flat LEXUS RC300 2019 Owners Manual

RC350AWD_RC350_RC300AWD_RC300_OM_(U)_1810
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Pictorial indexSearch by illustration
For safety
and securityMake sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicatorsReading driving-related information
(Main topics: Meters, multi-information display)
Before drivingOpening and closing the doors and windows,
adjustment before driving
(Main topics: Keys, doors, seats)
DrivingOperations and advice which are necessary for driving
(Main topics: Starting engine, refueling)
Interior featuresUsage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and careCaring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arisesWhat to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle
specificationsVehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
For ownersReporting safety defects for U.S. owners, and seat belt,
SRS airbag and headlight aim instructions for Canadian
owners
IndexSearch by symptom
Search alphabetically

3TABLE OF CONTENTS
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4-2. Driving procedures Engine (ignition) switch .............. 125
Automatic transmission.............. 128
Turn signal lever............................. 133
Parking brake ................................. 134
ASC (Active Sound Control) .. 134
4-3. Operating the lights and wipers Headlight switch ............................ 136
Automatic High Beam ................ 138
Windshield wipers and washer ............................................................. 141
4-4. Refueling Opening the fuel tank cap......... 148
4-5. Using the driving support systems Lexus Safety System + ................. 151
PCS (Pre-Collision System)..... 154
LDA (Lane Departure Alert with steering control) .......................... 161
Dynamic radar cruise control ............................................................ 168
Intuitive parking assist ................. 176
BSM (Blind Spot Monitor) ........ 182
Driving mode select switch....... 190
Driving assist systems .................. 192
4-6. Driving tips Winter driving tips ........................ 196
5-1. Remote Touch/Display Remote Touch ............................... 200
Center Display .............................. 202
5-2. Using the air conditioning system Automatic air conditioning system .205 Heated steering wheel/seat heat-
ers/seat ventilators..................... 212
5-3. Using the interior lights Interior lights list ............................. 215
5-4. Using the storage features List of storage features ................ 217
Trunk features ................................. 219
5-5. Using the other interior features Other interior features .............. 220
Garage door opener .................. 222
Compass .......................................... 227
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior.................................... 232
Cleaning and protecting the vehi- cle interior .................................... 235
6-2. Maintenance Maintenance re quirements .....238
General maintenance................ 239
Emission inspection and mainte- nance (I/M) programs ............. 242
6-3. Do-it-yourself maintenance Do-it-yourself service precautions.243
Hood ................................................. 245
Positioning a floor jack .............. 245
Engine compartment .................. 247
Tires ................................................... 255
Tire inflation pressure................... 261
Wheels ............................................. 263
Air conditioning

filter ................. 264
Electronic key battery ................ 265
5Interior features
6Maintenance and care

4TABLE OF CONTENTS
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Checking and replacing fuses........................................................... 267
Headlight aim................................. 269
Light bulbs ....................................... 270
7-1. Essential information Emergency flashers..................... 274
If your vehicle has to be stopped in an emergency ............................. 274
If the vehicle is trapped in rising water............................................... 275
7-2. Steps to take in an emergency If your vehicle needs to be towed....277
If you think something is wrong ........ 280
Fuel pump shut off system ......... 281
If a warning light turns on or a warn- ing buzzer sounds ..................... 282
If a warning message is displayed ... 290
If you have a flat tire..................... 294
If the engine wi ll not start ........... 301
If you lose your keys .................... 303
If the fuel filler door cannot be opened........................................... 303
If the electronic key does not oper- ate properly ................................. 304
If the vehicle battery is discharged . 306
If your vehicle overheats ........... 309
If the vehicle becomes stuck .... 3138-1. Specifications
Maintenance data (fuel, oil level, etc.) .................................................. 316
Fuel information............................ 327
Tire information ............................ 329
8-2. Customization Customizable features .............. 339
8-3. Items to initialize Items to initialize ........................... 349
8-4. Certifications Certifications ................................. 350
9-1. For owners Reporting safety defects for U.S. owners ........................................... 360
Seat belt instructions for Canadian owners (in French) ................... 360
SRS airbag instructions for Cana- dian owners (in French) ......... 362
Headlight aim instructions for Canadian owners (in French).......................................................... 368
What to do if... (Troubleshooting) ... 370
Alphabetical Index ...................... 373
7When trouble arises
8Vehicle specifications
9For owners
Index

12Pictorial index
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Windshield wipers ................................................................................................... P.141
Precautions for winter season .. .................................................................................... P.196
To prevent freezing (windshield wiper de-icer)
*.................................................P.209
Precautions against car wash ...................................................................................... P.233
Fuel filler door ..........................................................................................................P.148
Refueling method .............................................................................................................. P .148
Fuel type/fuel tank capacity ...... .................................................................................... P.318
Tires.......................................................................................................................... ..P.255
Tire size/inflation pressure ........................................................................................... P.322
Winter tires/tire chain ..................................................................................................... P.1 96
Checking/rotation/tire pressure warning system.............................................. P.255
Coping with flat tires........................................................................................................ P .294
Hood ..........................................................................................................................P.245
Opening ........................................................................................................................ ....... P.245
Engine oil ..................................................................................................................... .......... P.318
Coping with overheating ...............................................................................................P.309
Warning messages ..........................................................................................................P.290
Headlights ................................................................................................................. P.13 6
Parking lights/daytime running lights............................................................... P.136
Turn signal lights ......................................................................................................P.133
Cornering lights ...................................................................................................... P.136
Side marker lights ................................................................................................... P.136
Tail lights .................................................................................................................... P.136
Stop lights
Back up light
Shifting the shift lever to R ...............................................................................................P.1 29
License plate lights ................................................................................................. P.136
*:If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P.270, Watts: P.326)
D
E
F
G
H
I
J
K
L
M
N
O

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■Location of the SRS airbags
SRS front airbagsSRS driver airbag/front passenger airbag
Can help protect the head and chest of the driver and front passenger from impact with
interior components
SRS knee airbags
Can help provide driver and front passenger protection
SRS side and curtain shield airbagsSRS side airbags
Can help protect the torso of the front seat occupants
SRS curtain shield airbags
• Can help protect primarily the head of occupants in the outer seats
• Can help prevent the occupants from being thrown from the vehicle in the event of vehi-
SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain types of severe
impacts that may cause significant injury to the occupants. They work together
with the seat belts to help reduce the risk of death or serious injury.
SRS airbag system
A
B
C
D

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severity and occupant information. As the airbags deploy, a chemical reaction in
the inflators quickly fills the airbags with non-toxic gas to help restrain the motion of
the occupants.
■If the SRS airbags deploy (inflate)
●Slight abrasions, burns, bruising etc., may
be sustained from SRS airbags, due to the
extremely high speed deployment (infla-
tion) by hot gases.
●A loud noise and white powder will be
emitted.
●Parts of the airbag module (steering
wheel hub, airbag cover and inflator) as
well as the front seat s, parts of the front
and rear pillars, and roof side rails, may
be hot for several minutes. The airbag
itself may also be hot.
●The windshield may crack.
●All of the doors will be unlocked.
(  P.87)
●Fuel supply to the engine will be stopped.
( P.281)
●For Lexus Enform Safety Connect sub-
scribers, if any of the following situations
occur, the system is designed to send an
emergency call to the response center,
notifying them of the vehicle’s location
(without needing to push the “SOS” but-
ton) and an agent will attempt to speak
with the occupants to ascertain the level
of emergency and assi stance required. If
the occupants are unable to communi-
cate, the agent automatically treats the
call as an emergency and helps to dis-
patch the necessary emergency services.
(  P.53)
• An SRS airbag is deployed.
• A seat belt pretensioner is activated.
• The vehicle is involved in a sever rear-end collision.
■SRS airbag deployment conditions (SRS
front airbags)
●The SRS front airbags will deploy in the
event of an impact that exceeds the set
threshold level (the level of force corre-
sponding to an approximately 12 - 18
mph [20 - 30 km/h] frontal collision with
a fixed wall that does not move or
deform). However, this threshol
d velocity will be
considerably higher in the following situa-
tions:
• If the vehicle strikes an object, such as a parked vehicle or sign pole, which can
move or deform on impact
• If the vehicle is involved in an underride
collision, such as a collision in which the
front of the vehicle “underrides”, or goes
under, the bed of a truck
●Depending on the type of collision, it is
possible that only the seat belt preten-
sioners will activate.
●The SRS front airbags for the front pas-
senger will not activate if there is no pas-
senger sitting in the front passenger seat.
However, the SRS front airbags for the
front passenger may deploy if luggage is
put in the seat, even if the seat is unoccu-
pied.
■SRS airbag deployment conditions (SRS
side and curtain shield airbags)
●The SRS side and curtain shield airbags
will deploy in the event of an impact that
exceeds the set threshold level (the level
of force corresponding to the impact
force produced by an approximately
3300 lb. [1500 kg] vehicle colliding with
the vehicle cabin from a direction per-
pendicular to the vehicle orientation at an
approximate speed of 12 - 18 mph [20 -
30 km/h]).
●Both SRS curtain shield airbags will
deploy in the event of vehicle rollover.
●All SRS side and curtain shield airbags
will deploy in the event of a severe frontal
collision.
■Conditions under which the SRS air-
bags may deploy (inflate), other than a
collision
The SRS front airbags and SRS side and
curtain shield airbags may also deploy if a
serious impact occurs to the underside of
your vehicle. Some examples are shown in
the illustration.
●Hitting a curb, edge of pavement or hard

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1
For safety and security
surface
●Falling into or jumping over a deep hole
●Landing hard or falling
The SRS curtain shield airbags may also
deploy under the situations shown in the
illustration.
●The angle of vehicle tip-up is marginal.
●The vehicle skids and hits a curb stone.
■Types of collisions that may not deploy
the SRS airbags (SRS front airbags)
The SRS front airbag s do not generally
inflate if the vehicle is involved in a side or
rear collision, if it rolls ov er, or if it is involved
in a low-speed frontal collision. But, when-
ever a collision of any type causes sufficient
forward deceleration of the vehicle, deploy-
ment of the SRS front airbags may occur.
●Collision from the side
●Collision from the rear
●Vehicle rollover
■Types of collisions that may not deploy
the SRS airbags (SRS side and curtain
shield airbags)
The SRS side and curtain shield airbags
may not activate if the vehicle is subjected
to a collision from the side at certain angles,
or a collision to the side of the vehicle body
other than the passenger compartment.
●Collision from the side to the vehicle
body other than the passenger compart-
ment
●Collision from the side at an angle
The SRS side airbags do not generally
inflate if the vehicle is involved in a rear colli-
sion, if it rolls over, or if it is involved in a
low-speed side or lo w-speed frontal colli-
sion.
●Collision from the rear
●Vehicle rollover
The SRS curtain shield airbags do not gen-
erally inflate if the vehicle is involved in a
rear collision, if it pitches end over end, or if
it is involved in a low-speed side or
low-speed frontal collision.
●Collision from the rear
●Pitching end over end

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■When to contact your Lexus dealer
In the following cases, the vehicle will
require inspection and/or repair. Contact
your Lexus dealer as soon as possible.
●Any of the SRS airbags have been
inflated.
●The front of the vehicle is damaged or
deformed, or was involved in an accident
that was not severe enough to cause the
SRS front airbags to inflate.
●A portion of a door or its surrounding
area is damaged or deformed, or the
vehicle was involved in an accident that
was not severe enough to cause the SRS
side and curtain shield airbags to inflate.
●The pad section of the steering wheel,
dashboard near the front passenger air-
bag or lower portion of the instrument
panel is scratched, cracked, or otherwise
damaged.
●The surface of the seats with the SRS side
airbag is scratched, cracked, or other-
wise damaged.
●The portion of the front pillars, rear pillars
or roof side rail ga rnishes (padding) con-
taining the SRS curtain shield airbags
inside is scratched, cracked, or otherwise
damaged.
WARNING
■SRS airbag precautions
Observe the following precautions
regarding the SRS airbags. Failure to do
so may cause death or serious injury.
●The driver and all passengers in the
vehicle must wear their seat belts
properly.
The SRS airbags are supplemental
devices to be used with the seat belts.

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For safety and security
WARNING
●The SRS driver airbag deploys with
considerable force, and can cause
death or serious injury especially if the
driver is very close to the airbag. The
National Highway Traffic Safety
Administration (NHTSA) advises:
Since the risk zone for the driver’s air-
bag is the first 2 - 3 in. (50 - 75 mm) of
inflation, placing yourself 10 in. (250
mm) from your driver airbag provides
you with a clear margin of safety. This
distance is measured from the center
of the steering wheel to your breast-
bone. If you sit less than 10 in. (250
mm) away now, you can change your
driving position in several ways:
• Move your seat to the rear as far as you can while still reaching the pedals
comfortably.
• Slightly recline the back of the seat. Although vehicle designs vary, many
drivers can achieve the 10 in. (250
mm) distance, even with the driver seat
all the way forward, simply by reclining
the back of the se at somewhat. If
reclining the back of your seat makes it
hard to see the road, raise yourself by
using a firm, non-slippery cushion, or
raise the seat if your vehicle has that
feature.
• If your steering wheel is adjustable, tilt it downward. This points the airbag
toward your chest instead of your head
and neck.
The seat should be adjusted as recom-
mended by NHTSA above, while still
maintaining control of the foot pedals,
steering wheel, and your view of the
instrument panel controls.
●If the seat belt extender has been con-
nected to the front seat belt buckles
but the seat belt extender has not also
been fastened to the latch plate of the
seat belt, the SRS front airbags will
judge that the driver and front passen-
ger are wearing the seat belt even
though the seat belt has not been con-
nected. In this case, the SRS front air-
bags may not activate correctly in a
collision, resulting in death or serious
injury in the event of a collision. Be
sure to wear the seat belt with the seat
belt extender.
●The SRS front passenger airbag also
deploys with considerable force, and
can cause death or serious injury
especially if the front passenger is very
close to the airbag. The front passen-
ger seat should be as far from the air-
bag as possible with the seatback
adjusted, so the front passenger sits
upright.
●Improperly seated and/or restrained
infants and children can be killed or
seriously injured by a deploying airbag.
An infant or child who is too small to
use a seat belt should be properly
secured using a child restraint system.
Lexus strongly recommends that all
infants and children be placed in the
rear seats of the vehicle and properly
restrained. The rear seats are safer for
infants and children than the front pas-
senger seat. ( P.40)

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1
For safety and security
WARNING
●If a vinyl cover is put on the area where
the SRS knee airbag will deploy, be
sure to remove it.
●Do not use seat accessories which
cover the parts where the SRS side air-
bags inflate as they may interfere with
inflation of the airbags. Such accesso-
ries may prevent the side airbags from
activating correctly, disable the system
or cause the side airbags to inflate
accidentally, resulting in death or seri-
ous injury.
●Do not strike or apply significant levels
of force to the area of the SRS airbag
components.
Doing so can cause the SRS airbags to
malfunction.
●Do not touch any of the component
parts immediately after the SRS air-
bags have deployed (inflated) as they
may be hot.
●If breathing becomes difficult after the
SRS airbags have deployed, open a
door or window to allow fresh air in, or
leave the vehicle if it is safe to do so.
Wash off any residue as soon as possi-
ble to prevent skin irritation.
●If the areas where the SRS airbags are
stored, such as the steering wheel pad
and front and rear pillar garnishes, are
damaged or cracked, have them
replaced by your Lexus dealer.
●Do not place anything, such as a cush-
ion, on the front passenger's seat.
Doing so will disperse the passenger's
weight, which prevents the sensor
from detecting the passenger's weight
properly. As a result, the SRS front air-
bags for the front passenger may not
deploy in the event of a collision.
■Modification and disposal of SRS air-
bag system components
Do not dispose of your vehicle or per-
form any of the following modifications
without consulting your Lexus dealer.
The SRS airbags may malfunction or
deploy (inflate) accidentally, causing
death or serious injury.
●Installation, removal, disassembly and
repair of the SRS airbags
●Repairs, modifications, removal or
replacement of the steering wheel,
instrument panel, dashboard, seats or
seat upholstery, front, side and rear pil-
lars or roof side rails
●Repairs or modifications of the front
fender, front bumper, or side of the
occupant compartment
●Installation of a grille guard (bull bars,
kangaroo bar, etc.), snow plows,
winches or roof luggage carrier
●Modifications to the vehicle’s suspen-
sion system
●Installation of elec tronic devices such
as mobile two-way radios and CD
players
●Modifications to your vehicle for a per-
son with a physical disability