2016 LEXUS IS250 heating

123
2-1. Driving procedures
2

When driving
CAUTION
nWhen taking a nap in the vehicle
Always turn the engine off. Otherwise, you may accidentally move the shift lever or
depress the accelerator pedal, which could cause an accident or fire due to engine
overheating. Additionally, if the vehicle is parked in a poorly ventilated area, exhaust
gases may collect and enter the vehicle, leading to death or a serious health hazard.
nWhen braking the vehicle
lWhen the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and may cause one side of
the vehicle to brake differently than the other side. Also the parking brake may
not securely hold the vehicle.
lIf the power brake assist function does not operate, do not follow other vehicles
closely and avoid downhills or sharp turns that require braking.
In this case, braking is still possible, but it will require more force on the pedal than
usual. Braking distance may also increase.
lDo not pump the brake pedal if the engine stalls.
Each push on the brake pedal uses up the reserve for the power-assisted brakes.
lThe brake system consists of 2 individual hydraulic systems: if one of the systems
fails, the other will still operate. In this case, the brake pedal should be depressed
more firmly than usual and braking distance becomes longer.
Do not drive your vehicle with only a single brake system. Have your brakes fixed
immediately.
nIf the vehicle becomes stuck or bogged (AWD models)
Do not spin the wheels recklessly when any of the tires is up in the air, or stuck in
sand or mud, etc. This may damage the drive system components or propel the
vehicle forward (or in another direction) and cause an accident.

140
2-1. Driving procedures
Parking brake
NOTICE
nBefore driving
Fully release the parking brake.
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.
Vehicles with an automatic transmission
Sets the parking brake*
(Depressing the pedal again
releases the parking brake.)
*: Fully depress the parking
brake pedal with your left
foot while depressing the
brake pedal with your right
foot.
Vehicles with a manual transmission
Sets the parking brake
Fully set the parking brake while depressing the brake pedal.
Releases the parking brake
Slightly raise the lever and lower it completely while pressing the button.
Canada U.S.A.
CanadaU.S.A.

147
2-2. Instrument cluster
2

When driving
NOTICE
nTo prevent damage to the engine and its components
lDo not let the indicator needle of the tachometer enter the red zone, which indi-
cates the maximum engine speed.
lThe engine may be overheating if the temperature gauge is in the red zone (H). In
this case, immediately stop the vehicle in a safe place, and check the engine after
it has cooled completely. (→P. 4 2 4 )

190
2-4. Using other driving systems
nHill-start assist control is operational when
lThe shift lever is in the D or S position.
lThe brake pedal is not depressed.
nEPS operation sound
When the steering wheel operates, a motor sound (whirring sound) may be heard.
This does not indicate a malfunction.
nReduced effectiveness of EPS
The effectiveness of EPS is reduced to prevent the system from overheating when
there is frequent steering input over an extended period of time. The steering wheel
may feel heavy as a result. Should this occur, refrain from excessive steering input or
stop the vehicle and turn the engine OFF. The system should return to normal within
10 minutes.
CAUTION
nThe ABS does not operate effectively when
lThe limits of tire gripping performance have been exceeded.
lThe vehicle hydroplanes while driving at high speed on the wet or slick road.
nStopping distance when the ABS is operating will exceed that of normal condi-
tions
The ABS is not designed to shorten the vehicle’s stopping distance. Always main-
tain a safe distance from the vehicle in front of you in the following situations.
lWhen driving on dirt, gravel or snow-covered roads
lWhen driving with tire chains
lWhen driving over bumps in the road
lWhen driving over roads with potholes or roads with uneven roads

5

When trouble arises
425
5-2. Steps to take in an emergency
nOverheating
If you observe the following, your vehicle may be overheating.
lThe engine coolant temperature gauge enters the red zone or a loss of power is
experienced.
lSteam is coming from under the hood.
CAUTION
nTo prevent an accident or injury when inspecting under the hood of your vehicle
lIf steam is seen coming from under the hood, do not open the hood until the
steam has subsided. The engine compartment may be very hot, causing serious
injury such as burns.
lKeep hands and clothing away from the fan and other belts while the engine is
running.
lDo not loosen the radiator cap while the engine and radiator are hot.
Serious injury, such as burns, may result from hot coolant and steam released
under pressure.
Add engine coolant if required.
Water can be used in an emer-
gency measure if engine coolant
is unavailable. (→P. 4 3 5 )
Have the vehicle checked at your nearest Lexus dealer as soon as pos-
sible.
STEP6

477
Alphabetical index
Care
Exterior ....................................................292
Interior..................................................... 295
Seat belts ............................................... 296
Cargo capacity ....................................... 196
Cargo hooks ...........................................278
CD changer ............................................229
CD player.................................................229
Chains ....................................................... 200
Child restraint system
Booster seats, definition.................. 100
Booster seats, installation ................ 107
Convertible seats, definition ......... 100
Convertible seats, installation ....... 107
Front passenger occupant
classification system ........................ 95
Infant seats, definition ....................... 100
Infant seats, installation...................... 107
Installing CRS with lower
anchorages ........................................ 105
Installing CRS with seat belts ........ 107
Installing CRS with top straps ........ 110
Child safety
Airbag precautions ..............................90
Battery precautions .............. 323, 423
Child restraint system .......................100
Child-protectors ...................................40
How your child should wear
the seat belt ..........................................59
Installing child restraints................... 104
Moon roof precautions...................... 73
Power window lock switch ..............69
Power window precautions ............ 70
Removed electronic key battery
precautions........................................346
Seat belt comfort guide ..................... 57
Seat belt extender precautions........61
Seat belt precautions ..........................60
Seat heater precautions....... 268, 271
Trunk precautions................................. 45
Child-protectors ...................................... 40
Cigarette lighter.................................... 264
Cleaning
Exterior.................................................... 292
Interior .....................................................295
Seat belts ................................................296
Clock ......................................................... 259
Coat hooks .............................................. 276
Compass .................................................. 287
Condenser ............................................... 319
Console box ........................................... 252
Cooling system
Engine overheating........................... 424
Cornering assist sensors .................... 180
C

478
Alphabetical index
Cruise control
Cruise control.......................................166
Dynamic radar cruise control .......170
Cup holder .............................................. 254
Curtain shield airbags............................84
Customizable features ........................ 461
Daytime running light system ........... 157
Defogger
Rear window ..........................................218
Side mirror ..............................................218
Dimension ................................................430
Dinghy towing ............................ 205, 206
Display
Dynamic radar cruise control .......170
Satellite switch mode .......................260
Trip information ....................................152
Warning message............................. 392
Do-it-yourself maintenance .............304
Door courtesy lights
Door courtesy lights..........................247
Wattage.................................................. 445
Door pockets..........................................256
Doors
Door glasses ........................................... 69
Door lock.................................24, 36, 39
Side mirrors ............................................. 66
Driver's seat belt reminder light .... 385
Driving
Correct posture .................................... 82
Procedures .............................................. 116
Driving position memory ......................48
Electric power steering....................... 186
Electronic key
If the electronic key does not
operate properly.............................. 417
Emergency, in case of
If the engine will not start ................. 413
If the shift lever cannot be
shifted from P..................................... 415
If the vehicle has discharged
battery ................................................... 421
If the warning buzzer sounds...... 383
If the warning light turns on.......... 383
If the warning message is
displayed .............................................392
If you have a flat tire ........................ 404
If you lose your keys .......................... 416
If you think something is
wrong ...................................................379
If the electronic key does not
operate properly.............................. 417
If your vehicle becomes stuck ..... 427
If your vehicle needs to be
towed ....................................................373
If your vehicle overheats.................424
Emergency flashers
Switch ....................................................... 372
Engine
Compartment ....................................... 310
Engine switch ........................................ 126
Hood ....................................................... 307
How to start the engine ................... 126
Identification number ........................ 431
If the engine will not start ................. 413
Ignition switch ....................................... 126
Overheating .........................................424
D
E

481
Alphabetical index
Light bulbs
Replacing............................................... 363
Wattage ................................................. 445
Lights
Door courtesy lights .........................247
Emergency flasher switch ..............372
Fog light switch.....................................159
Hazard light switch............................372
Headlights switch ................................156
Interior light switch............................ 249
Outer foot lights..................................247
Overhead courtesy light ................247
Personal light switch ........................ 249
Replacing light bulbs ....................... 363
Scuff lighting..........................................247
Shift lever lighting ...............................247
Turn signal lever................................... 139
Vanity lights .......................................... 258
Wattage ................................................. 445
Load capacity .......................................... 199
Maintenance
Do-it-yourself maintenance ......... 304
General maintenance .....................300
Maintenance data ............................. 430
Maintenance requirements .......... 298
Manual transmission ............................. 137
Meter
Instrument panel light control ....... 143
Meters ....................................................... 142
Micro dust and pollen filter ................ 214
Mirrors
Inside rear view mirror .......................65
Side mirror heater .............................. 218
Side mirrors .............................................66
Vanity mirrors ..................................... 258
Moon roof ..................................................... 71
MP3 disc .................................................. 235
Multi-information display .....................151
Odometer................................................. 142
Oil
Engine oil................................................. 313
Opener
Fuel filler door ......................................... 74
Hood ........................................................307
Trunk ........................................................... 43
Outer foot lights
Outer foot lights ................................. 247
Wattage ..................................................445
Outside rear view mirrors
Adjusting and folding..........................66
Mirror position memory ....................48
Outside temperature display ........... 152
Overhead console ............................... 253
Overhead courtesy lights
Overhead courtesy lights.............. 247
Wattage ..................................................445
Overheating, Engine........................... 424
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