LEXUS RX350, RX350L (2019 year). Instruction — part 44
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RX350/RX350L_U
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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 start-
ing 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.
Oil viscosity (0W-20 is explained here as an example):
• The 0W in 0W-20 indicates the characteristic of the oil which allows cold
startability. Oils with a lower value before the W allow for easier starting of
the engine in cold weather.
• The 20 in 0W-20 indicates the viscosity characteristic of the oil when the
oil is at high temperature. An oil with a higher viscosity (one with a higher
value) may be better suited if the vehicle is operated at high speeds, or
under extreme load conditions.
How to read oil container label:
The International Lubricant Specifi-
cation Advisory Committee
(ILSAC) Certification Mark is added
to some oil containers to help you
select the oil you should use.
Outside temperature
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9-1. Specifications
RX350/RX350L_U
*
: The coolant capacity is a reference quantity.
If replacement is necessary, contact your Lexus dealer.
Cooling system
Capacity
*
RX350 (Vehicles without towing package)
9.5 qt. (9.0 L, 7.9 Imp. qt.)
RX350 (Vehicles with towing package)
10.5 qt. (9.9 L, 8.7 Imp. qt.)
RX350L
13.1 qt. (12.4 L, 11 Imp. qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system (spark plug)
Make
DENSO FK20HBR8
Gap
0.03 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Open voltage at 68
F (20C):
12.6 V or higher: Fully charged
12.2 — 12.4 V: Half charged
12.0 V or lower: Discharged
(Turn the engine switch off and turn on the head-
lights for 20 to 30 seconds.)
Charging rates
5 A max.
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RX350/RX350L_U
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: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Lexus dealer.
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the
factory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details.
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the
factory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details.
Automatic transmission
Fluid capacity
*
7.2 qt. (6.8 L, 6.0 Imp. qt.)
Fluid type
Toyota Genuine ATF WS
NOTICE
■
Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transmission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Transfer (AWD models)
Oil capacity
0.8 qt. (0.8 L, 0.7 Imp. qt.)
Oil type and viscosity
Toyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
Rear differential (AWD models)
Oil capacity
0.5 qt. (0.5 L, 0.4 Imp. qt.)
Oil type and viscosity
Toyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
704
9-1. Specifications
RX350/RX350L_U
*
: Minimum pedal clearance when depressed with a force of 110 lbf (490 N, 50.0 kgf)
while the engine is running.
Type A
Brakes
Pedal clearance
*
3.4 in. (86 mm) Min.
Brake pad wear limit
0.04 in. (1.0 mm)
Pedal free play
0.04 — 0.24 in. (1.0 — 6.0 mm)
Fluid type
FMVSS No. 116 DOT 3 or SAE J1703
Steering
Free play
Less than 1.2 in. (30 mm)
Tires and wheels
Tire size
235/65R18 106V, T165/90D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear tire
33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Spare tire
60 psi (420 kPa, 4.2 kgf/cm
2
or bar)
Driving at high speeds (above 100 mph [160 km/h])
(in countries where such speeds are permitted by
law)
Add 5 psi (30 kPa, 0.3 kgf/cm
2
or bar) to the
front and rear tires. Never exceed the maximum
cold tire inflation pressure indicated on the tire
sidewall.
Wheel size
18
8 J, 18 4 T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
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Type B
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)
*
1
: Vehicles with single-beam headlights
*
2
: Vehicles without door trim ornament lights
Tire size
235/55R20 102V, T165/90D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear tire
33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Spare tire
60 psi (420 kPa, 4.2 kgf/cm
2
or bar)
Driving at high speeds (above 100 mph [160 km/h])
(in countries where such speeds are permitted by
law)
Add 11 psi (70 kPa, 0.7 kgf/cm
2
or bar) to the
front and rear tires. Never exceed the maximum
cold tire inflation pressure indicated on the tire
sidewall.
Wheel size
20
8 J, 18 4 T (spare)
Wheel nut torque
76 ft•lbf (103 N•m, 10.5 kgf•m)
Light bulbs
Light bulbs
Bulb No.
W
Type
Exterior
Front side marker lights
*
1
5
B
Front turn signal lights
*
1
7444NA
28/8
A
Rear turn signal lights
*
1
21
A
Back-up lights
921
16
B
Interior
Door courtesy lights
*
2
5
B
Vanity lights
8
B
Luggage compartment light
5
B
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9-1. Specifications
RX350/RX350L_U
■
Gasoline quality
In very few cases, driveability problems may be caused by the brand of gasoline you are
using. If driveability problems persist, try changing the brand of gasoline. If this does not
correct the problem, consult your Lexus dealer.
■
Gasoline quality standards
●
Automotive manufacturers in the U.S.A., Europe and Japan have developed a specifi-
cation for fuel quality called the World-Wide Fuel Charter (WWFC), which is expected
to be applied worldwide.
●
The WWFC improves air quality by lowering emissions in vehicle fleets, and improves
customer satisfaction through better performance.
■
Recommendation of the use of gasoline containing detergent additives
●
Lexus recommends the use of gasoline that contains detergent additives to avoid the
build-up of engine deposits.
●
All gasoline sold in the U.S.A. contains minimum detergent additives to clean and/or
keep clean intake systems, per EPA’s lowest additives concentration program.
●
Lexus strongly recommends the use of Top Tier Detergent Gasoline. For more informa-
tion on Top Tier Detergent Gasoline and a list of marketers, please go to the official
website www.toptiergas.com.
Fuel information
You must only use unleaded gasoline.
Select octane rating 87 (Research Octane Number 91) or higher. Use of
unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
At minimum, the gasoline you use should meet the specifications of ASTM
D4814 in the U.S.A.
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Recommendation of the use of low emissions gasoline
Gasolines containing oxygenates such as ethers and ethanol, as well as reformulated
gasolines, are available in some cities. These fuels are typically acceptable for use, pro-
viding they meet other fuel requirements.
Lexus recommends these fuels, since the formulations allow for reduced vehicle emis-
sions.
■
Non-recommendation of the use of blended gasoline
●
If you use gasohol in your vehicle, be sure that it has an octane rating no lower than 87.
●
Lexus does not recommend the use of gasoline containing methanol.
■
Non-recommendation of the use of gasoline containing MMT
Some gasoline contains an octane enhancing additive called MMT
(Methylcyclopentadienyl Manganese Tricarbonyl).
Lexus does not recommend the use of gasoline that contains MMT. If fuel containing
MMT is used, your emission control system may be adversely affected.
The malfunction indicator lamp on the instrument cluster may come on. If this happens,
contact your Lexus dealer for service.
■
If your engine knocks
●
Consult your Lexus dealer.
●
You may occasionally notice light knocking for a short time while accelerating or driv-
ing uphill. This is normal and there is no need for concern.
●
Use only gasoline containing up to 15% etha-
nol.
DO NOT use any flex-fuel or gasoline that
could contain more than 15% ethanol, includ-
ing from any pump labeled E30, E50, E85
(which are only some examples of fuel con-
taining more than 15% ethanol).
DO NOT use gasoline
containing more than
15% ethanol.
(30% ethanol)
(50% ethanol)
(85% ethanol)
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9-1. Specifications
RX350/RX350L_U
NOTICE
■
Notice on fuel quality
●
Do not use improper fuels. If improper fuels are used, the engine will be damaged.
●
Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic converters
causing the emission control system to malfunction.
●
Do not use gasohol other than the type previously stated.
Other gasohol may cause fuel system damage or vehicle performance problems.
●
Using unleaded gasoline with an octane number or rating lower than the level previ-
ously stated will cause persistent heavy knocking.
At worst, this will lead to engine damage.
■
Fuel-related poor driveability
If poor driveability (poor hot starting, vaporization, engine knocking, etc.) is encoun-
tered after using a different type of fuel, discontinue the use of that type of fuel.
■
When refueling with gasohol
Take care not to spill gasohol. It can damage your vehicle’s paint.
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9-1. Specifications
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RX350/RX350L_U
Full-size tire
Compact spare tire
Tire information
Typical tire symbols
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9-1. Specifications
RX350/RX350L_U
Tire size
(
DOT and Tire Identification Number (TIN)
(
Location of treadwear indicators
(
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the
plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply
tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire
has a tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure
(
Maximum cold tire inflation pressure
(
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires
(
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer
tire.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE ONLY” molded
on its sidewall. This tire is designed for temporary emergency use only.
1
2
3
4
5
6
7
8
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10
11
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DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification mark
Tire size code
Manufacturer’s optional tire type code (3 or 4 letters)
Manufacturing week
Manufacturing year
Manufacturer's code
*
: The DOT symbol certifies that the tire conforms to applicable Federal Motor Vehicle
Safety Standards.
Typical DOT and Tire Identification Number (TIN)
Type A
Type B
1
2
3
4
5
6
7
8
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9-1. Specifications
RX350/RX350L_U
■
Typical tire size information
The illustration indicates typical tire size.
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 digits)
Speed symbol (alphabet with one letter)
■
Tire dimensions
Section width
Tire height
Wheel diameter
Tire size
1
2
3
4
5
6
7
1
2
3
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RX350/RX350L_U
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
Tire section names
1
2
3
4
5
6
7
8
9
10
11
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9-1. Specifications
RX350/RX350L_U
This information has been prepared in accordance with regulations issued by the
National Highway Traffic Safety Administration of the U.S. Department of Trans-
portation.
It provides the purchasers and/or prospective purchasers of Lexus vehicles with
information on uniform tire quality grading.
Your Lexus dealer will help answer any questions you may have as you read this infor-
mation.
■
DOT quality grades
All passenger vehicle tires must conform to Federal Safety Requirements in
addition to these grades. Quality grades can be found where applicable on
the tire sidewall between tread shoulder and maximum section width.
For example: Treadwear 200 Traction AA Temperature A
■
Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire
when tested under controlled conditions on a specified government test
course.
For example, a tire graded 150 would wear one and a half (1 - 1/2) times as well on
the government course as a tire graded 100.
The relative performance of tires depends upon the actual conditions of their use.
Performance may differ significantly from the norm due to variations in driving
habits, service practices and differences in road characteristics and climate.
■
Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C, and they rep-
resent the tire’s ability to stop on wet pavement as measured under controlled
conditions on specified government test surfaces of asphalt and concrete.
A tire marked C may have poor traction performance.
Warning: The traction grade assigned to this tire is based on braking (straight
ahead) traction tests and does not include cornering (turning) traction.
Uniform Tire Quality Grading
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Temperature A, B, C
The temperature grades are A (the highest), B, and C, representing the tire’s
resistance to the generation of heat and its ability to dissipate heat when
tested under controlled conditions on a specified indoor laboratory test
wheel.
Sustained high temperature can cause the material of the tire to degenerate and
reduce tire life, and excessive temperature can lead to sudden tire failure.
Grade C corresponds to a level of performance which all passenger car tires must
meet under the Federal Motor Vehicle Safety Standard No. 109.
Grades B and A represent higher levels of performance on the laboratory test
wheel than the minimum required by law.
Warning: The temperature grades of a tire assume that it is properly inflated and
not overloaded.
Excessive speed, underinflation, or excessive loading, either separately or in com-
bination, can cause heat buildup and possible tire failure.
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9-1. Specifications
RX350/RX350L_U
Glossary of tire terminology
Tire related term
Meaning
Cold tire inflation pressure
Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km under that condition
Maximum inflation pres-
sure
The maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressure
Cold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equipment,
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 follows
Occupant distribution
Distribution of occupants in a vehicle as specified in the
third column of Table 1
*
below
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