check engine light LEXUS RCF 2022 Owner's Manual

3067-2. Steps to take in an emergency
RC F Owner's Manual
buckle switch, seat belt pretensioners,
airbags, interconnect ing wiring and power
sources. ( P.29)
■Front passenger detection sensor, seat
belt reminder and warning buzzer
●If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause the warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■If the malfunction indicator lamp comes
on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving
trips.
If the light does not go off even after several
trips, contact your Lexus dealer as soon as
possible.
■Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient or the voltage temporarily drops, the
electric power steeri ng system warning
light may come on and the warning buzzer
may sound.
■When the tire pressure warning light
comes on
Check the tire inflation pressure and adjust
to the appropriate level. Pushing the tire
pressure warning reset switch will not turn
off the tire pressure warning light.
■The tire pressure warning light may
come on due to natural causes
The tire pressure warning light may come
on due to natural causes such as natural air
leaks and tire inflation pressure changes
caused by temperature. In this case, adjust-
ing the tire inflation pressure will turn off the
warning light (after a few minutes).
■When a tire is replaced with a spare tire
The spare tire is not equipped with a tire
pressure warning valve and transmitter. If a
tire goes flat, the tire pressure warning light
will not turn off even th ough the flat tire has
been replaced with the spare tire.
■Conditions that the tire pressure warn-
ing system may not function properly
P.274
■If the tire pressure warning light fre-
quently comes on after blinking for 1
minute
If the tire pressure warning light frequently
comes on after blinking for 1 minute when
the engine switch is turned to IGNITION
ON mode, have it checked by your Lexus
dealer.
WARNING
■If both the ABS and the brake system
warning lights remain on
Stop your vehicle in a safe place immedi-
ately and contact your Lexus dealer. The
vehicle will become extremely unstable
during braking, and the ABS system may
fail, which could cause an accident
resulting in death or serious injury.
■When the electric power steering
system warning light comes on
The steering wheel may become
extremely heavy.
When steering wheel operations are
heavier than usual, grip the steering
wheel firmly and operate it using more
force than usual.
■If the tire pressure warning light
comes on
Be sure to observe the following precau-
tions. Failure to do so could cause a loss
of vehicle control and result in death or
serious injury.
Vehicles with a spare tire
●Stop your vehicle in a safe place as
soon as possible. Adjust the tire infla-
tion pressure immediately.

3097-2. Steps to take in an emergency
RC F Owner's Manual
7
When trouble arises
The warning lights and warning buzzers operate as follows depending on the con-
tent of the message. If a message indicates the need for inspection by a dealer, have
the vehicle inspected by your Lexus dealer immediately.
 In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.
 If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective actio n according to the warning light. ( P.300)
*: A buzzer sounds the first time a message is shown on the multi-information display.
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary. This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■If “Engine Stopped Steering Power
Low” is displayed
This message is displayed if the engine is
stopped while driving.
When steering wheel operations are
heavier than usual, gr ip the steering wheel
firmly and operate it using more force than
usual.
■If “Power Turned Off to Save Battery” is
displayed
Power was turned off due to the automatic
Messages and warnings
Warning buzzer*Warning
Comes onSounds
Indicates an important situat ion, such as when a sys-
tem related to driving is ma lfunctioning or that dan-
ger may result if the co rrection procedure is not
performed
FlashesSoundsIndicates a situation, such as when damage to the
vehicle or danger may result
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their cond ition, or indicates the
need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly

3267-2. Steps to take in an emergency
RC F Owner's Manual
3Lower the vehicle.
4 Firmly tighten each wheel nut two
or three times in the order shown in
the illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
5Stow the flat tire, tire jack and all
tools.
■The spare tire
●Use the spare tire temporarily, and only in
an emergency.
●Make sure to check the tire inflation pres-
sure of the spare tire. ( P.345)
■When using the spare tire
As the spare tire is not equipped with a tire
pressure warning valve and transmitter, low
inflation pressure of the spare tire will not be
indicated by the tire pressure warning sys-
tem. Also, if you replace the spare tire after
the tire pressure warning light comes on,
the light remains on.
*:If equipped
■When the spare tire is equipped
The vehicle becomes lower when driving
with the spare tire compared to when driv-
ing with standard tires.
WARNING
■When using the spare tire
●Remember that the sp are tire provided
is specifically designed for use with
your vehicle. Do not use your spare
tire on another vehicle.
●Do not use more than one spare tire
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:
• ABS & Brake assist
•VSC
•TRAC
• Dynamic radar cruise control
•PCS
•EPS
• Adaptive Variable Suspension System
• LDA (Lane Departure Alert with steering control)
• VDIM (Vehicle Dynamics Integrated Management)
• Tire pressure warning system
•Lexus parking assist monitor
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)

3438-1. Specifications
RC F Owner's Manual
8
Vehicle specifications
*: The fluid capacity is a reference quantity. If replacement is necessary, contact your Lexus dealer.
■Spark plug
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
Ignition system (spark plug)
MakeDENSO FK20HBR-J8
Gap0.031 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system (battery)
Open voltage at 68°F (20°C):
12.3 V or higher
If the voltage is lower than the standard value,
charge the battery.
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A max.
Automatic transmission
Fluid capacity*11.8 qt. (11.2 L, 9.9 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Automatic transmission fluid type
Using transmission fluid other than the abov e type may cause abnormal noise or vibra-
tion, or damage the transm ission of your vehicle.

381What to do if... (Troubleshooting)
RC F Owner's Manual
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.133)
 It is locked automatically to prevent
theft of the vehicle. ( P.128)
 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.113)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.131)
 The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? (P.304)
The parking brake indicator is on
Is the parking brake released? ( P.137)
Depending on the situation, other
types of warning buzzer may also
sound. (P.300, 308)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.58)
Do one of the following to deactivate
or stop the alarm:
 Unlock the doors.
 Open the trunk using the entry
function or wireless remote control.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.308)
When a warning light turns on or a
warning message is displayed, refer
to P.300, 308.
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
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

396Alphabetical Index
RC F Owner's Manual
Door glasses ....................................................112
Door lock.......................................................... 92
Open door warning buzzer93, 94, 304
Open door warning light ......................304
Outside rear view mirrors ....................... 110
Drive distance ...................................................75
Drive info 1/Drive info 2/Drive info 3.....75
Drive information ............................................75
Driver’s and front passenger’s seat belt reminder light............................................. 304
Driver’s seat position memory Driving position memory........................ 105
Memory recall function ........................... 106
Power easy access system .................... 105
Drive-start control ......................................... 119
Driving Break-in tips .................................................... 119
Correct driving posture .............................23
Driving mode select switch .................... 192
Procedures ...................................................... 118
Winter drive tips......................................... 203
Driving information display .........................75
Driving position memory........................... 105 Memory recall function ........................... 106
Power easy access system .................... 105
Driving range ....................................................75
Driving support system information display ...............................................................................81
Dynamic radar cruise control ................... 171 Warning message.......................................178
E
Eco Driving Indicator.....................................76
Eco Driving Indicator Light .........................76
EDR (Event data recorder) ........................... 8
Elapsed time ......................................................75
Electric Power Steering (EPS) ................199Electric power steer ing system warning
light ................................................................ 302
Electronic key .................................................. 88 Battery-saving function ............................. 99 If the electronic key does not operate
properly ...................................................... 330
Replacing the battery ................................ 281
Emergency flashers .................................... 292
Emergency tire puncture ............................ 311
Emergency, in case of If a warning buzzer sounds.................. 300
If a warning light turns on...................... 300
If a warning message is displayed.... 308
If the battery is discharged .................... 332
If the electronic key does not operate properly ...................................................... 330
If the engine will not start........................ 327
If the fuel filler do or cannot be opened
..........................................................................329
If the vehicle is submerged or water on the road is rising ...................................... 293
If you have a flat tire ........................... 311, 321
If you lose your keys .................................329
If you think something is wrong......... 298
If your vehicle becomes stuck ............ 338
If your vehicle has to be stopped in an emergency ................................................. 292
If your vehicle needs to be towed .....295
If your vehicle overheats ........................336
Engine ACCESSORY mode............................... 130
Compartment..............................................265
Engine switch ................................................ 128
Fuel pump shut off system.....................299
Hood ................................................................ 262
Identification number .................................341
If the engine will not start........................ 327
If your vehicle has to be stopped in an emergency ................................................. 292
Ignition switch (engine switch)............. 128
Overheating .................................................336
Tachometer ..................................................... 66
Engine coolant Capacity ......................................................... 342
Checking ....................................................... 267

397Alphabetical Index
RC F Owner's Manual
Preparing and checking before winter......................................................................... 203
Engine coolant temperature gauge ....... 66
Engine immobilizer system .........................57
Engine oil Capacity ...........................................................341
Checking ....................................................... 265
Low engine oil pressure warning light.......................................................................... 301
Preparing and checking before winter ......................................................................... 203
Engine switch ..................................................128 Auto power off function ............................ 131
Changing the engine switch modes. 130
If your vehicle has to be stopped in an
emergency ................................................ 292
EPS (Electric Power Steering) ................199 Electric power steer ing system warning
light ................................................................ 302
Event data recorder (EDR) ........................... 8
F
First-aid kit storage belt ............................ 225
Flat tire Tire pressure warning system ............. 273
Vehicles with a spare tire ........................ 321
Vehicles without a spare tire .................. 311
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 343
Brake....................................................268, 344
Washer ........................................................... 270
Footwell light ................................................... 221
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment..................................................... 103
Cleaning......................................................... 243
Correct driving posture .............................23
Driving position memory........................ 105
Memory recall function ........................... 106
Power easy access system .................... 105 Seat heaters ....................................................219
Seat position memory .............................. 105
Seat ventilators ..............................................219
Front side marker light Light switch .................................................... 138
Front turn signal lights Replacing light bulbs................................ 287
Turn signal lever .......................................... 136
Fuel Capacity ...........................................................341
Fuel gauge........................................................ 66
Fuel pump shut off system.....................299
Information .................................................... 347
Low fuel level warning light ................. 304
Refueling.......................................................... 150
Type ....................................................................341
Fuel consumption Average fuel economy .............................. 75
Current fuel consumption ........................ 75
Fuel filler door If the fuel filler do or cannot be opened
..........................................................................329
Refueling.......................................................... 150
Fuel gauge ......................................................... 66
Fuel pump shut off system........................ 299
Fuses ................................................................. 283
G
Garage door opener ................................. 229
Gauges ............................................................... 66
Gear Position ....................................................76
G-force................................................................79
Glove box ....................................................... 224
Glove box light ............................................. 224
H
Headlight aim ................................................ 285
Headlights Automatic High Beam system ............. 140
Light switch .................................................... 138
Replacing light bulbs................................ 287

400Alphabetical Index
RC F Owner's Manual
“F” content ......................................................... 77
Gear Position ................................................. 76
G-force.............................................................. 79
History (Lap timer) ...................................... 78
Lap timer ............................................................ 77
LDA (Lane Departure Alert with steering control) ..........................................................166
Menu icons .......................................................74
Meter control switches ...............................74
Navigation system-linked display ..........81
Pop-up display................................................73
Settings ................................................................81
Tire pressure ........................................76, 273
Torque distribution ...................................... 78
Units .................................................................... 76
Vehicle sway warning ................................ 76
Warning message.................................... 308
Warning message display .........................81
N
Navigation system-linked display..............81
Noise from under vehicle ...............................6
O
“ODO TRIP” switch .......................................72
Odometer ..........................................................72
Odometer and trip meter display ............72 Display items ....................................................72
“ODO TRIP” switch ..................................... 72
Oil Differential oil ............................................... 344
Engine oil .........................................................341
Opener Fuel filler door............................................... 150
Hood................................................................ 262
Trunk ................................................................... 96
Outer foot lights Location............................................................ 221
Outside rear view mirrors Adjustment....................................................... 110
BSM (Blind Spot Monitor) ..................... 179 Folding.................................................................. 111
Linked mirror function when reversing111
Mirror position memory .......................... 105
Outside rear view mirror defoggers 215
RCTA function ..............................................179
Outside temperature.................................... 66
Overheating .................................................. 336
P
Paddle shift switches ..........................134, 135
Panic mode ....................................................... 90
Parking brake Operation ........................................................137
Parking brake engaged warning buzzer............................................................................137
Parking brake warning light .................302
Warning message .......................................137
Parking lights Light switch .................................................... 138
Replacing light bulbs................................ 287
PCS (Pre-Collision System) Function ............................................................157
PCS OFF switch ......................................... 159
PCS warning light .................................... 303
Personal lights................................................. 221
Power control unit coolant Preparing and checking before winter..........................................................................203
Power easy access system ....................... 105
Power outlet .................................................. 226
Power steering (Elect ric power steering
system) ............................................................199 Electric power steering system warning light ................................................................302
Power windows Door lock linked window operation ... 113
Jam protection function ............................. 112
Operation ......................................................... 112
Window lock switch.................................... 113
Pre-Collision System (PCS) Function ............................................................157
PCS OFF switch ......................................... 159

403Alphabetical Index
RC F Owner's Manual
Tilt and telescopic steering control switch.......................................................................... 108
Tire pressure warning reset switch .. 276
Trunk opener main switch ....................... 98
Trunk opener switch ................................... 96
TVD (Toruqe Vectoring Differential) switch.............................................................. 197
VSC OFF switch .......................................200
Window lock switch ................................... 113
Windshield wiper and washer switch143
Windshield wiper de-icer switch ........ 215
T
Tachometer....................................................... 66 Rev indicator ................................................... 70
Rev peak ............................................................. 71
Tail lights Light switch .................................................... 138
Replacing light bulbs................................ 287
Theft deterrent system Alarm ..................................................................58
Engine immobilizer system ..................... 57
Theft prevention labels............................... 60
Tire inflation pressure Maintenance data...................................... 345
Tire inflation pressure display function......................................................................... 273
Tire pressure warning light .................. 305
Tire information ............................................ 349 Glossary......................................................... 352
Size................................................................... 350
Tire identification number .................... 350
Uniform Tire Quality Grading..............351
Tire infration pressure ...................................76
Tire pressure display .................................. 273
Tire pressure warning system Function .......................................................... 273
Initializing ....................................................... 275
Installing tire pressure warning valves and transmitters ...................................... 275
Registering ID codes ............................... 276
Tire pressure warning light .................. 305 Tires
Chains .............................................................204
Checking ......................................................... 271
Emergency tire puncture repair kit...... 311
If you have a flat tire ........................... 311, 321
Inflation pressure ........................................ 277
Information ....................................................349
Replacing .........................................................321
Rotating tires ................................................ 273
Size ....................................................................345
Snow tires ......................................................203
Spare tire ..........................................................321
Tire inflation pressure display function .......................................................................... 273
Tire pressure warning light .................. 305
Tire pressure warning system ............. 273
Tools........................................................ 312, 322
Top tether strap........................................ 43, 51
Toruqe Vectoring Differential (TVD) ... 197
Total load capacity ...................................... 340
Towing Dinghy towing ............................................... 127
Emergency towing....................................295
Towing eyelet............................................... 297
Trailer towing ................................................. 127
TRAC (Traction Control) ..........................199
Traction Control (TRAC) ..........................199
Trailer towing .................................................. 127
Transmission Automatic transmission ............................132
Driving mode select switch ....................192
M mode ........................................................... 135
Paddle shift switches ....................... 134, 135
Trip meters .........................................................72
Trunk .................................................................... 95 Smart access system with push-button start ................................................................... 96
Trunk features .............................................. 225
Trunk grip ......................................................... 97
Trunk light ......................................................... 97
Trunk opener main switch........................98
Trunk opener switch ................................... 96

404Alphabetical Index
RC F Owner's Manual
Trunk storage extension ........................ 226
Wireless remote control........................... 97
Turn signal lights Replacing light bulbs................................ 287
Turn signal lever ...........................................136
TVD (Toruqe Vectoring Differential) ... 197
V
Vanity lights.................................................... 228
Vanity mirrors ............................................... 228
VDIM (Vehicle Dynamics Integrated Man-
agement)........................................................199
Vehicle data recording ....................................7
Vehicle Dynamics Integrated Manage- ment (VDIM)................................................199
Vehicle identification number ................ 340
Vehicle Stability Control (VSC) .............199
Vehicle sway warning display ....................76
Ventilators (seat ventilators).....................219
VSC (Vehicle Stabilit y Control) .............199
W
Warning buzzer
Open door....................................................304
Warning buzzers Approach warning...................................... 176
Brake Override System ......................... 302
Downshifting ..................................................135
Driver’s and front passenger’s seat belt.........................................................................304
Drive-Start Control .................................. 302
Electric power steering .......................... 302
High coolant temperature ................... 300
LDA (Lane Departure Alert with steering control) ..........................................................164
Low engine oil pressure.......................... 301
Open door.............................................. 93, 94
Open window ................................................ 113
Parking brake .............................................. 302
Pre-collision braking................................. 158
Rear passengers’ seat belt ................... 305 Warning lights...............................................300
ABS.................................................................... 301
Automatic headlight leveling system304
Brake Override System .........................302
Brake system............................................... 300
Charging system....................................... 300
Driver’s and front pa ssenger’s seat belt
reminder light .......................................... 304
Drive-Start Control...................................302
Electric power steering...........................302
High coolant temperature.................... 300
LDA indicator ............................................. 303
Low engine oil pressure .......................... 301
Low fuel level .............................................. 304
Malfunction indicator lamp .................... 301
Master warning light................................ 305
Open door warning ................................ 304
Parking brake indicator ..........................302
Pre-collision system................................. 303
Rear passengers’ seat belt reminder lights ............................................................. 305
Slip indicator................................................ 303
SRS ..................................................................... 301
Tire pressure ............................................... 305
Warning message .......................................308
Warning message display.............................81
Washer Checking ....................................................... 270
Preparing and checking before winter..........................................................................203
Switch.................................................................143
Washing and waxing.................................. 238
Weight Cargo capacity .............................................126
Load limits .......................................................126
Weight............................................................ 340
Wheels ............................................................. 279 Size ....................................................................345
Window lock switch ...................................... 113
Windows Power windows ............................................. 112
Rear window defogger............................ 215