Page 472 of 652
472
4-3. Do-it-yourself maintenance
RX350/270_EE
Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■Checking the engine oil
Park the vehicle on level ground. After warming up the engine
and turning it off, wait more than 5 minutes for the oil to drain
back into the bottom of the engine.
RX270
Holding a rag under the end, pull
the dipstick out.
RX350
Holding a rag under the end, pull
the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
STEP1
STEP2
STEP2
STEP3
STEP4
RX350_270_EE_48D77E.book 472 ページ 2014年1月24日 金曜日 午前10時4分
Page 473 of 652
473
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EEHolding a rag under the end, pull the dipstick out and check the
oil level.
Flat dipstick
Low
Normal
Excessive
The shape of the dipstick may dif-
fer depending on the type of vehi-
cle or engine.
Non-flat dipstick
Low
Normal
Excessive
The shape of the dipstick may dif-
fer depending on the type of vehi-
cle or engine.
Wipe the dipstick and reinsert it fully.
STEP5
STEP6
RX350_270_EE_48D77E.book 473 ページ 2014年1月24日 金曜日 午前10時4分
Page 474 of 652
474
4-3. Do-it-yourself maintenance
RX350/270_EE■Adding engine oil
RX270
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.
RX350
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.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise.
Oil grade→P. 6 1 0
Oil quantity
(Low→Full)1.5 L (1.6 qt., 1.3 Imp. qt.)
ItemsClean funnel
STEP1
STEP2
STEP3
RX350_270_EE_48D77E.book 474 ページ 2014年1月24日 金曜日 午前10時4分
Page 475 of 652

475
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
■Engine oil consumption
A certain amount of engine oil will be consumed while driving. In the following situ-
ations, 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, when towing, or when
driving while accelerating or decelerating frequently
●When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
CAUTION
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin
disorders such as inflammation or skin cancer, so care should be taken to avoid
prolonged and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
●Dispose of used oil and filters only in a safe and acceptable manner. Do not dis-
pose of used oil and filters in household trash, in sewers or onto the ground.
Call any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional, service station or auto parts store for information con-
cerning recycling or disposal.
●Do not leave used engine oil within the reach of children.
RX350_270_EE_48D77E.book 475 ページ 2014年1月24日 金曜日 午前10時4分
Page 476 of 652
476
4-3. Do-it-yourself maintenance
RX350/270_EE
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 oil filler cap is properly tightened.
RX350_270_EE_48D77E.book 476 ページ 2014年1月24日 金曜日 午前10時4分
Page 553 of 652
5
553
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warning indicates the possibility of damage to
the vehicle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Warning messageDetails
Indicates abnormal engine oil pressure
The warning light may come on if the engine oil pres-
sure is too low.
(Flashes)
(AWD models)
Indicates the AWD system has overheated
RX350_270_EE_48D77E.book 553 ページ 2014年1月24日 金曜日 午前10時4分
Page 559 of 652

5
559
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
(RX350)
Indicates that engine oil
level is low
A buzzer also sounds.Check the level of engine
oil, and add if necessary.
(Flashes)
(AWD models)
Indicates that the AWD
system is not currently
functional
A buzzer also sounds.
Reduce vehicle speed or
stop the vehicle in a safe
place until the warnings
clear.
In this case, do not stop
the engine.
(If equipped)
Indicates that the pre-
crash safety system is not
currently functional
because the grille or the
sensor is dirty.
This message also
appears when the pre-
crash safety system is not
functional due to over-
heating.
• Check the grille and the
sensor and clean them if
they are dirty.
• In case of overheating,
the system will become
functional once the sys-
tem cools down.
(If equipped)
Indicates that Lexus
parking assist-sensor is
dirty or covered with ice
A buzzer also sounds.
The site of the malfunc-
tion and the vehicle
image are flashing.
Clean the sensor.
Wa r n i n g m e s s a g eDetailsCorrection procedure
RX350_270_EE_48D77E.book 559 ページ 2014年1月24日 金曜日 午前10時4分
Page 610 of 652

610
6-1. Specifications
RX350/270_EE
Lubrication system
RX270
RX350
*: 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. Lexus recom-
mends the use of approved “Toyota Genuine Motor Oil”. Another motor
oil of matching quality can also be used.
Oil grade:
0W-20, 5W-20, 5W-30 and 10W-30:
API grade SL “Energy-Conserving”, SM “Energy-Conserving” or SN
“Resource-Conserving”; or ILSAC multigrade engine oil
15W-40 and 20W-50:
API grade SL, SM or SN multigrade engine oil
Oil capacity (Drain and
refill reference*)
With filter
Without filter
4.4 L (4.6 qt., 3.9 Imp. qt.)
4.0 L (4.2 qt., 3.5 Imp. qt.)
Oil capacity
(Drain and refill
reference*)
With filter
Without filter
6.1 L (6.4 qt., 5.4 Imp. qt.)
5.7 L (6.0 qt., 5.0 Imp. qt.)
RX350_270_EE_48D77E.book 610 ページ 2014年1月24日 金曜日 午前10時4分