
2947-2. Steps to take in an emergency
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.284)
*: 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 “Front Camera Unavailable” or “Front 
Camera Unavailable Remove Debris 
On Windshield” is displayed
The following systems may be suspended 
until the problem shown in the message is 
resolved. ( P.154, 287)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering 
control)
●Automatic High Beam
●Dynamic radar cruise control
■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.240)
*: 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.240)
*: Refer to the separate “Scheduled Main-
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
Warning buzzer*Warning 

2957-2. Steps to take in an emergency
7
When trouble arises
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 shou ld be reset. (P.252)
■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 deal er. After changing the 
engine oil, the oil change system should be 
reset. ( P.252)
■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 instructions, accordingly.
• “Engine Coolant Temp High” ( P.311)
●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.
• “Braking Power Low”
• “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.
• “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. 

3007-2. Steps to take in an emergency
point positions.
4Raise the vehicle until the tire is 
slightly raised off the ground.
5
Remove all the wheel nuts and the 
tire.
When resting the tire on the ground, place 
the tire so that the wh eel design faces up to 
avoid scratching the wheel surface.
1Remove any dirt or foreign matter 
from the wheel contact surface.
If foreign matter is  on the wheel contact 
surface, the wheel nuts may loosen while 
the vehicle is in motion, causing the tire to 
WARNING
■Replacing a flat tire
●Do not touch the disc wheels or the 
area around the brakes immediately 
after the vehicle has been driven.
After the vehicle has been driven the 
disc wheels and the area around the 
brakes will be extremely hot. Touching 
these areas with hands, feet or other 
body parts while changing a tire, etc. 
may result in burns.
●Failure to follow these precautions 
could cause the wheel nuts to loosen 
and the tire to fall of f, resulting in death 
or serious injury.
• Never use oil or grease on the wheel  bolts or wheel nuts.Oil and grease may 
cause the wheel nuts to be excessively 
tightened, leading to bolt or disc wheel 
damage. In addition, the oil or grease 
can cause the wheel nuts to loosen and 
the wheel may fall off, causing a serious 
accident. Remove any oil or grease 
from the wheel bolts or wheel nuts.
• Have the wheel nuts tightened with a  torque wrench to 76 ft•lbf (103 N•m, 
10.5 kgf•m) as soon as possible after 
changing wheels.
• Do not attach a heavily damaged  wheel ornament, as it may fly off the 
wheel while the vehicle is moving.
• When installing a tire, only use wheel  nuts that have been specifically 
designed for that wheel.
• If there are any cracks or deformations  in the bolt screws, nut threads or bolt 
holes of the wheel, have the vehicle 
inspected by your Lexus dealer.
Installing the spare tire 

317
8
8
Vehicle specifications
Vehicle specifications
.8-1. SpecificationsMaintenance data (fuel, oil level, etc.) ............................................... 318
Fuel information ......................... 329
Tire information........................... 331
8-2. Customization Customizable features............. 341
8-3. Items to initialize Items to initialize ......................... 351
8-4. Certifications Certifications .............................. 352 

3188-1. Specifications
8-1.Specifications
*1:Unladen vehicle
*2: Vehicles with 265/35R19 tires
■Vehicle identification number
The vehicle identification number 
(VIN) is the legal identifier for your 
vehicle. This is the primary identifica-
tion number for your Lexus. It is used in 
registering the ownership of your vehi-
cle.
This number is stamped on the top left 
of the instrument panel and in the 
engine compartment.RC350/RC300 AWD
RC300
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
Overall length185.0 in. (4700 mm)
Overall width72.4 in. (1840 mm)
Overall height*154.9 in. (1395 mm)
Wheelbase107.5 in. (2730 mm)
Tread*1
Front62.2 in. (1580 mm)
Rear63.0 in. (1600 mm)
61.8 in. (1570 mm)
*2
Vehicle capacity weight  (Occupants + luggage)700 lb. (320 kg)
Vehicle identification 
![LEXUS RC300 2020  Owners Manual 3208-1. Specifications
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing the engine oil. Warm up and turn off the engine, wait LEXUS RC300 2020  Owners Manual 3208-1. Specifications
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing the engine oil. Warm up and turn off the engine, wait](/manual-img/36/58950/w960_58950-321.png)
3208-1. Specifications
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing the engine oil. Warm up and turn off the engine, wait more than 5 minutes, and check the oil level on the 
dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used in 
your Lexus vehicle. Use Lexus 
approved “Toyota Genuine Motor Oil” 
or equivalent to satisfy the following 
grade and viscosity.
Oil grade: ILSAC GF-5 multigrade 
engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for 
good fuel economy and good starting 
in cold weather. If SAE 0W-20 is not available, SAE 
5W-20 oil may be used. However, it 
must be replaced with SAE 0W-20 at 
the next oil change.
Fuel
Fuel typeUnleaded gasoline only
Octane Rating91 (Research Octane Number 96) or higher
Fuel tank capacity (Reference)17.5 gal. (66.3 L, 14.6 Imp. gal.)
Lubrication system
With filter
RC350
6.0 qt. (5.7 L, 5.0 Imp. qt.)
RC350 AWD/RC300 AWD
6.8 qt. (6.4 L, 5.6 Imp. qt.)
RC300
4.9 qt. (4.6 L, 4.0 Imp. qt.)
Without filter
RC350
5.8 qt. (5.5 L, 4.8 Imp. qt.)
RC350 AWD/RC300 AWD
6.3 qt. (6.0 L, 5.3 Imp. qt.)
RC300
4.5 qt. (4.3 L, 3.8 Imp. qt.) 

3218-1. Specifications
8
Vehicle specifications
Outside temperature
Oil viscosity (0W-20 is explained here 
as an example):
• The 0W in 0W-20 indicates the  characteristic of the oil which allows 
cold startability. Oils with a lower 
value before the W allow for easier 
starting of the engine in cold 
weather.
• The 20 in 0W-20 indicates the vis- cosity characteristic of the oil when 
the oil is at high temperature. An oil 
with a higher viscosity (one with a 
higher value) may be better suited if 
the vehicle is operated at high 
speeds, or under extreme load con- ditions.
How to read oil container label:
The International Lubricant Specifica-
tion Advisory Committee (ILSAC) 
Certification Mark is added to some oil 
containers to help you select the oil you 
should use.
*: The fluid capacity is a reference quantity.  If replacement is necessary, contact your Lexus dealer.
A
Cooling system
Capacity*
RC350/RC3
00 AWD10.0 qt. (9.5 L, 8.4 Imp. qt.)
RC300
Gasoline engine
8.5 qt. (8.0 L, 7.0 Imp. qt.)
Intercooler
3.3 qt. (3.1 L, 2.7 Imp. qt.)
Coolant type
Use either of the following:
 “Toyota Super Long Life Coolant”
 Similar high-quality ethylene  glycol-based non-silicate, 
non-amine, non-nitrite, and non-borate coolant with 
long-life hybrid orga nic acid technology
Do not use plain water alone. 

3238-1. Specifications
8
Vehicle specifications
Vehicles without LSD (Limited Slip Differential)
Vehicles with LSD (Limited Slip Differential)
*: Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the factory.
Use Lexus approved “Toyota Ge nuine Differential Gear Oil” or an equivalent oil of 
matching quality to satisfy th e above specification. Please contact your Lexus dealer for 
further details.
Front differential (AWD models)
Oil capacity0.74 qt. (0.70 L, 0.61 Imp. qt.)
Oil type and viscosity
Hypoid gear oil API GL-5
Above 0°F (-18°C): SAE90
Below 0°F (-18°C): SAE80W or SAE80W-90
Rear differential
Oil capacity1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosityToyota Genuine Differential Gear Oil LT
75W-85 GL-5 or equivalent
*
Oil capacity1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosityToyota Genuine Differential Gear Oil LX
75W-85 GL-5 or equivalent
*
Brakes
Pedal clearance*1
RC350
4.3 in. (108 mm) Min.
RC350 AWD/RC300 AWD
4.5 in. (115 mm) Min.
RC300
4.1 in. (104 mm) Min.
Pedal free play0.04 0.24 in. (1.0 6.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)