cruise control Lexus IS300h 2017 Owner's Guide

3084-5. Using the driving support systems
IS300h_EE(OM53D89E)
WARNING
■To avoid operating the cruise control by mistake
Switch the cruise control off using t he “ON/OFF” button when not in use.
■Situations unsuitable for cruise control
Do not use cruise control in any of the following situations. Doing so may result in loss of control and could cause an accident resulting in death or
serious injury.
●In heavy traffic
●On roads with sharp bends
●On winding roads
●On slippery roads, such as thos e covered with rain, ice or snow
●On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.
●When your vehicle is towing a trailer or during emergency towing

5908-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.  Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weather
A buzzer also sounds.  Use the dynamic radar cruise control system when
it becomes available again.
(If equipped)
Indicates that: • The grille shutter syst em cannot operate; or
• The grille shutter is di rty or covered with ice
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in t he smart entry & start system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

5918-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur- rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean off the dirt, snow, ice, etc. and drive the vehi- cle with the operation conditions of the BSM func-
tion ( P. 341) satisfied for approximately 10
minutes. If the warning me ssage does not disappear, the sensor may be misaligned. Have the vehicle
inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system. A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert with steering control) system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
The operation conditions of the camera sensor (tem- perature, etc.) are not met.
 When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys- tems will become available.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering control) system
•Automatic High Beam
• RSA (Road Sign Assist)
Warning messageDetails/Actions
(Flashes)

6038-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
■Warning messages
The warning message illustrations used are intended as examples, and may differ from
the image that is actually displaye d on the multi-information display.
■Warning message in radar cruise mode (if equipped)
In the following situations, the warning message may not be displayed even if vehicle-to-
vehicle distance decreases:
●When the speed of the preceding vehicle matches or exceeds your vehicle speed
●When the preceding vehicle is traveling at an extremely slow speed
●Immediately after the cruise control speed was set
●At the instant the accelerator pedal is depressed
■The LDA (Lane Departure Alert with steering control) lane departure warning func-
tion (if equipped)
In the following situations, the warning messag e will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LDA system func- tions ( P. 284)
●When the lane lines cannot be recognized (P. 286)
■Resetting the message indicating maintenance is required
Make sure to reset the oil change system. ( P. 518)
■Warning buzzer
 P. 579

675Alphabetical index
IS300h_EE(OM53D89E)
Condenser .............................................. 521
Console box ...........................................485
Coolant ...................................................... 519
Capacity .................................................649
Checking ................................................ 519
Preparing and checking
before winter ......................................361
Cooling system....................................... 519
Engine overheating ..........................636
Hybrid system overheating ..........636
Cruise control
Cruise control .................................... 305
Dynamic radar cruise control ..... 293
Cup holders ............................................486
Current fuel
consumption..................... 130, 132, 134
Curtain shield airbags ........................... 43
Customizable features ....................... 657
DAB (Digital Audio Broadcast)..... 394
Daytime running light system ......... 238
Defogger
Outside rear view mirrors .............474
Rear window.........................................474
Windshield ............................................474
Differential.................................................651
Digital Audio Broadcast (DAB)..... 394
Dimensions ............................................. 644
Display
Drive information...................................116
Dynamic radar cruise control ..... 293
LDA (Lane Departure Alert
with steering control)................... 283
Multi-information display.....................111
Warning message ..............................581
Do-it-yourself maintenance ................ 511
Door courtesy lights
Location ...................................................481
Wattage ................................................. 654
Door lock
Doors......................................................... 144
Smart entry & start system ............. 157
Wireless remote control .................138
D

676Alphabetical index
IS300h_EE(OM53D89E)
Doors .......................................................... 144
Automatic door locking and
unlocking system............................. 148
Door lock ................................................. 147
Open door warning buzzer ..........145
Open door warning
light ........................................................ 577
Outside rear view mirrors.............. 189
Rear door child-protector ............ 148
Side windows.........................................193
Drive information..................................... 116
Driver’s and front passenger’s
seat belt reminder light ................... 577
Driver’s seat position memory .......... 177
Driving ....................................................... 202
Break-in tips .........................................203
Correct driving posture .................... 36
Driving mode select switch ..........348
Hybrid vehicle driving tips ........... 358
Procedures ........................................... 202
Winter drive tips...................................361
Dynamic radar cruise control.......... 293
E-mail ........................................................ 429
ECB (Electronically Controlled
Brake System) .................................... 352
Eco drive mode ..................................... 348
Elapsed time .................................. 130, 134
Electric motor (traction motor) .......... 77
Electric Power Steering (EPS) ....... 352
Warning light....................................... 576
Electronic key ......................................... 138
Battery-saving function ....................158
If the electronic key does not
operate properly ............................ 628
Replacing the battery ...................... 549
E

681Alphabetical index
IS300h_EE(OM53D89E)
Jack
Positioning the jack.............................514
Vehicle-equipped jack ................... 537
Jack handle.............................................. 537
Jam protection function
Moon roof .............................................. 198
Power window ......................................194
Keyless entry
Smart entry & start
system ........................................... 144, 151
Wireless remote control ......... 144, 151
Keys ............................................................. 138
Battery-Saving Function ................. 158
Electronic key ....................................... 138
If the electronic key does not
operate properly ............................628
Key number plate ............................... 138
Keyless entry ................................. 144, 151
Mechanical key.....................................139
Power switch .........................................219
Replacing the battery.......................549
Warning buzzer ...................................145
Wireless remote control ................. 138
Knee airbags.............................................. 43
Lane Departure Alert
with steering control (LDA) ........ 279
Language
(multi-information display) ............... 119
LDA (Lane Departure Alert
with steering control) ..................... 279
Lever
Auxiliary catch lever........................... 513
Hood lock release lever .................. 513
Shift lever ................................................226
Turn signal lever................................. 233
Wiper lever .......................................... 245
Lexus Display Audio controller...... 370
Lexus Display Audio system............ 368
Lexus parking assist-sensor ............. 309
Lexus parking assist monitor ............ 318
Lexus Safety System+......................... 257
Automatic High Beam .................. 240
Dynamic radar cruise control.... 293
LDA (Lane Departure Alert
with steering control)....................279
PCS (Pre-Collision System) ...... 265
RSA (Road Sign Assist) ................ 288
License plate lights .............................. 237
Light switch............................................237
Replacing light bulbs ....................... 562
J
K
L

683Alphabetical index
IS300h_EE(OM53D89E)
MirrorLink............................................ 451
MMS (Multimedia messaging
service) .................................................. 429
Moon roof ..................................................197
Door lock linked moon roof
operation ............................................. 198
Jam protection function................... 198
Operation ................................................197
MP3 disc ..................................................396
Multi-information display ...................... 111
Audio system-linked ............................. 111
Drive information .................................. 116
Dynamic radar cruise
control.................................................. 293
Energy monitor.................................... 128
LDA (Lane Departure Alert
with steering control) ..................283
Navigation system-linked................... 111
Settings....................................................... 119
Warning message.............................. 581
Navigation system*
Odometer ................................................ 105
Oil
Differential oil.........................................651
Engine oil ............................................... 647
Opener
Hood ......................................................... 513
Trunk ............................................................151
Outer foot lights
Location ...................................................481
Replacing light bulbs .......................558
Wattage ................................................. 654
Outside rear view mirrors ................. 189
Adjusting and folding ........................189
BSM (Blind Sport Monitor) ......... 334
Linked mirror function
when reversing ...................................191
Mirror position memory ...................177
Outside rear view mirror
defoggers ..........................................474
Outside temperature........................... 105
Overheating ........................................... 636N
O
*: For vehicles with a 10 .3-inch display, refer to
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

684Alphabetical index
IS300h_EE(OM53D89E)
Paddle shift switches ...........................228
Parking assist sensors .........................309
Parking brake ......................................... 235
PCS (Pre-Collision System) ............ 265
Warning light ....................................... 577
Personal lights ........................................482
Wattage..................................................654
Pollen removal mode .......................... 474
Pop-up display ..........................................119
Pop Up Hood ............................................ 55
Power control unit .................................... 81
Power control unit coolant ................ 519
Capacity .................................................649
Checking ................................................ 519
Preparing and checking before
winter......................................................361
Power easy access system ................. 177
Power outlet ........................................... 492
Power steering (Electric power
steering system)................................. 352
Warning light....................................... 576
Power switch ............................................ 219
Power windows .......................................193
Door lock linked window
operation..............................................195
Jam protection function ................... 194
Operation ............................................... 193
Window lock switch .......................... 193
Pre-Collision System (PCS) ............ 265
Warning light........................................577
Radar cruise control (dynamic
radar cruise control) ........................ 293
Radiator ......................................................521
Radio.......................................................... 394
Rear Crossing Traffic Alert.............. 334
Rear fog light .......................................... 244
Replacing light bulb ......................... 562
Switch .......................................................244
Rear passengers’ seat belt
reminder lights ................................... 578
Rear seat .................................................... 175
Fold down the seatback .................. 175
Luggage security system ................ 153
P
R

687Alphabetical index
IS300h_EE(OM53D89E)
SMS (Short message service) ......... 429
Snow mode ............................................. 227
Snow tires................................................. 363
Spark plug................................................ 649
Specifications ......................................... 644
Speech command system ................ 457
Speedometer .......................................... 105
Sport mode..............................................348
Steering lock........................................... 222
Column lock release........................ 222
Steering wheel ........................................ 185
Adjustment ............................................. 185
Audio switches.................................... 374
Heated steering wheel.................... 479
Power easy access system ............. 177
Steering wheel position
memory ................................................. 177
Stop lights
Emergency brake signal ................353
Replacing light bulbs........................562
Storage feature......................................484
Stuck
If the vehicle becomes stuck ..........641
Sun visors .................................................. 491
Sunshade
Rear .......................................................... 493
Roof ........................................................... 198
Switches
ASC (Active Sound Control)..... 236
Audio remote control
switches ...............................................374
Automatic High Beam switch..... 240
BSM (Blind Spot Monitor)
switch ................................................... 334
Cruise control
switch .......................................305, 293
Door lock switches............................. 147
Driving mode select switch.......... 348
Driving position memory
switches .................................................177
Emergency flashers switch........... 566
EV drive mode switch .....................224
Fog light switch....................................244
Heated steering wheel
switch ................................................... 479
Ignition switch ....................................... 219
LDA (Lane Departure Alert)
switch ................................................... 282
Lexus parking assist-sensor
switch ................................................... 309
Light switch............................................237
Meter control switches....................... 114
Moon roof switches ........................... 197
Outside rear view mirror
switches ................................................189