check oil LEXUS RC300 2019 User Guide

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
0_OM_(U)_1810
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

3831-1. What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810383Alphabetical Index
Wireless remote control............................. 91
Trunk light ............................................................ 91
Turn signal lights Replacing light bulbs................................ 270
Turn signal lever ...........................................133
Wattage.......................................................... 326
V
Vanity lights...................................................... 221
Vanity mirrors ................................................. 221
Variable Gear Ratio Steering (VGRS) 192
VDIM (Vehicle Dynami cs Integrated Man-
agement)........................................................193
Vehicle data recording .... ............................... 5
Vehicle Dynamics Integrated Manage- ment (VDIM)................................................193
Vehicle identification number ..................316
Vehicle Stability Control (VSC) .............192
Vehicle sway warning display ....................75
Ventilators (seat ventilators)..................... 212
VGRS (Variable Gear Ratio Steering) 192
VSC (Vehicle Stabilit y Control) .............192
W
Warning buzzer
Open door warning.................................285
Warning buzzers Approach warning...................................... 173
Brake Override System ......................... 284
Downshifting ......................................... 131, 132
Drive-Start Control .................................. 284
Electric power steering .......................... 284
High coolant temperature .................... 282
LDA (Lane Departure Alert with steering control) ........................................................... 161
LDA (Lane Departure Alert)...............285
Low engine oil pressure......................... 283
Open door..............................................87, 88
Open window .................................................. 111
Parking brake .............................................. 284
Pre-collision braking................................. 155 Seat belt ......................................................... 286
Warning lights............................................... 282 ABS ...................................................................283
Brake Override System .........................284
Brake system................................................282
Charging system........................................282
Drive-Start Control...................................284
Electric power steering...........................284
High coolant temperature.....................282
LDA indicator ............................................. 285
Low engine oil pressure.........................283
Low fuel level .............................................. 286
Malfunction indicator lamp ...................283
Master warning light................................. 287
Open door warning ................................ 285
Parking brake indicator ..........................284
Pre-collision system................................. 285
Seat belt reminder light.......................... 286
Slip indicator ................................................ 285
SRS ....................................................................283
Tire pressure ................................................ 287
Warning message display............................76
Warning messages ..................................... 290
Washer Checking .......................................................254
Preparing and checking before winter.....196
Switch.................................................................. 141
Washing and waxing.................................. 232
Weight Cargo capacity .............................................123
Load limits .......................................................123
Weight.............................................................. 316
Wheels ............................................................. 263 Size .................................................................... 322
Window lock switch ........................................111
Windows Power windows ............................................. 110
Rear window defogger.......................... 209
Washer .............................................................. 141
Windshield wiper de-icer ........................ 209
Windshield wipers ......................................... 141