2012 INFINITI G-COUPE fuel

For further brake and clutch fluid informa-
tion, see“Capacities and recommended
fuel/lubricants” (P.9-2) of this manual.
WARNING
.Use only new fluid from a sealed
container. Old, inferior or contaminated
fluid may damage the brake system. The
use of improper fluids can damage the
brake system and affect the vehicle’s
stopping ability.
. Clean the filler cap before removing.
. Brake fluid is poisonous and should be
stored carefully in marked containers out
of the reach of children.
CAUTION
Do not spill the fluid on painted surfaces.
This will damage the paint. If fluid is spilled,
wash the surface with water.
SDI2025
BRAKE FLUID
Check the fluid level in the reservoir. If the
fluid is below the MIN line
*2or the brake
warning light comes on, add Genuine
NISSAN Super Heavy Duty Brake Fluid or
equivalent DOT 3fluid up to the MAX line
*1. If fluid must be added frequently, the
system should be checked by an INFINITI
retailer.
SDI1906A
CLUTCH FLUID (if so equipped)
Check the fluid level in the reservoir. If the
fluid level is below the MIN line
*1, add
Genuine NISSAN Super Heavy Duty Brake
Fluid or equivalent DOT 3fluid up to the
MAX line
*2. If fluid must be added
frequently, the system should be checked
by an INFINITI retailer.
Maintenance and do-it-yourself8-15
BRAKE AND CLUTCH FLUID

Always replace spark plugs with recom-
mended or equivalent ones.
SDI2033
Remove the retainers*1as illustrated and
pull out the filter element
*2.
The filter element should not be cleaned
and reused. Replace it according to the
maintenance intervals. See “INFINITI Ser-
vice and Maintenance Guide” for mainte-
nance intervals. When replacing the filter, wipe the inside of the air cleaner housing
and the cover with a damp cloth.
WARNING
.
Operating the engine with the air
cleaner removed can cause you or others
to be burned. The air cleaner not only
cleans the air, it stops flame if the
engine backfires. If it isn’t there, and the
engine backfires, you could be burned.
Do not drive with the air cleaner
removed, and be careful when working
on the engine with the air cleaner
removed.
. Never pour fuel into the throttle body or
attempt to start the engine with the air
cleaner removed. Doing so could result
in serious injury.
Maintenance and do-it-yourself8-21
AIR CLEANER

9 Technical and consumer information
Capacities and recommended fuel/lubricants....... 9-2
Fuel recommendation ...................................... 9-4
Engine oil and oil filter recommendation ......... 9-6
Air conditioning system refrigerant and
lubricant recommendations ............................. 9-7
Specifications ...................................................... 9-8
Engine............................................................. 9-8
Wheels and tires ............................................. 9-9
Dimensions ................................................... 9-11
When traveling or registering your vehicle in
another country ................................................. 9-11
Vehicle identification ......................................... 9-12 Vehicle Identification Number (VIN) plate ....... 9-12
Vehicle identification number
(chassis number) ........................................... 9-12
Engine serial number .................................... 9-12
F.M.V.S.S./C.M.V.S.S. certification label .......... 9-13
Emission control information label ................ 9-13
Tire and loading information label ................. 9-14
Air conditioner specification label.................. 9-14
Installing front license plate .............................. 9-15 Sedan ........................................................... 9-15 Coupe (except for INFINITI Performance Line,
Aerodynamic Package models) ..................... 9-17
Coupe (INFINITI Performance Line,
Aerodynamic Package models) ..................... 9-19
Vehicle loading information............................... 9-20 Terms .......................................................... 9-20
Vehicle load capacity ................................... 9-21
Loading tips................................................. 9-22
Measurement of weights.............................. 9-23
Towing a trailer ................................................. 9-23
Flat towing................................................... 9-23
Uniform tire quality grading .............................. 9-24 Treadwear .................................................... 9-24
Traction AA, A, B and C................................ 9-24
Temperature A, B and C ............................... 9-24
Emission control system warranty ..................... 9-25
Reporting safety defects.................................... 9-26
Readiness for Inspection/Maintenance (I/M) test
(US only)........................................................... 9-27
Event Data Recorders (EDR) ............................... 9-27
Owner’s Manual/Service Manual
order information .............................................. 9-28

9-2Technical and consumer information
The following are approximate capacities. The actual refill capacities may be a little different. When refilling, follow the procedure
instructed in the“8. Maintenance and do-it-yourself” section to determine the proper refill capacity.
Capacity (Approximate)
Recommended specifications
US measure Imp measure Liter
Fuel 20 gal16-5/8 gal 76 See“Fuel recommendation” (P.9-4).
Engine oil (VQ37VHR)*1
.Engine oil with API Certification Mark*2*3
. Viscosity SAE 5W-30
Drain and refill
With oil filter change 5-1/8 qt4-3/8 qt 4.9
Without oil filter change 4-7/8 qt4 qt4.6
Engine oil (VQ25HR)*1
Drain and refill With oil filter change 5 qt4-1/8 qt 4.7
Without oil filter change 4-5/8 qt3-7/8 qt 4.4
Cooling system (VQ37VHR)
Automatic transmission
model With reservoir
9 qt7-1/2 qt 8.5
Pre-diluted Genuine NISSAN Long Life Antifreeze/Coolant (blue) or equivalent
Reservoir
7/8 qt3/4 qt 0.8
Manual transmission model With reservoir
9-1/8 qt7-5/8 qt 8.6
Reservoir 7/8 qt3/4 qt 0.8
Cooling system (VQ25HR)
AWD With reservoir
9-1/4 qt7-3/4 qt 8.8
Reservoir 7/8 qt3/4 qt 0.8
2WD With reservoir
8-3/4 qt7-1/4 qt 8.3
Reservoir 7/8 qt3/4 qt 0.8
Automatic transmission fluid ———Genuine NISSAN Matic S ATF*4
Manual transmission gear oil ———Genuine NISSAN Manual Transmission Fluid (MTF)
HQ Multi 75W-85 or API GL-4, Viscosity SAE 75W-85
Differential gear oil ———For 7A/T 2WD models:
API GL-5 Synthetic Gear Oil Viscosity SAE 75W-90*6
All other models:
Genuine NISSAN Differential Oil Hypoid Super GL-5 80W-90 or API GL-5, Viscosity SAE
80W-90*5
Transfer fluid ———Genuine NISSAN Matic J ATF*7
CAPACITIES AND RECOMMENDED FUEL/
LUBRICANTS

9-4Technical and consumer information
FUEL RECOMMENDATION
VQ25HR engine
INFINITI recommends the use of unleaded
premium gasoline with an octane rating of
at least 91 AKI (Anti-Knock Index) number
(Research octane number 96).
If unleaded premium gasoline is not
available, you may use unleaded regular
gasoline with an octane rating of at least
87 AKI number (Research octane number
91), but you may notice a decrease in
performance.
VQ37VHR engine
Use unleaded premium gasoline with an
octane rating of at least 91 AKI (Anti-Knock
Index) number (Research octane number
96).
If premium gasoline is not available,
unleaded regular gasoline with an octane
rating of 87 AKI number (Research octane
number 91) may be temporarily used, but
only under the following precautions:
.Have the fuel tank filled only partially
with unleaded regular gasoline, and fill
up with unleaded premium gasoline as
soon as possible. .
Avoid full throttle driving and abrupt
acceleration.
However, for maximum vehicle perfor-
mance, the use of unleaded premium
gasoline is recommended.
CAUTION
. Using a fuel other than that specified
could adversely affect the emission
control system, and may also affect
warranty coverage.
. Under no circumstances should a leaded
gasoline be used, because this will
damage the three-way catalyst.
. Do not use E-85 fuel in your vehicle. Your
vehicle is not designed to run on E-85
fuel. Using E-85 fuel can damage the fuel
system components and is not covered
by the INFINITI vehicle limited warranty.
Gasoline specifications
INFINITI recommends using gasoline that
meets the World-Wide Fuel Charter (WWFC)
specifications where it is available. Many
of the automobile manufacturers devel-
oped this specification to improve emis-
sion system and vehicle performance. Ask your service station manager if the gaso-
line meets the World-Wide Fuel Charter
(WWFC) specifications.
Reformulated gasoline
Some fuel suppliers are now producing
reformulated gasolines. These gasolines
are specially designed to reduce vehicle
emissions. INFINITI supports efforts to-
wards cleaner air and suggests that you
use reformulated gasoline when available.
Gasoline containing oxygenates
Some fuel suppliers sell gasoline contain-
ing 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.
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
recommended for unleaded gasoline.

.If an oxygenate-blend, excepting a
methanol blend, is used, it should
contain no more than 10% oxygenate.
(MTBE may, however, be added up to
15%.)
. If a methanol blend is used, it should
contain no more than 5% methanol
(methyl alcohol, wood alcohol). It
should also contain a suitable amount
of appropriate cosolvents and corro-
sion inhibitors. If not properly formu-
lated with appropriate cosolvents and
corrosion inhibitors, such methanol
blends may cause fuel system damage
and/or vehicle performance problems.
At this time, sufficient data is not
available to ensure that all methanol
blends are suitable for use in INFINITI
vehicles.
If any undesirable driveability problems
such as engine stalling or hard hot starting
are experienced after using oxygenate-
blend fuels, immediately 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-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 fuel in your vehicle. U.S. government
regulations require fuel ethanol dispensing
pumps to be identified by a small, square,
orange and black label with the common
abbreviation or the appropriate percentage
for that region.
Aftermarket fuel additives
INFINITI does not recommend the use of
any aftermarket fuel additives (Example:
fuel injector cleaner, octane booster, intake
valve deposit removers, etc.) which are
sold commercially. Many of these additives
intended for gum, varnish or deposit
removal may contain active solvent or
similar ingredients that can be harmful to
the fuel system and engine.
Octane rating tips
Using unleaded gasoline with an octane
rating lower than recommended above can
cause persistent, heavy spark knock.
(Spark knock is a metallic rapping noise.)
If severe, this can lead to engine damage.
If you detect a persistent 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, have an INFINITI retailer
correct the condition. Failure to correct the
condition is misuse of the vehicle, for
which INFINITI is not responsible.
Incorrect ignition timing will result in
knocking, after-run or overheating. This in
turn may cause excessive fuel consumption
or damage to the engine. If any of the
above symptoms are encountered, have
your vehicle checked at an INFINITI retailer
or other competent service facility.
However, now and then you may notice
light spark knock for a short time while
accelerating or driving up hills. This is no
cause for concern, because you get the
greatest fuel benefit when there is light
spark knock for a short time under heavy
engine load.CAUTION
.
Your vehicle is not designed to run on E-
85 fuel. Using E-85 fuel in a vehicle not
specifically designed for E-85 fuel can
damage fuel system components and is
not covered by the INFINITI new vehicle
Technical and consumer information9-5

9-6Technical and consumer information
limited warranty.
. E-85 is a mixture of approximately 85%
fuel ethanol and 15% unleaded gasoline.
. U.S. government regulations require
ethanol dispensing pumps to be identi-
fied by a small, square, orange and black
label with the common abbreviation or
the appropriate percentage for that
region.
STI0505
1. API certification mark
2. API service symbol
ENGINE OIL AND OIL FILTER RE-
COMMENDATION
Selecting the correct oil
It is essential to choose the correct grade,
quality, and viscosity engine oil to ensure
satisfactory engine life and performance,
see “Capacities and recommended fuel/
lubricants” (P.9-2). INFINITI recommends
the use of an energy conserving oil in
order to improve fuel economy.
Select only engine oils that meet the American Petroleum Institute (API) certifi-
cation or International Lubricant Standar-
dization and Approval 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 specified 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.

DIMENSIONS
in (mm)
Sedan: Overall length (with front
license plate) 188.1 (4,779)
189.0 (4,800)*10
Overall length (without
front license plate) 187.9 (4,773)
189.0 (4,800)*10
Overall width 69.8 (1,773)
Overall height 57.2 (1,453)*1*2
57.8 (1,468)*4
Front tread 59.8 (1,520)
Rear tread 59.8 (1,520)*2
60.2 (1,530)*1*3*4
Wheelbase 112.2 (2,850)
Coupe: Overall length (with front
license plate) 183.2 (4,653)*8
183.8 (4,669)*9
185.2 (4,705)*11
Overall length (without
front license plate) 183.1 (4,650)*8
183.7 (4,665)*9
185.0 (4,700)*11
Overall width 71.8 (1,823)
Overall height 54.8 (1,390)*5
54.9 (1,393)*6
55.4 (1,406)*7
Front tread 60.8 (1,545)
Rear tread 61.4 (1,560)
Wheelbase 112.2 (2,850)
*1: Sedan/Two-Wheel Drive (2WD)/17-in
tire models
*2: Sedan/Two-Wheel Drive (2WD)/18-in tire models (FR: 225/50R18, RR:
245/45R18)
*3: Sedan/Two-Wheel Drive (2WD)/18-in tire models (FR, RR: 225/50R18)
*4: Sedan/All-Wheel Drive (AWD) models
*5: Coupe/Two-Wheel Drive (2WD)/18-in tire models
*6: Coupe/Two-Wheel Drive (2WD)/19-in tire models
*7: Coupe/All-Wheel Drive (AWD) models
*8: Coupe/Standard models
*9: Coupe/Sports models
*10: Sedan/Aerodynamic Package models
*11: C oupe/INFINITI Performance Line,
Aerodynamic Package models If you plan to travel in another country,
you should first find out if the fuel
available is suitable for your vehicle’
s
engine.
Using fuel with too low an octane rating
may cause engine damage. All gasoline
vehicles must be operated with unleaded
gasoline. Therefore, avoid taking your
vehicle to areas where appropriate fuel is
not available.
When transferring the registration of your
vehicle to another country, state, province
or district, it may be necessary to modify
the vehicle to meet local laws and regula-
tions.
The laws and regulations for motor vehicle
emission control and safety standards vary
according to the country, state, province or
district; therefore, vehicle specifications
may differ.
When any vehicle is to be taken into
another country, state, province or district
and registered, its modifications, trans-
portation, and registration are the respon-
sibility of the user. INFINITI is not
responsible for any inconvenience that
may result.
Technical and consumer information9-11
WHEN TRAVELING OR REGISTERING YOUR
VEHICLE IN ANOTHER COUNTRY