
3TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
4-2. Driving proceduresEngine (ignition) switch .............. 125
Automatic transmission.............. 129
Turn signal lever............................. 134
Parking brake ................................. 135
ASC (Active Sound Control) ............................................................ 135
4-3. Operating the lights and wipers Headlight switch ............................ 137
Automatic High Beam ................ 139
Windshield wipers and washer ............................................................ 142
4-4. Refueling Opening the fuel tank cap......... 149
4-5. Using the driving support systems Lexus Safety System + ................ 152
PCS (Pre-Collision System)..... 156
LDA (Lane Departure Alert with  steering control) ......................... 163
Dynamic radar cruise control ............................................................ 170
Intuitive parking assist ................. 178
BSM (Blind Spot Monitor) ........ 184
Driving mode select switch....... 192
Driving assist systems .................. 194
4-6. Driving tips Winter driving tips ........................ 198
5-1. Remote Touch/Display Remote Touch ............................... 202
Center Display .............................. 204
5-2. Using the air conditioning system Automatic air conditioning system........................................................... 207Heated steering wheel/seat heat-
ers/seat ventilators..................... 214
5-3. Using the interior lights Interior lights list ............................. 217
5-4. Using the storage features List of storage  features ................ 219
Trunk features ................................. 221
5-5. Using the other interior features Other interior features ............... 222
Garage door opener .................. 224
Compass .......................................... 229
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior................................... 234
Cleaning and protecting the vehi- cle interior .................................... 237
6-2. Maintenance Maintenance re quirements .....240
General maintenance.................. 241
Emission inspection and mainte- nance (I/M) programs ............. 244
6-3. Do-it-yourself maintenance Do-it-yourself service precautions.......................................................... 245
Hood .................................................. 247
Positioning a floor jack ............... 247
Engine compartment ................. 249
Tires ................................................... 257
Tire inflation pressure................. 263
Wheels
 ............................................. 265
Air conditioning filter ................. 266
Electronic key battery ................ 267
5Interior features
6Maintenance and care 

531-2. LEXUS Enform
1
For safety and security
Subscription Service Agreement and 
are enrolled, you can begin receiving 
services.
A variety of subscription terms is avail-
able for purchase. Contact your Lexus 
dealer, call the following or push the 
“SOS” button in your vehicle for fur-
ther subscription details.
The United States
1-800-25-LEXUS 
(1-800-255-3987)
 Canada
1-800-26-LEXUS 
(1-800-265-3987)
 Puerto Rico
1-877-539-8777
■Safety Connect Serv ices Information
●Phone calls using the vehicles Blue-
tooth® technology will not be possible 
during Safety Connect.
●Safety Connect is available beginning Fall 
2009 on select Lexus models (in the 
contiguous United States only). Contact 
with the Safety Connect response center 
is dependent upon the telematics device 
being in operative co ndition, cellular con-
nection availability, and GPS satellite sig-
nal reception, which ca n limit the ability to 
reach the response  center or receive 
emergency service support. Enrollment 
and Telematics Subscription Service 
Agreement required.  A variety of sub-
scription terms is available; charges vary 
by subscription term selected and loca-
tion.
●Automatic Collision Notification, Emer-
gency Assistance and Stolen Vehicle 
Location will function in the United 
States, including Hawaii and Alaska, 
Puerto Rico and in Canada, and 
Enhanced Roadside Assistance will func-
tion in the United States, Puerto Rico and 
in Canada.
●Automatic Collision Notification, Emer- gency Assistance, Stolen Vehicle and 
Enhanced Road Assistance will not func-
tion in the United St
ates Virgin Islands.
For vehicles first sold in the USVI, no 
Safety Connect services will function in 
and outside the United States Virgin 
Islands.
●Safety Connect services are not subject 
to section 255 of the Telecommunica-
tions Act and the device is not TTY com-
patible.
■Languages
The Safety Connect re sponse center will 
offer support in mult iple languages. The 
Safety Connect system will offer voice 
prompts in English, Spanish, and French. 
Please indicate your language of choice 
when enrolling.
■When contacting the response center
You may be unable to contact the response 
center if the network is busy.
When the engine switch is turned to 
IGNITION ON mode, the red indica-
tor light comes on for 2 seconds then 
turns off. Afterward, the green indica-
tor light comes on, indicating that the 
service is active.
The following indicator light patterns 
indicate specific system usage condi-
tions:
 Green indicator light on = Active 
service
 Green indicator light flashing = 
Safety Connect call in process
 Red indicator light (except at vehi-
cle start-up) = System malfunction 
(contact your Lexus dealer)
 No indicator light (off) = Safety 
Safety Connect LED light Indi-
cators 

561-3. Theft deterrent system
1-3.Theft deterrent system
The indicator light flashes after the 
engine switch has been turned off to 
indicate that the system is operating.
The indicator light stops flashing after 
the engine switch has been turned to 
ACCESSORY or IGNITION ON 
mode to indicate that the system has 
been canceled.
■System maintenance
The vehicle has a maintenance-free type 
engine immobilizer system.
■Conditions that may  cause the system to 
malfunction
●If the grip portion of the key is in contact 
with a metallic object
●If the key is in close proximity to or touch-
ing a key registered to the security sys-
tem (key with a built-in transponder chip) 
of another vehicle
Engine immobilizer system
The vehicle’s keys have built-in tran-
sponder chips that prevent the 
engine from starting if a key has not 
been previously registered in the 
vehicle’s on-board computer.
Never leave the keys inside the 
vehicle when you leave the vehicle.
This system is designed to help pre-
vent vehicle theft but does not 
guarantee absolute security 
against all vehicle thefts.
Operating the system
NOTICE
■To ensure the system operates cor-
rectly
Do not modify or remove the system. If 
modified or removed, the proper opera-
tion of the system cannot be guaranteed. 

571-3. Theft deterrent system
1
For safety and security
■Items to check before locking the 
vehicle
To prevent unexpected triggering of 
the alarm and vehicle theft, make sure 
of the following:
 Nobody is in the vehicle.
 The windows and moon roof (if 
equipped) are closed before the 
alarm is set.
 No valuables or other personal 
items are left in the vehicle.
■Setting
Close the doors, trunk and hood, and 
lock both side doors. The system will 
be set automatically after 30 seconds.
The indicator light changes from being on 
to flashing when the system is set.
■Canceling or stopping
Do one of the following to deactivate 
or stop the alarms:
 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. (The alarm will be 
deactivated or stopped after a few 
seconds.)
■System maintenance
The vehicle has a maintenance-free type 
alarm system.
■Triggering of the alarm
The alarm may be triggered in the following 
situations:
(Stopping the alarm deactivates the alarm 
system.)
●The trunk is opened using the mechanical 
key.
●A person inside the  vehicle opens a door, 
Alarm
The alarm uses light and sound to 
give an alert when an intrusion is 
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
A locked door is unlocked or 
opened in any way other than 
using the entry function, wireless 
remote control or mechanical 
key. (The doors will lock again 
automatically.)
 The trunk is opened in any way 
other than using the entry func-
tion or wireless remote control.
 The hood is opened.
Setting/canceling/stopping the 
alarm system 

612-1. Instrument cluster
2
Vehicle status information and indicators
Warning lights inform the driver of mal-
functions in the indicated vehicle sys-
tems.
*1: These lights turn on when the engine switch is turned to IGNITION ON 
mode to indicate that a system check is 
being performed. They will turn off after 
the engine is started, or after a few sec-
onds. There may be a malfunction in a 
system if a light does not come on, or 
turn off. Have the vehicle inspected by 
your Lexus dealer.
*2: This light illuminates on the multi-infor-mation display.
*3: Except F SPORT models: This light illu-minates on the multi-information dis-
play.
F SPORT models: This light illuminates 
on the meter.
*4: This light illuminates on the center  panel.
Warning lights
(U.S.A.)
Brake system warning light*1 
(  P.284)
(Canada)
Brake system warning light*1 
(  P.284)
High coolant temperature 
warning light
*2 (  P.284)
Charging system warning 
light
*3 (  P.284)
Low engine oil pressure warn-
ing light
*2 (  P.285)
(U.S.A.)
Malfunction indicator lamp*1 
(  P.285)
(Canada)
Malfunction indicator lamp*1 
(  P.285)
SRS warning light
*1 (  P.285)
(U.S.A.)
ABS warning light*1 ( P.285)
(Canada)
ABS warning light*1 ( P.285)
(U.S.A.)
Parking brake warning light 
( P.286)
(Canada)
Parking brake warning light 
( P.286)
Brake Override System warn-
ing light/Drive-Start Control 
warning light
*2 (  P.286)
Electric power st eering system 
warning light
*1 (  P.286)
(orange)
LDA (Lane Departure Alert) 
indicator ( P.287)
(flashes or 
illuminates)PCS warning light*1 (  P.287)
Slip indicator
*1 (  P.287)
Open door warning light 
(  P.288)
Low fuel level warning light 
(  P.288)
Driver’s and front passenger’s 
seat belt reminder light 
(  P.288)
Rear passenger’s  seat belt 
reminder lights
*4 (  P.288)
Master warning light
*1 
(  P.289)
Tire pressure warning light
*1 
(  P.289) 

632-1. Instrument cluster
2
Vehicle status information and indicators
F SPORT models
*1: These lights turn on when the engine switch is turned to IGNITION ON 
mode to indicate that a system check is 
being performed. They will turn off after 
the engine is started, or after a few sec-
onds. There may be a malfunction in a 
system if a light does not come on, or 
turn off. Have the vehicle inspected by 
your Lexus dealer.
*2: The light comes on when the system is turned off.
*3: In order to confirm operation, the BSM 
outside rear view mirror indicators illu-
minate in the following situations:
• When the engine switch is turned to 
IGNITION ON mode while the 
BSM main switch is turned on.
• When the BSM main switch is  turned on while the engine switch is 
in IGNITION ON mode.
If the system is functioning correctly, the 
BSM outside rear view mirror indicators 
will turn off after a few seconds. If the BSM 
outside rear view mirror indicators do not 
illuminate or do not turn off, there may be a 
malfunction in the system. If this occurs, 
have the vehicle inspected by your Lexus 
dealer.
*4: This light illuminates on the outside rear view mirrors.
*5: This light illuminates on the center panel.
*6: When the outside temperature is  approximately 37°F (3°C) or lower, this 
indicator will flash for approximately 10 
seconds, then stay on.
Eco drive mode indicator 
(
 P.192)
“SPORT S” indicator ( P.192)
“SPORT S+” indicator 
(  P.192)
“CUSTOM” indicator ( P.192)
Snow mode indicator ( P.131) 
![LEXUS RC300 2020  Owners Manual 672-1. Instrument cluster
2
Vehicle status information and indicators
The indicators will be displayed in 
yellow (corresponding to a speed 
set by a user) or red (fixed at 100 
mph[160 km/h])
*.
 LEXUS RC300 2020  Owners Manual 672-1. Instrument cluster
2
Vehicle status information and indicators
The indicators will be displayed in 
yellow (corresponding to a speed 
set by a user) or red (fixed at 100 
mph[160 km/h])
*.](/manual-img/36/58950/w960_58950-66.png)
672-1. Instrument cluster
2
Vehicle status information and indicators
The indicators will be displayed in 
yellow (corresponding to a speed 
set by a user) or red (fixed at 100 
mph[160 km/h])
*.
 The desired vehicle speed at which 
the speed indicator will begin to be 
displayed can be set in   of the 
multi-information display. ( P.74)
 The default setting of the indicator is 
off. This setting can be changed in 
 of the multi-information display. 
(  P.74)
*: Always observe the legal speed limit 
when driving on public roads.
■Rev indicator (F SPORT models)
When the engine speed reaches a set 
speed, a ring-shaped indicator will be 
displayed on the tachometer.
The desired engine speed at which the Rev 
indicator will begin to  be displayed can be 
set on   of the multi- information display.  (
 P.74)
■Rev peak (F SPORT models)
The engine speed reaches or exceeds 
5000 rpm, an afterimage of the 
tachometer will be displayed at the 
highest engine speed for approxi-
mately 0.5 seconds.
Moves between center and right-side 
positions.
■The meters and display illuminate when
The engine switch is in IGNITION ON 
mode.
■Outside temperature display
●In the following situations, the correct 
Changing the main meter loca-
tion (F SPORT models) 

732-1. Instrument cluster
2
Vehicle status information and indicators
Acceleration G-force on the vehi-
cle
Current G-force value (analyzed 
value of front/rear and left/right 
G-forces)
Record of the maximum G-forces
This display is intended for use as a 
guideline. Depending on factors such 
as the road surface condition, tem-
perature and vehicle speed, the display 
may not show the actual condition of 
the vehicle.
 Resetting the record of maximum 
G-forces
Press and hold   to reset the record.
Peak hold function
If lateral G-forces of 0.5 G or greater are 
generated, the G-forc e value display will 
turn amber and be held for 2 seconds.
*: For F SPORT models, this item is not  available when the ma in meter is in the 
center position.
■Tire pressure
 P.260
■Vehicle sway warning*
Detects the sway of the vehicle within a 
lane, which is often associated with a 
decrease in the driver’s attention level,  and displays the decrease in attention 
using a bar display.
The shorter the bar length, the more 
the driver may need to rest.
This display is a pa
rt of the LDA (Lane 
Departure Alert with  steering control) sys-
tem.The display is en abled when the oper-
ating conditions of the vehicle sway 
warning are met. ( P.164)
*: For F SPORT models, this item is not 
available when the main meter is in the 
center position.
■Gear positions
Displays the current gear position 
when the shift lever is in D or M.
■Units (if equipped) *
The units of measure used can be 
changed while driving.
Unlike the units sett ing performed on  , 
the units setting performed on   can be 
changed while driving.
*: For F SPORT models, this item is not  available when the main meter is in the 
right-side position.
■Blank (No items)
Displays no drive information contents.
■Tire pressure
●It may take a few minutes to display the 
tire inflation pressu re after the engine 
switch is turned to IGNITION ON mode. 
It may also take a few minutes to display 
the tire inflation pressure after inflation 
pressure has b een adjusted.
●“---” may be displayed if the tire position 
information cannot be determined due to 
unfavorable radio wave conditions.
●Tire inflation pressure changes with tem-
perature. The displaye d values may also 
be different from the values measured 
A
B
C