2021 LEXUS IS300 reset

3106-3. Do-it-yourself maintenance
Every tire pressure warning valve and
transmitter has a unique ID code.
When replacing a tire pressure warn-
ing valve and transmitter, it is necessary
to register the ID codes.
1Park the vehicle in a safe place, turn
the engine switch off, wait 20 min-
utes or more, and then start the
engine.
Registering cannot be performed while the
vehicle is moving.
2Start the engine. ( P.134)
3 Press the tire pressure warning
reset switch 3 times quickly.
The tire pressure wa rning light will blink
slowly 3 times.
Sensor registration mode will be entered
and ID codes registration will begin.
A message will be displayed on the
multi-information display and “- -” will be
displayed for the tire inflation pressure of
each tire.
After this, the tire pressure warning light will blink for 1 minute
and then illuminate.
4Wait approximately 2 minutes.
If the ID codes are already registered, the
tire pressure warning light will turn off.
If the tire pressure warning light
turns off
5 Initialize the tire pressure warning
system. ( P.308)
If the tire pressure warning light
does not turn off
5 Drive at approximately 25 mph
(40 km/h) or more until the tire
pressure warning light turns off.
6 Initialize the tire pressure warning
system. ( P.308)
■When registering ID codes
●Before performing ID code registration,
make sure that no wheels with tire pres-
sure warning valve and transmitters
installed are near the vehicle.
●Make sure to initializ e the tire pressure
warning system after registering the ID
codes. If the system is initialized before
registering the ID codes, the initialized
values will be invalid.
●As the tires will be warm when registra-
tion is completed, ma ke sure to allow the
tires to cool before performing initializa-
tion.
■Canceling ID code registration
●To cancel ID code regi stration after it has
been started, turn the engine switch off
WARNING
■When initializing the tire pressure
warning system
Do not operate the ti re pressure warning
reset switch without first adjusting the tire
inflation pressure to the specified level.
Otherwise, the tire pressure warning
light may not come on even if the tire
inflation pressure is low, or it may come
on when the tire inflation pressure is
actually normal.
Registering ID codes

3477-2. Steps to take in an emergency
7
When trouble arises
■If “Engine Stopped Steering Power
Low” is displayed
This message is displa yed if the engine is
stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
■If “Auto Power Off to Conserve Battery”
is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the engine, increase the engine speed
slightly and maintain that level for approxi-
mately 5 minutes to recharge the battery.
■If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●The automatic headlight leveling system
(if equipped)
●Automatic High Beam
■If “Radar Cruise Control Unavailable
See Owner's Manual” is displayed
The dynamic radar cruise control with
full-speed range system is suspended tem-
porarily or until the problem shown in the
message is resolved. (causes and coping
methods: P.168)
■If “Radar Cruise Control Unavailable” is
displayed
The dynamic radar cruise control with
full-speed range system cannot be used
temporarily. Use the system when it
becomes available again.
■If a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.168, 337)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assist) (if equipped)
●Dynamic radar cruise control with
full-speed range
■If a message that indicates the malfunc-
tion of radar sensor is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.168, 337)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Dynamic radar cruise control with
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.286)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all mainte nance 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.286)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.

3487-2. Steps to take in an emergency
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.298)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
(  P.298)
■If a message that in dicates 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 a message that in dicates the need for
referring to Owner’s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.365)
• “High Transmission Fluid Temp” ( P.138)
●If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
●If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
NOTICE
■If “High Power Consumption Power
to Climate Temporarily Limited” is
displayed frequently
There is a possible malfunction relating
to the charging system or the battery
may be deteriorating. Have the vehicle
inspected by your Lexus dealer.

3958-2. Customization
8
Vehicle specifications
Definition of symbols: O = Available, — = Not available
■Gauges, meters and multi-information display (P.66, 71, 76)
*1: For details about each function: P.82
Function*1Default settingCustomized setting
LanguageEnglishFrenchOO—Spanish
Units*2miles (MPG US)
miles (MPG Impe-
rial)
OO—km (L/100 km)
km (km/L)
Eco Driving Indicator LightOnOff—O—
Switch settings*3Drive information 1Desired status
screen
*4—O—
Drive information 1
Current fuel con- sumption
Customizable items: P.79
—O—Average fuel econ-
omy (after reset)
Drive information 2
Distance (driving range)
—O—Average vehicle
speed (after reset)
Drive information 3*3
Average fuel con- sumption (after refuel)
—O—
Elapsed time (after start)
Pop-up displayOnOff—O—
ColorColor 1Color 2OO—
Rev indicator*55000 rpm
2000 - 6800
rpm
*6
2000 - 6100 rpm*7—O—
Off
Rev peak*5OnOff—O—
ABC

428Alphabetical Index
Parking Support Brake function (for rear-crossing vehicles) .......................... 232Function .......................................................... 232
Parking Support Brake function (static objects) ......................................................... 226Function .......................................................... 226
PCS (Pre-Collision System) Function ............................................................170
PCS OFF switch .......................................... 173
Warning light ............................................... 342
Personal lights............................................... 263
PKSA (Parking Support Alert) ..............208
PKSB (Parking Support Brake)............... 221 Warning message..................................... 225
Power easy access system ....................... 108
Power outlets .................................................. 271
Power steering (Elect ric power steering
system).......................................................... 238 Warning light ...............................................340
Power window switch lights .................... 263
Power windows Door lock linked window operation... 119
Jam protection function............................. 118
Operation......................................................... 118
Window lock switch ................................... 119
Pre-Collision System (PCS) Function ............................................................170
PCS OFF switch .......................................... 173
Warning light ............................................... 342
R
Radar cruise control (dynamic radar cruise control with full-speed range)...............192
Radiator ...........................................................300
RCTA Function ............................................................ 216
Warning message....................................... 217
RCTA (Rear Cross Traffic Alert) .........208
RCTA function ............................................... 217
Rear Cross Traffic Alert (RCTA) ........... 216
Rear seats .........................................................107 Head restraints ................................................ 111 Rear side marker lights
Light switch .................................................... 149
Rear sunshades .............................................272
Rear turn signal lights Replacing light bulbs .................... 322, 323
Turn signal lever ...........................................142
Wattage ........................................................... 381
Rear view mirror Inside rear view mirror ............................... 114
Outside rear view mirrors........................ 116
Rear window defogger ............................. 255
Refueling Capacity ......................................................... 374
Fuel types ....................................................... 374
If the fuel filler do or cannot be opened
......................................................................... 359
Opening the fuel tank cap ....................... 161
Remote Touch .............................................. 248
Replacing Electronic key battery ............................... 316
Fuses.................................................................. 318
Light bulbs .......................................................321
Tires ..................................................................349
Resetting the message indicating mainte- nance is required ...................................... 286
Rev indicator .....................................................73
Rev peak..............................................................74
Road Sign Assist ........................................... 189
RSA (Road Sign Assist) ............................. 189
S
Seat belt reminder light............................. 340
Seat belts............................................................ 24 Automatic Locking Retractor................. 26
Child restraint system installation ......... 42
Cleaning and maintaining the seat belt..........................................................................283
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt ............................................................................. 25

430Alphabetical Index
SunshadeRoof ......................................................................121
Switch ASC (Active Sound Control) dial ...... 147
Switches Activating the Automatic High Beam 151
Automatic High Beam system............... 151
Brake Hold switch ......................................146
Door lock switches ...................................... 94
Driving mode select switch .................. 236
Driving position memory switches .... 108
Dynamic radar cruise control with full-speed range switch ......................... 192
Emergency flashers switch ................... 328
Engine switch................................................. 134
Garage door opener switches .......... 273
Heated steering wheel switch...............261
Ignition switch................................................134
Instrument panel light control switches ............................................................................ 75
Intuitive parking assist switch...................211
Light switches ................................................149
LTA (Lane Tracing Assist) switch...... 185
Meter control switches ............................... 77
Moon roof switches ...................................120
“ODO TRIP” switch .................................... 75
Outside rear view mirror switches ...... 116
Paddle shift switches ......................... 140, 141
Parking brake switch ................................. 143
PCS OFF switch .......................................... 173
PKSB (Parking Support Brake) switch ........................................................................... 221
Power door lock switch ............................ 94
Power window switches ........................... 118
RCTA switch..................................................216
Rear sunshades switch ............................272
Rear window and outside rear view mir- ror defoggers switch ............................ 253
Seat heater switches .................................. 261
Seat ventilator switches ............................ 261
Snow mode switch .................................... 140
“SOS” button .................................................. 54 Tilt and telescopic steering control switch
............................................................................. 113
Tire pressure warning reset switch.. 308
Trunk opener main switch........................98
Trunk opener switch ................................... 97
Vehicle-to-vehicle di stance switch.....192
VSC OFF switch .......................................239
Window lock switch.................................... 119
Windshield wiper and washer switch154
Windshield wiper de-icer......................259
T
Tachometer................................................. 71, 72 Rev indicator ................................................... 73
Rev peak............................................................ 74
Tail lights Light switch .................................................... 149
Replacing light bulbs ................................ 322
The Secondary Collision Brake ............ 239
Theft deterrent system Alarm................................................................... 62
Engine immobilizer system......................60
Theft prevention labels ............................... 63
Tire inflation pressure Maintenance data ...................................... 379
Tire inflation pressure display function......................................................................... 305
Warning light .................................................341
Tire information ............................................ 384 Glossary ........................................................ 388
Size ................................................................... 386
Tire identification number..................... 385
Uniform Tire Quality Grading ............387
Tire pressure display ... ...............................305
Tire pressure warning system Function ......................................................... 305
Initializing....................................................... 308
Installing tire pres sure warning valves
and transmitters.......................................307
Registering ID codes ................................ 310
Warning light .................................................341