cruise control LEXUS RC300 2017 Owner's Manual

2624-5. Using the driving support systems
WARNING
■Handling the radar sensor
Observe the following to ensure the dynamic radar cruise control can function effec-
tively.
Otherwise, the radar sensor may not detect correctly and could result in an accident.
●Keep the sensor and grille cover clean at all times.
Clean the sensor and grille cover with a soft cloth so you do not mark or damage
them.
●Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even s lightly off position, the system may become inaccurate or
malfunction. If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by your Lexus dealer.
●Do not disassemble the sensor.
●Do not attach accessories or stickers to the sensor, grille cover or surrounding area.
●Do not modify or paint the sensor and grille cover.
●If the radar sensor needs to be replaced, contact your Lexus dealer.

5778-2. Steps to take in an emergency
8
When trouble arises
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distanceA buzzer also sounds.
→ Turn off snow mode.
If the windshield wipers are on, turn them off or set
them to a mode other than AUTO or high speed
wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system is
suspended (The camera sensor temperature is higher
than the operation temperature range)
A buzzer also sounds.
→ Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the rear bumper is dirty or covered
with snow, ice, etc. or th at a sensor is misaligned
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. 319) satisfied for approximately 10
minutes. If the warning me ssage does not disappear,
the sensor may be misaligned. Have the vehicle
inspected by your Lexus dealer.
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise co ntrol system (if equipped)
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 your Lexus dealer.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert) system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions

5868-2. Steps to take in an emergency
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle.
■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 your vehicle and the vehicle ahead are traveling at the same speed or the vehicle
ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
■The LDA (Lane Departure Alert) lane departure warning function
In the following situations, th e warning message 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
●When the lane lines cannot be recognized
■Resetting the message indicati ng maintenance is required
Make sure to reset the oil change system. ( →P. 489)
■Conditions that the tire pressure wa rning system may not function properly
→ P. 522
■Warning buzzer
→P. 568
Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
→ Stop using unnecessary electric components to
reduce electricity consumpt ion. Wait a while until
the electric power supply is restored.
Warning messageDetails/Actions

6048-2. Steps to take in an emergency
WARNING
■When using the spare tire
●Remember that the spare tire provided is specifically designed for use with your vehi-
cle. Do not use your spare tire on another vehicle.
●Do not use more than one spare tires simultaneously.
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting operations
that cause sudden engine braking.
■When the spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
• AWD system (if equipped)
■Speed limit when using the spare tire
Do not drive at speeds in excess of 50 mp h (80 km/h) when a spare tire is installed on
the vehicle.
The spare tire is not designed for driving at high speeds. Failure to observe this precau-
tion may lead to an accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibilit y of personal injury during a collision or sudden brak-
ing.
• ABS & Brake assist
•VSC
•TRAC
• Cruise control (if equipped)
• Dynamic radar cruise control (if equipped)
• PCS (if equipped)
•EPS
• Adaptive Variable Suspension System (if equipped)
• LDA (Lane Departure Alert) (if equipped) • VGRS (if equipped)
• LDH (Lexus Dynamic Handling sys-
tem) (if equipped)
• DRS (Dynamic Rear Steering) (if equipped)
• VDIM (Vehicle Dynamics Integrated Management)
• Tire pressure warning system
• Lexus parking assist monitor
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)

705Alphabetical index
Child safety ................................................ 57Airbag precautions .............................. 42
Battery precautions ............... 515, 629
Child restraint system ........................ 58
How your child should wear the seat belt .......................................... 36
Installing child restraints.................... 58
Moon roof precautions.................... 190
Power window lock switch ............ 183
Power window precautions .......... 186
Removed electronic key battery precautions.............. 539
Seat belt extender precautions ........................................... 39
Seat belt precautions ..........................38
Seat heater precautions..................445
Trunk precautions............................... 150 Cleaning ...................................... 480, 485
Aluminum wheels ................................481
Exterior .................................................. 480
Interior .....................................................485
Seat belts................................................486
Clock......................................................... 456
Coat hooks ............................................. 459
Compass ................................................. 468
Condenser................................................. 511
Console box ............................................452
Cooling system ..................................... 509 Engine overheating ..........................630
Cruise control Cruise control ..................................... 245
Dynamic radar cruise control ..... 249
Cup holders............................................ 453
Current fuel consumption ........... 112, 119
Curtain shield airbags ........................... 40
Customizable features .......................673

706Alphabetical index
Daytime running light system .......... 225
DefoggerOutside rear view mirrors .............439
Rear window ........................................439
Windshield ............................................439
Differential Front differential ................................. 649
Rear differential .................................. 650
Dimension ............................................... 640
Dinghy towing........................................ 206
Display Drive information ..........................112, 119
Dynamic radar cruise control......249
LDA (Lane Departure Alert) .......264
Multi-information display ........109, 117
Warning message .............................. 571
Distance ..............................................112, 119
Do-it-yourself maintenance ............. 495
Door courtesy lights Location ................................................. 448
Door lock Doors .......................................................... 141
Smart access system with push-button start ............................. 152
Wireless remote control ................. 136 Doors ............................................................141
Automatic door locking and unlocking system .................... 144
Door lock................................................. 143
Open door warning buzzer .......... 142
Open door warning light ..............566
Outside rear view mirrors ............. 180
Side windows ....................................... 183
Drive info 1/Drive info 2 ..............114, 126
Drive information ............................ 112, 119 Resetting ........................................... 112, 119
Driver’s seat position memory.......... 169
Driving ........................................................ 192 Break-in tips ...........................................193
Correct driving posture .....................32
Driving mode select switch .......... 294
Procedures ............................................. 192
Winter drive tips .................................. 331
DRS (Dynamic Rear Steering) ....... 298 Warning message............................... 571
Dynamic radar cruise control ..........249
Dynamic Rear Steering (DRS) ....... 298 Warning message............................... 571
D

713Alphabetical index
MaintenanceDo-it-yourself maintenance......... 495
General maintenance ...................... 491
Maintenance data ............................. 640
Maintenance requirements.......... 488
Maintenance system .................... 114, 126
Malfunction indicator lamp .............. 565
Master warning light ........................... 566
Meter Changing the display............... 99, 106
Indicators.....................................................91
Instrument panel light control ........................................ 100, 107
Meters.............................................. 96, 102
Multi-information display ........109, 117
Operating the meter control switches ........................................... 111, 118
Settings ............................................. 114, 126
Warning lights ........................................90
Warning message .............................. 571
Micro dust and pollen filter .............. 439
Mirrors Inside rear view mirror ..................... 178
Outside rear view mirror defoggers ...........................................439
Outside rear view mirrors ..............180
Vanity mirrors ..................................... 455 MMS (Multimedia messaging
service).................................................. 405
Mobile Assistant ................................... 345
Moon roof ................................................. 187 Door lock linked moon roof operation..................... 188
Jam protection function................... 188
Operation................................................187
MP3 disc ................................................. 369
Multi-information display........... 109, 117 Audio system-linked ................. 109, 117
Drive information.......................... 112, 119
Dynamic radar cruise control ..... 249
“F” content .................................................121
G-force .................................................... 124
Lap timer....................................................121
LDA (Lane Departure Alert)....... 264
Navigation system-linked ...... 109, 117
Settings ............................................ 114, 126 switch settings...................... 114, 126
Switching the display ................... 111, 118
Torque distribution ............................. 123
Warning message............................... 571
M
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

715Alphabetical index
Paddle shift switches ...................215, 216
Parking assist sensors (intuitive parking assist) .................. 269
Parking brake........................................... 221
Parking lights .......................................... 224 Light switch ........................................... 224
Replacing light bulbs ....................... 550
PCS (Pre-Collision System) ............ 306 PCS OFF switch ................................307
Warning light ...................................... 566
Personal lights........................................ 450
Pop-up display ................................ 114, 126
Power outlet ........................................... 456
Power steering (Electric power steering system)................................. 299 Warning light ...................................... 566
Power windows ...................................... 183 Door lock linked window operation ........................... 185
Jam protection function ................... 184
Operation ............................................... 183
Window lock switch.......................... 183
Pre-Collision System (PCS) ............ 306 PCS OFF switch ................................307
Warning light ...................................... 566 Radar cruise control (dynamic
radar cruise control).........................249
Radiator....................................................... 511
Radio ......................................................... 363
Rear seats .................................................. 167 Fold down the seatback................... 167
Luggage security system.................148
Rear turn signal lights ......................... 220 Replacing light bulbs ....................... 547
Turn signal lever ................................. 220
Wattage ................................................. 657
Rear view mirror Inside rear view mirror......................178
Outside rear view mirrors ............. 180
PR
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

718Alphabetical index
SMS (Short message service)......... 405
Snow mode ............................................... 214
Snow tires ................................................ 334
Spare tire.................................................. 592Inflation pressure ................................652
Storage location ................................ 593
Spark plug ............................................... 648
Specifications ......................................... 640
Speed indicator ..............................98, 105
Speedometer .................................. 96, 102
Sport mode ............................................. 294
Steering lock ........................................... 210 Column lock release ......................... 210
Steering wheel ......................................... 176 Adjustment ..............................................176
Audio switches ....................................344
Auto tilt away.......................................... 177
Heated steering wheel ....................445
Steering wheel position memory.............................. 169
Stop lights Replacing light bulbs ....................... 550
Storage feature .......................................451
Stuck If the vehicle becomes stuck ....... 636
Sun shade ................................................. 188
Sun visors ................................................. 455 Switches
Active rear wing switch .................. 326
ASC (Active Sound Control) switch ....................................................222
Audio remote control switches .............................................. 344
Automatic High Beam system ....227
BSM (Blind spot monitor) switch ..................................................... 313
Cruise control switch .......... 245, 249
Door lock switches ............................. 143
Driving mode select switch .......... 294
Driving position memory switches ................................................169
Dynamic radar cruise control switch................................... 249
Emergency flashers switch ...........554
Engine switch ...................................... 207
Fog light switch ................................... 232
Garage door opener switches ..............................................460
Heated steering wheel switch ................................................... 445
Ignition switch...................................... 207
Intuitive parking assist switch....... 270
LDA (Lane Departure Alert) switch ................................................... 264
Light switches ...................................... 224
Meter control switches ............... 111, 118