LEXUS RCF 2019 Owners Manual

611
Index
RC F_U What to do if...
(Troubleshooting) .................................612
Alphabetical index.................................. 616
Refer to the “NAVIGATIO N AND MULTIMEDIA SYSTEM
OWNER’S MANUAL” for informat ion regarding the equipment
listed below.
• Navigation system
• Audio/video system • Lexus parking assist monitor
•Lexus Enform

612
RC F_U What to do if... (Troubleshooting)
What to do if... (Troubleshooting) ●
If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. (  P. 142)●
If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (  P. 144)●
Is the electronic key battery weak or depleted? (  P. 427)●
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (  P. 208)●
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person. ●
The function may not operate properly du e to the condition of the radio wave.
(  P. 158)
●
The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(  P. 153)If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed You lose your keys
The doors cannot be locked or unlocked
The trunk lid is closed with the electronic key left inside

613What to do if... (Troubleshooting)
RC F_U ●
Did you press the engine switch while firmly depressing the brake pedal?
(  P. 207)●
Is the shift lever in P? (  P. 210)●
Is the electronic key anywhere detectable inside the vehicle? (  P. 156)●
Is the steering wheel unlocked? (  P. 210)●
Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (  P. 520)●
Is the battery discharged? (  P. 522)●
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. (  P. 219)●
It is locked automatically to prevent theft of the vehicle. (  P. 210)
●
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. 182)
●
The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. (  P. 210)If you think something is wrong The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

614 What to do if... (Troubleshooting)
RC F_U ●
The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (  P. 455)●
The parking brake indicator is on
Is the parking brake released? (  P. 222)
Depending on the situation, other type s of warning buzzer may also sound.
(  P. 453, 460)
●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (  P. 80)
Do one of the following to de activate or stop the alarms:• Unlock the doors.
• Open the trunk using the entry function or wireless remote control.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the
engine.
●
Is the electronic key left inside th e vehicle or the moon roof opened?
Check the message on the multi-information display. (  P. 460)
●
When a warning light turns on or a wa rning message is displayed, refer to
P. 453, 460. A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

615What to do if... (Troubleshooting)
RC F_U ●
Vehicles with a spare tire
Stop the vehicle in a safe place and repl ace the flat tire with the spare tire.
(  P. 489)●
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. 502)●
Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(  P. 532)When a problem has occurred If you have a flat tire
The vehicle becomes stuck

616
RC F_U Alphabetical index
Alphabetical index A/C ............................................................ 333
Air conditioning filter........................425
Automatic air conditioning
system ..................................................333
ABS (Anti-lock Brake System).........312
Warning light .......................................453
Active rear wing.................................... 307
Active Sound Control
(ASC).......................................... 223, 224
Adaptive Variable
Suspension System.............................313
Air conditioning filter .......................... 425
Air conditioning system ..................... 333
Air conditioning filter........................425
Automatic air conditioning
system ..................................................333 Airbags ........................................................ 40
Airbag operating conditions ...........47
Airbag precautions
for your child ........................................42
Correct driving posture .....................32
Curtain shield airbag
operating conditions ........................47
Curtain shield airbag
precautions .......................................... 44
Front passenger occupant
classification system........................... 51
General airbag precautions ............42
Locations of airbags............................ 40
Modification and disposal
of airbags............................................... 46
Side airbag operating
conditions ..............................................47
Side airbag precautions .....................42
Side and curtain shield airbags
operating conditions ........................47
Side and curtain shield
airbags precautions ..........................42
SRS airbags ............................................. 40
SRS warning light .............................. 453A

617Alphabetical index
RC F_U Alarm ............................................................ 80
Anchor brackets ...................................... 60
Antennas (smart access system
with push-button start) ......................156
Anti-lock Brake System (ABS).........312
Warning light .......................................453
Approach warning............................... 275
Armrest .................................................... 356
ASC
(Active Sound Control)....... 223, 224
Assist grip ................................................358
Audio system
* Automatic headlight leveling
system .....................................................227
Warning light .......................................454
Automatic High Beam ....................... 228
Automatic light control system....... 225
Automatic transmission .......................213
If the shift lever
cannot be shifted from P ............. 219
M mode ................................................... 216
Paddle shift switches ............... 215, 216
Average fuel
economy .............................136, 137, 138
Average vehicle speed ........................136 Back-up lights
Replacing light bulbs ....................... 434
Wattage .................................................553
Battery ...................................................... 408
Battery checking ............................... 408
If the vehicle battery
is discharged .................................... 522
Preparing and checking before
winter.................................................... 320
Warning light ....................................... 453
Blind Spot Monitor (BSM) ............... 290
Brake
Fluid .......................................................... 407
Parking brake .......................................222
Warning light ....................................... 453
Brake assist ............................................... 312
Break-in tips ............................................. 193
Brightness control
Instrument panel light
control.......................................... 94, 100
BSM (Blind Spot Monitor) ............... 290
BSM function ....................................... 293
RCTA function .................................... 297 B
* : Refer to the “NAVIGATIO N AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.

618 Alphabetical index
RC F_U Card key ................................................... 140
Care ................................................. 376, 381
Aluminum wheels .............................. 377
Exterior....................................................376
Interior ...................................................... 381
Seat belts ............................................... 382
Cargo capacity...................................... 204
Cargo hooks .......................................... 353
Chains ............................................ 322, 322
Child restraint system............................ 58
Child seats definition .......................... 58
Child seats installation ................. 65, 71
Front passenger occupant
classification system ...........................51
Installing a CRS to
the passenger seat............................ 62
Installing a CRS to the rear
seat............................................................ 64
Installing CRS
with LATCH anchors ..................... 72
Installing CRS with seat belts ..........65
Installing CRS
with top tether strap ......................... 76 Child safety ................................................. 57
Airbag precautions...............................42
Battery precautions ............... 410, 525
Child restraint system......................... 58
How your child should wear
the seat belt .......................................... 36
Installing child restraints .................... 58
Moon roof precautions ................... 189
Power window lock switch.............182
Power window precautions .......... 185
Removed electronic
key battery precautions .............. 428
Seat belt extender
precautions .......................................... 39
Seat belt precautions .......................... 38
Seat heater precautions ................. 344
Trunk precautions ...............................154C

619Alphabetical index
RC F_U Cleaning......................................... 376, 381
Aluminum wheels .............................. 377
Exterior....................................................376
Interior ...................................................... 381
Seat belts ............................................... 382
Clock ......................................................... 355
Coat hooks..............................................358
Compass .................................................. 366
Condenser .............................................. 406
Console box ............................................ 351
Cooling system ..................................... 404
Engine overheating...........................526
Cruise control
Dynamic radar cruise control..... 268
Cup holders ............................................ 352
Current fuel consumption ....... 108, 122
Curtain shield airbags ........................... 40
Customizable features ....................... 569 Daytime running light system...........226
Defogger
Outside rear view mirrors ............338
Rear window........................................338
Windshield............................................338
Differential
Front differential .................................545
Rear differential................................... 546
Dimension ............................................... 536
Dinghy towing ....................................... 206
Display
Drive information...................... 108, 122
Dynamic radar cruise control .....268
LDA (Lane Departure Alert
with steering control) ................... 265
Multi-information display....... 103, 118
Warning message.............................460
Distance ...........................................108, 122
Do-it-yourself maintenance............... 391
Door courtesy lights
Location ................................................. 347
Door lock
Doors.........................................................145
Smart access system with
push-button start ..............................156
Wireless remote control..................140 D

620 Alphabetical index
RC F_U Doors...........................................................145
Automatic door locking
and unlocking system.................... 148
Door lock .................................................147
Open door warning buzzer.......... 146
Open door warning light...............454
Outside rear view mirrors .............. 178
Side windows ........................................ 182
Drive info 1/Drive info 2/
Drive info 3 ................................. 108, 122
Drive information ........................ 108, 122
Resetting......................................... 106, 119
Drive-Start Control .................... 193, 218
Driver’s seat position memory ..........166
Driving.........................................................192
Break-in tips .......................................... 193
Correct driving posture .................... 32
Driving mode select switch ........... 301
Procedures ............................................ 192
Winter drive tips ................................ 320
DRS (Dynamic Rear Steering) .........312
Warning message ............................ 460
Dynamic radar cruise control ......... 268
Dynamic Rear Steering (DRS) .........312
Warning message ............................ 460 Eco drive mode.......................................301
Eco Driving Indicator ...................116, 132
Eco Driving Indicator Light......... 111, 129
Eco driving meter ....................................96
EDR (Event data recorder)................... 10
Elapsed time...................................108, 122
Electric Power Steering (EPS) ......... 313
Warning light ....................................... 454
Electronic key .......................................... 140
Battery-saving function ................... 158
If the electronic key does not
operate properly ............................. 518
Replacing the battery .......................427
Emergency flashers .............................442
Emergency tire puncture
repair kit................................................ 502 E