295)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is
not currently functional because the grille cover or
the sensor is dirty
Check the grille cover and the sensor and clean
them if they are dirty.
Indicates that operation of large electricity consum-
ing systems such as the air conditioning system are
suspended
Stop using unnecessary electric components to
reduce electricity consumption. Wait a while
until the electric power supply is restored.
(If equipped)
Indicates that the LDA (Lane Departure Alert) sys-
tem cannot be used because the vehicle speed is
lower than approximately 50 km/h (32 mph)
Drive the vehicle at 50 km/h (32 mph) or higher.
Warning messageDetails/Actions
(Flashes)

5298-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)

Indicates that:
• With the power switch off, the
doors were unlocked and then
the driver’s door was opened
and closed;
• The power switch was turned
to ACCESSORY mode with-
out starting the hybrid system;
or
• The shift lever was shifted to P
from another position with the
power switch in ON mode.
Press the power switch while
depressing the brake pedal.
Once
The power switch has been
turned off with the shift lever in a
position other than P.
Shift the shift lever to P.
Once
After the power switch has been
turned off with the shift lever in a
position other than P, the shift
lever has been shifted to P.
Turn the power switch off.

Power was turned off due to the
automatic power off function.
Next time when starting the
hybrid system, increase the
engine speed slightly and
maintain that level for approx-
imately 5 minutes to recharge
the 12-volt battery.
Con-
tinu-
ous

Indicates that the hybrid system
was stopped in an emergency
while driving
To restart the hybrid system,
shift the shift lever to N and
turn the power switch to ON
mode.
*
Interior
buzzerExterior
buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

5458-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53B95E)
Run-flat tires (A “RFT” or “DSST” mark is molded on the sidewall)
Take your vehicle to the nearest
Lexus dealer or authorized tire
dealer as soon as possible if any
tire goes flat.
The vehicle can be driven for a
maximum of 300 km (186 miles)
at a speed below 60 km/h (37
mph) after the tire pressure warn-
ing light comes on. (P. 510)
In some conditions (such as at high temperatures)
You cannot continue driving for up to 300 km (186 miles).
For the detailed information on run-flat tires
See the tire warranty booklet.
If you have a flat tire (vehicles with run-flat tires)
You can continue driving a vehicle with run-flat tires even if any tire
goes flat.In this case, slow down and drive with extra caution.
NOTICE
When replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning valve
and transmitter, contact any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional as the tire pressure warning valve and
transmitter may be damaged if not handled correctly.
When driving over bumps
If a vehicle has a flat tire, the vehicle height will be lower than usual. Ensure
that nothing strikes the bottom of the vehicle.
To avoid damage to the tire pressure warning valves and transmitters
When a tire is repaired with liquid sealants, the tire pressure warning valve and
transmitter may not operate properly. If a liquid sealant is used, contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional or other qualified service shop as soon as possible. Make sure to
replace the tire pressure warning valve and transmitter when replacing the tire.
(P. 451)

590What to do if... (Troubleshooting)
IS300h_EE(OM53B95E)
Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be
operated if the window lock switch is pressed. (P. 184)
The auto power off function will be operated if the vehicle is left in
ACCESSORY or ON mode (the hybrid system is not operating) for a
period of time. (P. 211)
The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P.
509)
The parking brake indicator is on
Is the parking brake released? (P. 224)
Depending on the situation, other types of warning buzzer may also
sound.
(P. 507, 514)

Did anyone inside the vehicle open a door or anything move inside the
vehicle during setting the alarm?
The sensor detects them and the alarm sounds. (P. 9 6 )
To stop the alarm, turn the power switch to ON mode or start the hybrid
system.The windows do not open or close by operating the power window
switches
The power switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds (if equipped)

591What to do if... (Troubleshooting)
IS300h_EE(OM53B95E)
Is the message displayed on the multi-information display?
Check the message on the multi-information display. (P. 514)
When a warning light turns on or a warning message is displayed, refer
to
P. 507, 514.
Vehicles with an emergency tire puncture repair kit
Stop the vehicle in a safe place and repair the flat tire temporarily with
the emergency tire puncture repair kit. (P. 531)
Vehicles with run-flat tires
Slow down and drive with extra caution. Take your vehicle to the near-
est Lexus dealer or authorized tire dealer to have the flat tire replaced.
(P. 545)
Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. (P. 560) A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

592
IS300h_EE(OM53B95E)Alphabetical index
Alphabetical index
A/C ............................................398
Air conditioning filter ...........470
Automatic air conditioning
system.................................398
S-FLOW mode .....................400
Blower customization ...........405
AAC disc ...................................341
ABS (Anti-lock Brake System) .293
Function ................................293
Warning light........................508
Accent color ..............................118
Adaptive Variable Suspension
system .....................................294
Air conditioning filter ...............470
Air conditioning system ............398
Air conditioning filter ...........470
Automatic air conditioning
system.................................398
S-FLOW mode .....................400
Blower customization ...........405Airbags ....................................... 43
Airbag manual on-off system 54
Airbag operating conditions .. 49
Airbag precautions for
your child ............................ 45
Correct driving posture .......... 36
Curtain shield airbag operating
conditions ............................ 49
Curtain shield airbag
precautions .......................... 47
General airbag precautions .... 45
Locations of airbags............... 43
Modification and disposal of
airbags ................................. 48
Side airbag operating
conditions ............................ 49
Side airbag precautions.......... 45
Side and curtain shield airbags
operating conditions ............ 49
Side and curtain shield airbags
precautions .......................... 45
SRS airbags............................ 43
SRS warning light................ 508
Airbag manual on-off system ..... 54
Alarm .......................................... 96
Anchor brackets.......................... 70
Antennas (smart entry &
start system) .......................... 149
A

593Alphabetical index
IS300h_EE(OM53B95E)
Anti-lock Brake System (ABS) .293
Function ................................293
Warning light........................508
Approach warning .....................254
Armrest ......................................422
ASC (Active Sound Control) ....225
Assist grips ................................424
Audio input................................323
Audio system .............................316
Audio CD player ..................341
Audio input ...........................323
AUX port/
USB port ............................323
Bluetooth
® audio ..................365
iPod.......................................348
Optimal use...........................331
Portable music player ...........356
Radio ....................................339
Steering wheel audio switch .322
USB memory ........................351
Automatic headlight leveling
system ....................................228
Warning light........................509
Automatic High Beam ..............229
Automatic light control system 226
AUX port ...................................323
Average fuel economy ..............117
Average vehicle speed...............117Back-up light
Replacing light bulb............. 488
Wattage ................................ 572
Battery (12-volt battery) ........... 447
If the 12-volt battery is
discharged ......................... 551
Preparing and checking
before winter ..................... 311
Warning light ....................... 507
Battery (traction battery) ............ 83
Blind Spot Monitor (BSM) ...... 309
Blower customization ............... 405
Bluetooth®
Audio system ....................... 365
Hands-free system
(for cellular phone)............ 367
Bottle holders ........................... 415
Brake
Fluid ..................................... 569
Parking brake ....................... 224
Regenerative braking ............. 81
Warning light ....................... 507
Brake assist .............................. 293
Break-in tips ............................ 193
Brightness control
Instrument panel light control....
113
BSM (Blind Spot Monitor)....... 309
B

595Alphabetical index
IS300h_EE(OM53B95E)
Clock .........................................420
Coat hooks .................................424
Condenser .................................446
Console box ...............................414
Coolant ......................................444
Capacity ................................567
Checking ...............................444
Preparing and checking
before winter ......................311
Cooling system ..........................444
Engine overheating ...............556
Hybrid system overheating ...556
Cruise control
Cruise control .......................245
Dynamic radar cruise control .....
249
Cup holders ...............................415
Current fuel consumption ..........117
Curtain shield airbags .................43
Customizable features ...............576DAB (Digital Audio Broadcast)339
Daytime running light system . 227
Defogger
Front windshield .................. 404
Outside rear view mirrors .... 404
Rear window ........................ 404
Differential ............................... 569
Digital Audio Broadcast (DAB)339
Dimensions ............................... 562
Display
Drive information ................ 117
Dynamic radar cruise control ....
249
LDA (Lane Departure Alert) 265
Multi-information display.... 116
Warning message................. 514
Distance .................................... 118
Do-it-yourself maintenance ...... 435
Door courtesy lights
Location ............................... 411
Wattage ................................ 572
Door lock
Doors ................................... 136
Smart entry & start system .. 149
Wireless remote control ....... 130D

596Alphabetical index
IS300h_EE(OM53B95E)
Doors .........................................136
Automatic door locking and
unlocking system................140
Door glasses .........................184
Door lock ..............................139
Open door warning buzzer ...137
Open door warning
light ....................................509
Outside rear view mirrors .....180
Rear door child-protector ....140
Drive information ......................117
Drive info 1/Drive info 2...........118
Driver’s and front passenger’s
seat belt reminder light ...........509
Driver’s seat position memory ..168
Driving ......................................192
Break-in tips .........................193
Correct driving posture ...........36
Driving mode select switch ..290
Hybrid vehicle driving tips ...309
Procedures ............................192
Winter drive tips ...................311
Dynamic radar cruise control ....249E-mail ....................................... 375
Eco drive mode......................... 290
Elapsed time ............................. 117
Electric motor (traction motor)... 79
Electric Power Steering (EPS) . 293
Function ............................... 293
Warning light ....................... 508
Electronic key ........................... 130
Battery-saving function ....... 150
If the electronic key does not
operate properly ................ 549
Replacing the battery ........... 472
Emergency, in case of
If the 12-volt battery is
discharged ......................... 551
If the electronic key does not
operate properly ................ 549
If the hybrid system will not
start .................................... 546
If the shift lever cannot be
shifted from P .................... 548
If the warning buzzer sounds507
If the warning light turns on 507
If the warning message is
displayed ........................... 514E

597Alphabetical index
IS300h_EE(OM53B95E)
If you have a flat tire ....531, 545
If you think something
is wrong ..............................506
If your vehicle becomes stuck ....
560
If your vehicle has to be
stopped in an emergency ....499
If your vehicle needs to
be towed .............................500
If your vehicle overheats ......556
Emergency brake signal ............294
Emergency flashers ...................498
Emergency tire puncture
repair kit ..................................531
Energy monitor..........................122
Engine .......................................564
Accessory mode....................210
Compartment ........................439
Engine switch .......................209
Hood .....................................437
How to start the hybrid
system.................................209
Identification number ...........563
Ignition switch
(power switch)....................209
Overheating ..........................556
Power switch ........................209Engine coolant .......................... 444
Capacity ............................... 567
Checking .............................. 444
Preparing and checking
before winter ..................... 311
Engine coolant temperature
gauge ...................................... 110
Engine oil ................................. 440
Capacity ............................... 565
Checking .............................. 440
Preparing and checking
before winter ..................... 311
Engine switch ........................... 209
EPS (Electric Power Steering) . 293
Function ............................... 293
Warning light ....................... 508
EV drive mode.......................... 214
EV indicator ............................. 118