2021 LEXUS RC300 reset

3017-2. Steps to take in an emergency
7
When trouble arises
■Brake hold operated indicator (warning buzzer)
■SRS warning light
This warning light system monitors the air-
bag sensor assembly, fr ont impact sensors,
side impact sensors (door), side impact
sensors (front), side impact sensors (rear),
driver’s seat position sensor, driver’s seat
belt buckle switch, front passenger occu-
pant classification system, “AIR BAG ON”
indicator light, “AIR BAG OFF” indicator
light, front passenger’s seat belt buckle
switch, seat belt pret ensioners, airbags,
interconnecting 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 th e 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 steering system warning
light may come on and the warning buzzer
may sound.
■When the tire pressure warning light
comes on
Check the tire inflatio n pressure and adjust
to the appropriate leve l. 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 wa rning 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 the 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 though the flat tire has
been replaced with the spare tire.
■Conditions that the tire pressure warn-
ing system may not function properly
 P.268
■If the tire pressure warning light fre-
quently comes on after blinking for 1
minute
If the tire pressure wa rning 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 buzzer
In some cases, the buzzer may not be heard
due to being in a noisy location or audio
sound.
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by your Lexus dealer immediately.

3067-2. Steps to take in an emergency
full-speed range
■If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule
* should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. ( P.248)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.248)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil is scheduled to
be changed. (The indicator will not work
properly unless the oil maintenance data
has been reset.)
Check the engine oil, and change if neces-
sary. After changing the engine oil, the oil
change system should be reset. ( P.260)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed. (After the engine oil is changed
and the oil maintenance data has been
reset.) Check and change the en
gine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, the oil change system should be
reset. ( P.260)
■If a message that indicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■If “See Owner’s Manual” is displayed
●If the following messages are shown, fol-
lowing the instruct ions, accordingly.
• “Engine Coolant Temp High” ( P.322)
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Braking Power Low”
• “Access System with Elec. Key Malfunc-
tion”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Oil Pressure Low”
• “Charging System Malfunction”
NOTICE
■“High Power Consumption Partial
Limit On AC/Heater Operation” is
frequently shown
There is a possible malfunction relating
to the charging system or the battery
may be deteriorating. Have the vehicle
inspected by your Lexus dealer.

3528-2. Customization
Definition of symbols: O = Available, — = Not available
■Gauges, meters and multi-information display (P.62, 66, 71)
Function*1Default settingCustomized setting
LanguageEnglishFrenchOO—Spanish
Units*2miles (MPG US)
km (km/L)
OO—km (L/100 km)
miles (MPG Impe-
rial)
Switch settings*3Drive information 1Desired status
screen
*4—O—
Drive information 1
Current fuel con- sumption
Customizable items: P.73—O—
Average fuel econ-
omy (after reset)
Drive information 2
Distance (driving range)
Average vehicle
speed (after reset)
Drive information 3
Average fuel con- sumption (after refuel)
Elapsed time (after start)
Pop-up displayOnOff—O—
Accent color*3Color 1Color 2OO—
Needle*5Color 1Color 2—O—Color 3
ABC

392Alphabetical Index
Power easy access system ........................102
Power outlet .................................................. 230
Power steering (Electric power steering
system)............................................................201 Warning light ............................................... 297
Power windows Door lock linked window operation... 113
Jam protection function..............................112
Operation..........................................................112
Window lock switch ................................... 113
Pre-Collision System (PCS) Function ............................................................ 162
PCS OFF switch ..........................................164
Warning light ...............................................298
Warning message.....................................303
R
Radar cruise control (dynamic radar cruise control with full-speed range)............... 176
Radiator ........................................................... 262
RCTA Function ............................................................. 191
Rear Cross Traffic Alert (RCTA) ............ 191
Rear seats .......................................................... 101 Head restraints ............................................ 105
Seat heaters .................................................. 223
Seat ventilators............................................ 223
Rear side marker lights Light switch ..................................................... 142
Rear turn signal lights Turn signal lever ...........................................136
Wattage..........................................................338
Rear view mirror Inside rear view mirror............................. 109
Outside rear view mirrors ....................... 110
Rear window defogger ...............................219
Refueling Capacity .........................................................330
Fuel types.......................................................330
If the fuel filler door cannot be opened...........................................................................316
Opening the fuel tank cap ..................... 155 Remote Touch ................................................210
Replacing
Electronic key battery .............................. 277
Fuses................................................................. 278
Light bulbs ...................................................... 281
Tires ..................................................................307
Resetting the message indicating mainte- nance is required ...................................... 248
Rev indicator .................................................... 69
Rev peak............................................................. 69
S
Seat belt reminder light............................. 299
Seat belts............................................................ 24 Automatic Locking Retractor................. 26
Child restraint system installation ..40, 41
Cleaning and maintaining the seat belt..........................................................................245
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt ............................................................................. 25
Pregnant women, proper seat belt use ............................................................................. 24
Reminder light and buzzer ...................299
Seat belt extender......................................... 25
Seat belt pretensioners .............................. 27
SRS warning light.......................................296
Seat heaters ................................................... 223
Seat position memory..................................102
Seat ventilators ............................................. 223
Seating capacity.............................................125
Seats Adjustment ....................................................... 99
Cleaning .........................................................245
Driving position memory ........................ 102
Head restraints............................................. 105
Power easy access system .................... 102
Properly sitting in the seat ........................ 23
Seat heaters .................................................. 223
Seat position memory .............................. 102
Seat ventilators ............................................ 223

394Alphabetical Index
Outside rear view mirror switches ...... 110
Paddle shift switches ....................... 133, 134
Parking brake switch ................................. 137
PCS OFF switch ..........................................164
Power door lock switch ............................ 90
Power window switches ............................112
Rear window and outside rear view mir-ror defoggers switch ..............................215
Seat heater switches ................................ 223
Seat ventilator switches .......................... 223
Snow mode switch .....................................133
“SOS” button .................................................. 52
Tilt and telescopic steering control switch .......................................................................... 108
Tire pressure warning reset switch .. 270
Trunk opener main switch ....................... 94
Trunk opener switch ................................... 92
VSC OFF switch ....................................... 202
Window lock switch ................................... 113
Windshield wiper and washer switch147
Windshield wiper de-icer switch ........ 219
T
Tachometer....................................................... 66 Rev indicator ................................................... 69
Rev peak ........................................................... 69
Tail lights Light switch ..................................................... 142
Replacing light bulbs................................ 282
Wattage..........................................................338
Theft deterrent system Alarm .................................................................. 57
Engine immobilizer system ..................... 56
Theft prevention labels............................... 59
Tire inflation pressure Maintenance data...................................... 334
Tire inflation pressu re display function
.........................................................................268
Warning light .............................................. 300
Tire information ..............................................341 Glossary......................................................... 345
Size.................................................................... 343 Tire identification number...................... 342
Uniform Tire Quality Grading ............344
Tire infration pressure .................................. 75
Tire pressure display ... ............................... 268
Tire pressure warning system Function ......................................................... 268
Initializing........................................................269
Installing tire pres sure warning valves
and transmitters.......................................269
Registering ID codes ................................. 271
Warning light .............................................. 300
Tires Chains ............................................................ 206
Checking .......................................................265
If you have a flat tire ..................................307
Inflation pressure ........................................ 273
Information ......................................................341
Replacing .......................................................307
Rotating tires ................................................ 267
Size ....................................................................334
Snow tires ..................................................... 205
Spare tire ........................................................307
Tire inflation pressure display function......................................................................... 268
Tire pressure warning system ............ 268
Warning light .............................................. 300
Tools.................................................................. 307
Top tether strap.........................................41, 49
Total load capacity ...................................... 328
Towing Dinghy towing ...............................................126
Emergency towing................................... 289
Towing eyelet.................................................291
Trailer towing .................................................126
TRAC (Traction Control) ..........................201
Traction Control (TRAC) ..........................201
Trailer towing ..................................................126
Transmission Automatic transmission ............................. 131
Driving mode select switch ................... 199
M mode ............................................................134
Paddle shift switches ....................... 133, 134