2023 INFINITI QX50 Owners Manual

Additional information
NOTE FOR ENGINE COOLANT *:
(1)
First replacement interval is 105,000
miles (168,000 km) or 84 months. After
first replacement, replace every 75,000
miles (120,000 km) or 60 months.
(2)Use only Genuine NISSAN Long Life
Antifreeze/Coolant (blue) or equivalent
with proper mixture ratio of 50% antifreeze
and 50% demineralized or distilled water.
Mixing any other type of coolant or the use
of non-distilled water may reduce the life
expectancy of the factory fill coolant.
*Maintenance items and intervals wit h“*”
are recommended by INFINITI for reliable
vehicle operation. The owner need not
perform such maintenance in order to
maintain the emission warranty or
manufacturer recall liability. Other
maintenance items and intervals are
required.
NOTE FOR SPARK PLUGS:
(1) Replace every 105,000 miles
(168,000 km)
(2) Replace spark plug when the plug gap
exceeds 0.045 in (1.25 mm) even if within
specified replacement mileage.
Maintenance and schedules9-25

MEMO
9-26Maintenance and schedules

10 Technical and consumer information
Recommended fluids/lubricants and capacities . . 10-2Fuel recommendation ....................... 10-4
Engine oil and oil filter recommendations .....10-6
Air conditioner system refrigerant and oil
recommendations ........................... 10-7
Specifications .................................. 10-9
Engine ...................................... 10-9
Wheels and tires ........................... 10-10
Dimensions and weights ...................10-10
When traveling or registering in another
country ....................................... 10-11
Vehicle identification .......................... 10-11
Vehicle Identification Number (VIN) plate . . . 10-11
Vehicle identification number (chassis
number) ................................... 10-11
Engine serial number ....................... 10-12
F.M.V.S.S./C.M.V.S.S. certification label .....10-12
Emission control information label ..........10-12
Tire and Loading Information label ..........10-13
Air conditioner specification label ...........10-13
Installing front license plate ....................10-14
Vehicle loading information ....................10-17
Terms ..................................... 10-17Vehicle load capacity
....................... 10-18
Securing the load .......................... 10-20
Loading tips ............................... 10-21
Measurement of weights ...................10-21
Towing a trailer ............................... 10-22
Maximum load limits ....................... 10-23
Towing load/specification ..................10-26
Towing safety ............................. 10-27
Flat towing for all–wheel drive vehicle
(if so equipped) ............................ 10-31
Flat towing for front wheel drive vehicle
(if so equipped) ............................ 10-32
Uniform tire quality grading ...................10-32
Emission control system warranty .............10-33
Reporting safety defects ......................10-34
Readiness for Inspection/Maintenance (I/M)
test .......................................... 10-35
Event Data Recorders (EDR) ..................
10-36
Additional

Data Recording (on vehicles
equipped with optional ProPILOT Assist) . . . 10-36
Owner's Manual/Service Manual order
information ................................... 10-37

The following are approximate capacities. The actual refill capacities may be slightly different. When refilling, follow the procedure described
in the “Do-it-yourself” section to determine the proper refill capacity.
Fluid TypeCapacity (approximate)
Recommended Fluids/Lubricants
Metric
Measure US
Measure Imperial
Measure
Fuel 60 L 15-7/8 gal 13-1/4 gal • For additional information, see “Fuel recommendation” (P. 10-4).
Engine oil*1
Drain and refill
*1 For additional information,
see “Engine oil” (P. 8-6). With oil filter
change 4.7 L 5 qt 4-1/8 qt • Genuine “NISSAN Motor Oil 0W-20 SP” (or equivalent) is recom-
mended.
• If the above motor oil (or engine oil) is not available, a synthetic
SAE 0W-20 GF-6 SP motor oil (or engine oil) may be used. Damage
caused by the use of motor oil (or engine oil) other than as recom-
mended is not covered under INFINITI’s New Vehicle Limited War-
ranty. For additional information, see “Engine oil and oil filter recom-
mendations” (P. 10-6).
Without oil filter
change 4.6 L 4-7/8 qt 4 qt
Engine coolant
(with reservoir) 7.7 L 2 gal 1-3/4 gal• Pre-diluted Genuine NISSAN Long Life Antifreeze/Coolant (blue) or
equivalent
Continuously Variable Transmission (CVT) fluid —— —• Genuine NISSAN CVT Fluid NS-3
• INFINITI recommends using Genuine NISSAN CVT Fluid NS-3
(or equivalent) ONLY in INFINITI CVTs. Do not mix with other fluids.
Using fluids that are not equivalent to Genuine NISSAN CVT Fluid
NS-3 may damage the CVT. Damage caused by the use of fluids other
than as recommended is not covered under INFINITI’s New Vehicle
Limited Warranty outlined in your Warranty Information Booklet.
Differential gear oil —— — • Genuine NISSAN HYPOID FLUID•S1 GL-5 75W-80 or equivalent
Transfer oil —— —• Genuine NISSAN Differential Oil Hypoid Super GL-5 80W-90 or
equivalent conventional (non-synthetic) oil
Brake fluid —— —• Genuine NISSAN Super Heavy Duty Brake Fluid*2 or equivalent
DOT 3
*2: Available in mainland U.S.A. through an INFINITI retailer
RECOMMENDED FLUIDS/
LUBRICANTS AND CAPACITIES
10-2Technical and consumer information

Fluid TypeCapacity (approximate)
Recommended Fluids/Lubricants
Metric
Measure US
Measure Imperial
Measure
Multi-purpose grease —— — • NLGI No. 2 (Lithium Soap base)
Air conditioning system refrigerant —— —• HFO-1234yf (R-1234yf)
• For additional information, see “Air conditioner system refrigerant and
oil recommendations” (P. 10-7).
Air conditioning system oil —— —• Genuine NISSAN A/C System oil Type PAG (ND-OIL12) or equivalent
• For additional information, see “Air conditioner system refrigerant and
oil recommendations” (P. 10-7).
Windshield-washer fluid 5 L 1–3/8 gal 1–1/8 gal• Genuine NISSAN Windshield Washer Concentrate Cleaner & Anti-
freeze fluid or equivalent
Technical and consumer information10-3

FUEL RECOMMENDATION
Use unleaded premium gasoline with an oc-
tane rating of at least 91 AKI (Anti-Knock
Index) number (Research octane number 96).
If unleaded premium gasoline is not available,
unleaded regular gasoline with an octane rat-
ing of at least 87 AKI number (Research oc-
tane number 91) may be temporarily used,
but only under the following precautions:
• Have the fuel tank filled only partially withunleaded regular gasoline, and fill up with
unleaded premium gasoline as soon as
possible.
• Avoid full throttle driving and abrupt acceleration.
Use unleaded premium gasoline for maxi-
mum vehicle performance.
CAUTION
• Using a fuel other than that specified
could adversely affect the emission con-
trol system, and may also affect the war-
ranty coverage.
• Under no circumstances should a leaded
gasoline be used, because this will dam-
age the three-way catalyst. •
Do not use a fuel containing more than
15% ethanol in your vehicle. Your vehicle
is not designed to run on a fuel contain-
ing more than 15% ethanol. Using a fuel
containing more than 15% ethanol in a
vehicle not specifically designed for a
fuel containing more than 15% ethanol
can adversely affect the emission control
devices and systems of the vehicle. Dam-
age caused by such fuel is not covered
by the INFINITI New Vehicle Limited
Warranty.
• Do not use fuel that contains the octane
booster methylcyclopentadienyl manga-
nese tricarbonyl (MMT). Using fuel con-
taining MMT may adversely affect ve-
hicle performance and vehicle emissions.
Not all fuel dispensers are labeled to in-
dicate MMT content, so you may have to
consult your gasoline retailer for more
details. Note that Federal and California
laws prohibit the use of MMT in refor-
mulated gasoline.
•
U.S. government regulations require etha-
nol dispensing pumps to be identified by a
small, square, orange and black label with
the common abbreviation or the appropri-
ate percentage for that region.
Gasoline specifications
INFINITI recommends using gasoline that
meets the World-Wide Fuel Charter
(WWFC) specifications where it is available.
Many of the automobile manufacturers de-
veloped this specification to improve emis-
sion control system and vehicle performance.
Ask your service station manager if the gaso-
line meets the WWFC specifications.
Reformulated gasoline
Some fuel suppliers are now producing refor-
mulated gasolines. These gasolines are spe-
cially designed to reduce vehicle emissions.
INFINITI supports efforts towards cleaner air
and suggests that you use reformulated
gasoline when available.
Gasoline containing oxygenates
Some fuel suppliers sell gasoline containing
oxygenates such as ethanol, MTBE and
methanol with or without advertising their
presence. INFINITI does not recommend the
use of fuels of which the oxygenate content
and the fuel compatibility for your INFINITI
cannot be readily determined. If in doubt, ask
your service station manager.
10-4Technical and consumer information

If you use oxygenate-blend gasoline, please
take the following precautions as the usage
of such fuels may cause vehicle performance
problems and/or fuel system damage.
•The fuel should be unleaded and have an
octane rating no lower than that recom-
mended for unleaded gasoline.
• If an oxygenate-blend other than metha-
nol blend is used, it should contain no more
than 15% oxygenate.
•
If a methanol blend is used, it should contain
no more than 5% methanol (methyl alcohol,
wood alcohol). It should also contain a suit-
able amount of appropriate cosolvents and
corrosion inhibitors. If not properly formu-
lated with appropriate cosolvents and cor-
rosion inhibitors, such methanol blends may
cause fuel system damage and/or vehicle
performance problems. At this time, suffi-
cient data is not available to ensure that all
methanol blends are suitable for use in
INFINITI vehicles.
If any driveability problems such as engine
stalling and difficult hot-starting are experi-
enced after using oxygenate-blend fuels, im-
mediately change to a non-oxygenate fuel or
a fuel with a low blend of MTBE.
Take care not to spill gasoline during refueling.
Gasoline containing oxygenates can cause
paint damage.
E–15 fuel
E-15 fuel is a mixture of approximately 15%
fuel ethanol and 85% unleaded gasoline.
E-15 can only be used in vehicles designed to
run on E-15 fuel. U.S. government regula-
tions require fuel ethanol dispensing pumps
to be identified with small, square, orange
and black label with the common abbrevia-
tion or the appropriate percentage for that
region.
E–85 fuel
E-85 fuel is a mixture of approximately 85%
fuel ethanol and 15% unleaded gasoline.
E-85 can only be used in a Flexible Fuel
Vehicle (FFV). Do not use E-85 in your ve-
hicle. U.S. government regulations require
fuel ethanol dispensing pumps to be identi-
fied by a small, square, orange and black label
with the common abbreviation or the appro-
priate percentage for that region.
Fuel containing MMT
MMT, or methylcyclopentadienyl manganese
tricarbonyl, is an octane boosting additive.
INFINITI does not recommend the use of fuel
containing MMT. Such fuel may adversely
affect vehicle performance, including the
emissions control system. Note that while some fuel pumps label MMT content, not all
do, so you may have to consult your gasoline
retailer for more details.
Aftermarket fuel additives
INFINITI does not recommend the use of any
aftermarket fuel additives (for example, fuel
injector cleaner, octane booster, intake valve
deposit removers, etc.) which are sold com-
mercially. Many of these additives intended
for gum, varnish or deposit removal may con-
tain active solvents or similar ingredients that
can be harmful to the fuel system and engine.
Octane rating tips
Using unleaded gasoline with an octane rat-
ing lower than recommended can cause per-
sistent, heavy “spark knock.” (“Spark knock”
is a metallic rapping noise.) If severe, this can
lead to engine damage. If you detect a per-
sistent heavy spark knock even when using
gasoline of the stated octane rating, or if you
hear steady spark knock while holding a
steady speed on level roads, it is recom-
mended that you have an INFINITI retailer
correct the condition. Failure to correct the
condition is misuse of the vehicle, for which
INFINITI is not responsible.
Technical and consumer information10-5

Incorrect ignition timing may result in spark
knock, after-run and/or overheating, which
may cause excessive fuel consumption or en-
gine damage. If any of the above symptoms
are encountered, have your vehicle checked.
It is recommended that you visit an INFINITI
retailer.
However, now and then you may notice light
spark knock for a short time while accelerat-
ing or driving up hills. This is not a cause for
concern, because you get the greatest fuel
benefit when there is light spark knock for a
short time under heavy engine load.
ENGINE OIL AND OIL FILTER
RECOMMENDATIONS
Selecting the correct oil
It is essential to choose the correct grade, qual-
ity and viscosity engine oil to ensure satisfac-
tory engine life and performance. For addi-
tional information, see "Recommended fluids/
lubricants and capacities" (P. 10-2). INFINITI
recommends the use of an energy conserving
oil in order to improve fuel economy.
Select only engine oils that meet the Ameri-
can Petroleum Institute (API) certification or
International Lubricant Standardization andApproval Committee (ILSAC) certification
and SAE viscosity standard. These oils have
the API certification mark on the front of the
container. Oils which do not have the speci-
fied quality label should not be used as they
could cause engine damage.
Oil additives
INFINITI does not recommend the use of oil
additives. The use of an oil additive is not
necessary when the proper oil type is used
and maintenance intervals are followed.
Oil which may contain foreign matter or has
been previously used should not be used.
LTI2587
10-6Technical and consumer information