2019 LEXUS RC300 check oil

2496-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
6
Maintenance and care
2 Holding a rag under the end, pull
the dipstick out.
RC350/RC300 AWD
RC300
3 Wipe the dipstick clean.
4 Reinsert the dipstick fully.
5 Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
The shape of the dipstick may differ
depending on the type of vehicle or
engine.
6Wipe the dipstick and reinsert it
fully.
■Checking the oil type and prepar-
ing the item needed
Make sure to check the oil type and
prepare the items needed before add-
ing oil.
 Engine oil selection
P.317
 Oil quantity (Low  Full)
1.6 qt. (1.5 L, 1.3 Imp. qt.)
 Item
Clean funnel
■Adding engine oil
If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine.
RC350/RC300 AWD
A
B
C

2506-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
RC300
1
Remove the oil filler cap by turning
it counterclockwise.
2
Add engine oil slowly, checking the
dipstick.
3
Install the oil filler cap by turning it
clockwise.
■Engine oil consumption
A certain amount of engine oil will be con-
sumed while driving. In the following situa-
tions, oil consumption may increase, and
engine oil may need to be refilled in
between oil maintenance intervals.
●When the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine
●If low quality oil or oil of an inappropriate
viscosity is used
●When driving at high engine speeds or
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
■After changing the engine oil
The engine oil maintenance data should be
reset. Perform the following procedures:
1
Select on the multi-information dis-
play. ( P.76)
2
Press the or meter control
switch on the steering wheel to select
“Vehicle Settings” then “Oil Mainte-
nance”. (To confirm setting, press .) 3
Select “Yes” and then press .
4
A message is displayed on the
multi-information display.
The coolant level is satisfactory if it is
between the “FULL” and “LOW” lines
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 o il filler cap is prop-
erly tightened.
Checking the coolant

2726-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810there is no light leaking from the bulb base.
8Align the tabs and push the light
unit toward the front of the vehicle
to install it.
9
Install the 2 screws and cover.
1
0Remove the protective tape.
WARNING
■Replacing light bulbs
●Turn off the lights. Do not attempt to
replace the bulb immediately after
turning off the lights. The bulbs
become very hot and may cause
burns.
●Do not touch the glass portion of the
light bulb with bare hands. When it is
unavoidable to hold the glass portion,
use and hold with a clean dry cloth to
avoid getting moisture and oils on the
bulb. Also, if the bulb is scratched or
dropped, it may blow out or crack.
●Fully install light bulbs and any parts
used to secure them. Failure to do so
may result in heat damage, fire, or
water entering the lig ht unit. This may
damage the lights or cause condensa-
tion to build up on the lens.
■To prevent damage or fire
●Make sure bulbs are fully seated and
locked.
●Check the wattage of the bulb before
installing to prevent heat damage.

2927-2. Steps to take in an emergency
RC350AWD_RC350_RC300AWD_RC30
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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.282)
*: 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.151, 285)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering
control)
●Dynamic radar cruise control
●Automatic High Beam
■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.238)
*: 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.238)
*: 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

2937-2. Steps to take in an emergency
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
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.250)
■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.250)
■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.309)
●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.

3188-1. Specifications
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
■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.)

376Alphabetical Index
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
Checking .......................................................250
Preparing and checking before winter .... 196
Engine coolant temperature gauge ....... 66
Engine immobilizer system .........................57
Engine oil Capacity .......................................................... 318
Checking ....................................................... 248
Preparing and checking before winter ....196
Warning light ............................................... 283
Engine oil maintenance data .................. 250
Engine oil pressure gauge ...........................74
Engine oil temperature gauge ...................74
Engine switch ..................................................125 Auto power off function ........................... 127
Changing the engine switch modes.. 126
If your vehicle has to be stopped in an
emergency ................................................ 274
EPS (Electric Power Steering) ................192 Warning light ............................................... 284
Event data recorder (EDR) ............................6
F
First-aid kit storage belt ..............................219
Flat tire Tire pressure warning system .............258
Vehicles with a spare tire ...................... 294
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 320
Brake...................................................... 252, 321
Washer ........................................................... 254
Footwell light ...................................................215
Front passenger occupant classification system .............................................................. 36
Front position lights Wattage.......................................................... 326
Front seats Adjustment....................................................... 97
Cleaning......................................................... 235
Correct driving posture .............................23 Driving position memory ........................ 100
Head restraints............................................. 103
Memory recall function............................ 102
Power easy access system .................... 100
Seat heaters .................................................... 212
Seat position memory ..............................100
Seat ventilators .............................................. 212
Front side marker light Light switch .................................................... 136
Front turn signal lights Replacing light bulbs ................................270
Turn signal lever .......................................... 133
Wattage ..........................................................326
Fuel Capacity .......................................................... 318
Fuel gauge ........................................................ 66
Fuel pump shut off system...................... 281
Information .................................................... 327
Refueling.......................................................... 148
Type ................................................................... 318
Warning light .............................................. 286
Fuel consumption Average fuel economy .............................. 72
Current fuel consumption ........................ 72
Fuel filler door If the fuel filler door cannot be opened ....
303
Refueling.......................................................... 148
Fuel gauge ......................................................... 66
Fuel pump shut off system..........................281
Fuses ..................................................................267
G
Garage door opener ................................. 222
Gauges ............................................................... 66
Gear Position ................................................... 75
G-force................................................................74
Glove box ......................................................... 217
Glove box light ...............................................218

3791-1. What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810379Alphabetical Index
Multi-information display .............................. 71 Audio system-linked display................... 75
Boost gauge.....................................................74
Drive information ...........................................72
Drive information 1/Drive information 2/Drive information 3..............................72
Driving assist system information display 76
Dynamic radar cruise control .............. 168
Eco Driving Indicator ..................................73
Engine oil pressure gauge ........................74
Engine oil temperature gauge ................74
Gear Position ................................................. 75
G-force...............................................................74
LDA (Lane Departure Alert with steering control) ..........................................................163
Menu icons .......................................................72
Meter control switches ...............................72
Navigation system-linked display ........ 75
Settings .............................................................. 76
Tire pressure ....................................... 75, 258
Units .................................................................... 75
Vehicle sway warning ................................ 75
Warning message display ....................... 76
Warning messages ..................................290
N
Navigation system-linked display.............75
Noise from under vehicle .............................. 5
O
“ODO TRIP” switch ...................................... 70
Odometer ......................................................... 70
Odometer and trip meter display “ODO TRIP” switch .................................... 70
Oil Engine oil ........................................................ 318
Front differential oil ..................................... 321
Rear differential oil ...................................... 321
Opener Fuel filler door............................................... 148 Hood ................................................................245
Trunk ...................................................................90
Outer foot lights Location ........................................................... 215
Outside rear view mirrors Adjustment ..................................................... 108
Folding.............................................................. 109
Linked mirror function when reversing ....
109
Mirror position memory ..........................100
Outside rear view mirror defoggers209
Outside temperature.................................... 66
Overheating .................................................. 309
P
Paddle shift switches ........................... 130, 131
Panic mode ....................................................... 84
Parking brake Operation ........................................................134
Parking brake engaged warning buzzer134
Warning light ...............................................284
Warning message .......................................134
Parking lights Light switch .................................................... 136
Replacing light bulbs ................................270
PCS (Pre-Collision System) Function ........................................................... 154
PCS OFF switch ......................................... 156
Warning light .............................................. 285
Warning message ..........................160, 290
Personal lights.................................................215
Power control unit coolant Preparing and checking before winter.....196
Power easy access system ....................... 100
Power outlet .................................................. 220
Power steering (Elect ric power steering
system) ............................................................192 Warning light ...............................................284
Power windows Door lock linked window operation ..... 111