
2696-4. Do-it-yourself maintenance
6
Maintenance and care
with a heavy load, or when driving while
accelerating or decelerating frequently
●When leaving the engine idling for a long
time, or when driving frequently through
heavy traffic
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines
on the reservoir when the engine is
cold.
■Engine coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW” line,
add coolant up to the “FULL” line.
( P.337)
■Coolant selection
Only use “Toyota Super Long Life Coolant”
or a similar high qua lity ethylene glycol
based non-silicate, non-amine, non-nitrite,
and non-borate coolant with long-life
hybrid organic acid technology.
U.S.A.:
“Toyota Super Long Life Coolant” is a mix-
ture of 50% coolant and 50% deionized
water. (Minimum temperature: -31°F
[-35°C])
Canada:
“Toyota Super Long Life Coolant” is a mix-
ture of 55% coolant and 45% deionized
water. (Minimum temperature: -44°F
[-42°C])
For more details about coolant, contact
your Lexus dealer.
■If the coolant level drops within a short
time of replenishing
Visually check the radi ator, hoses, engine
coolant reservoir caps, drain cock and
water pump.
WARNING
■Used engine oil
●Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water.
●Dispose of used oil and filters only in a
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground. Call your Lexus dealer, ser-
vice station or auto parts store for
information concerning recycling or
disposal.
●Do not leave used engine oil within the
reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the
vehicle components.
●Avoid overfilling, or the engine could
be damaged.
●Check the oil level on the dipstick
every time you refill the vehicle.
●Be sure the engine oi l filler cap is prop-
erly tightened.
Checking the coolant
A
B
C

3027-2. Steps to take in an emergency
■Brake system warning light
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Charging system warning light
■Low engine oil pressure warning light* (warning buzzer)
If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, bu t then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
or
(Canada)
Indicates that:
The brake fluid level is low; or
The brake system is malfunctioning
Immediately stop the vehicle in a safe place and contact your Lexus
dealer. Continuing to drive the vehicle may be dangerous.
Warning lightDetails/Actions
Indicates that the engine coolant temperature is too high
Immediately stop the vehicle in a safe place.
Handling method ( P.337)
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.

3117-2. Steps to take in an emergency
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.302)
*: 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 ma
y appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and chec k 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

341
8
8
Vehicle specifications
Vehicle specifications
.8-1. SpecificationsMaintenance data (fuel, oil level, etc.) .............................................. 342
Fuel information ......................... 349
Tire information........................... 351
8-2. Customization Customizable features............ 360
8-3. Items to initialize Items to initialize ........................ 369
8-4. Certifications Certifications .............................. 370

3428-1. Specifications
8-1.Specifications
*:Unladen vehicle
■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.
This number is also on the Certification
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
Overall length185.4 in. (4710 mm)
Overall width72.6 in. (1845 mm)
Overall height*54.7 in. (1390 mm)
Wheelbase107.5 in. (2730 mm)
Tread*Front61.2 in. (1555 mm)
Rear61.4 in. (1560 mm)
Vehicle capacity weight (Occupants + luggage)700 lb. (320 kg)
Seating capacity
Seating capacity4 (Front 2, Rear 2)
Vehicle identification
![LEXUS RCF 2021 Owners Manual 3438-1. Specifications
8
Vehicle specifications
Label.■Engine number
The engine number is located as
shown.
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference LEXUS RCF 2021 Owners Manual 3438-1. Specifications
8
Vehicle specifications
Label.■Engine number
The engine number is located as
shown.
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference](/manual-img/36/58960/w960_58960-342.png)
3438-1. Specifications
8
Vehicle specifications
Label.■Engine number
The engine number is located as
shown.
■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
Engine
Model5.0 L 8-cylinder (2UR-GSE) engine
Type8-cylinder V type, 4-cycle, gasoline
Bore and stroke3.70 3.52 in. (94.0 89.5 mm)
Displacement303.2 cu. in. (4969 cm3)
Drive belt tensionAutomatic adjustment
Fuel
Fuel typeUnleaded gasoline only
Octane Rating91 (Research Octane Number 96) or higher
Fuel tank capacity (Reference)17.5 gal. (66.4 L, 14.6 Imp. gal.)
Lubrication system
With filter9.3 qt. (8.8 L, 7.7 Imp. qt.)
Without filter8.3 qt. (7.9 L, 7.0 Imp. qt.)

3558-1. Specifications
8
Vehicle specifications
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil
and coolant, and if so equipped, air conditioning
and additional weight optional engine
Maximum loaded vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight
150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
* that fol-
lows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular produc-
tion options weighing over 5 lb. (2.3 kg) in excess of
the standard items which they replace, not previ-
ously considered in curb weight or accessory
weight, including heavy duty brakes, ride levelers,
roof rack, heavy duty battery, and special trim
RimA metal support for a tire or a tire and tube assem-
bly upon which the tire beads are seated
Rim diameter (Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim
by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight (Total load
capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle’s designated seating capacity
Vehicle maximum load on the tire
The load on an individual ti re that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by two
Tire related termMeaning

396Alphabetical Index
Preparing and checking before winter......................................................................... 204
Engine coolant temperature gauge ....... 66
Engine immobilizer system .........................57
Engine oil Capacity ......................................................... 343
Checking ....................................................... 267
Low engine oil pressure warning light.........................................................................303
Preparing and checking before winter ......................................................................... 204
Engine switch ..................................................128 Auto power off function ............................ 131
Changing the engine switch modes. 130
If your vehicle has to be stopped in an
emergency ................................................ 294
EPS (Electric Power Steering) ..............200 Electric power steer ing system warning
light ................................................................304
Event data recorder (EDR) ............................7
F
First-aid kit storage belt .............................227
Flat tire Tire pressure warning system ............. 275
Vehicles with a spare tire ........................313
Vehicles without a spare tire .................319
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 345
Brake.................................................... 270, 346
Washer ............................................................272
Footwell light ................................................. 223
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment..................................................... 103
Cleaning......................................................... 245
Correct driving posture .............................23
Driving position memory........................ 105
Memory recall function ........................... 106
Power easy access system .................... 105 Seat heaters .................................................... 221
Seat position memory .............................. 105
Seat ventilators .............................................. 221
Front side marker light Light switch .................................................... 138
Front turn signal lights Replacing light bulbs ............................... 289
Turn signal lever .......................................... 136
Fuel Capacity .........................................................343
Fuel gauge ........................................................ 66
Fuel pump shut off system...................... 301
Information ....................................................349
Low fuel level warning light ................. 306
Refueling.......................................................... 150
Type ..................................................................343
Fuel consumption Average fuel economy .............................. 75
Current fuel consumption ........................ 75
Fuel filler door If the fuel filler do or cannot be opened
........................................................................... 331
Refueling.......................................................... 150
Fuel gauge ......................................................... 66
Fuel pump shut off system......................... 301
Fuses ................................................................. 285
G
Garage door opener ...................................231
Gauges ............................................................... 66
Gear Position ....................................................76
G-force................................................................79
Glove box ....................................................... 226
Glove box light ............................................. 226
H
Headlight aim ................................................ 287
Headlights Automatic High Beam system ............. 140
Light switch .................................................... 138
Replacing light bulbs ............................... 289