Infiniti G Convertible (2012 year). Manual — part 28
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
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.
Technical and consumer information
9-5
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9-6
Technical and consumer information
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.
Oil which may contain foreign matter or
has been previously used should not be
used.
Oil viscosity
The engine oil viscosity or thickness
changes with temperature. Because of this,
it is important that the engine oil viscosity
be selected based on the temperatures at
which the vehicle will be operated before
the next oil change. Choosing an oil
viscosity other than that recommended
could cause serious engine damage.
Selecting the correct oil filter
Your new vehicle is equipped with a high-
quality genuine NISSAN oil filter. When
replacing, use the genuine oil filter or its
equivalent for the reason described in
change intervals.
Change intervals
The oil and oil filter change intervals for
your engine are based on the use of the
specified quality oils and filters. Oil and
filter other than the specified quality, or oil
and filter change intervals longer than
recommended could reduce engine life.
Damage to engines caused by improper
maintenance or use of incorrect oil and
-------------------------------------------------------------------------------------------------------------------------------------------------------------
filter quality and/or viscosity is not covered
by the new INFINITI vehicle limited warran-
ties.
Your engine was filled with a high quality
engine oil when it was built. You do not
have to change the oil before the first
recommended change interval. Oil and
filter change intervals depend upon how
you use your vehicle. Operation under the
following conditions may require more
frequent oil and filter changes.
. repeated short distance driving at cold
outside temperatures,
. driving in dusty conditions,
. extensive idling,
. stop and go “rush hour” traffic,
Refer to the “INFINITI Service and Main-
tenance Guide” for the maintenance sche-
dule.
AIR CONDITIONING SYSTEM RE-
FRIGERANT AND LUBRICANT RE-
COMMENDATIONS
The air conditioning system in your
INFINITI vehicle must be charged with the
refrigerant HFC-134a (R-134a) and the
lubricant, NISSAN A/C system oil Type S
or the exact equivalents.
CAUTION
The use of any other refrigerant or lubricant
will cause severe damage to the air con-
ditioning system and will require the repla-
cement of all air conditioner system
components.
The refrigerant HFC-134a (R-134a) in your
INFINITI vehicle will not harm the earth’s
ozone layer. Although this refrigerant does
not affect the earth’s atmosphere, certain
governmental regulations require the re-
covery and recycling of any refrigerant
during automotive air conditioning system
service. Your INFINITI retailer has the
trained technicians and equipment needed
to recover and recycle your air conditioning
system refrigerant.
Contact an INFINITI retailer when servicing
your air conditioning system.
Technical and consumer information
9-7
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9-8
Technical and consumer information
ENGINE
Model
VQ37VHR
Type
Gasoline, 4-cycle
Cylinder arrangement
6-cylinder, V-slanted at 608
Bore 6 Stroke
in (mm)
3.760 6 3.385 (95.5 6 86.0)
Displacement
cu in (cm
3
)
225.54 (3,696)
Firing order
1-2-3-4-5-6
Idle speed
rpm
No adjustment is necessary.
Ignition timing (B.T.D.C.)
degree/rpm
Spark plug
Standard
FXE24HR-11
Spark plug gap (Normal)
in (mm)
0.043 (1.1)
Camshaft operation
Timing chain
This spark ignition system complies with the Canadian standard ICES-002.
STI0425
VQ37VHR engine
SPECIFICATIONS
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WHEELS AND TIRES
Road wheel
Type
Size
Offset in (mm)
Aluminum
Front:
Rear:
18 6 8J
18 6 8-1/2J
1.69 (43)
1.06 (27)
Front:
Rear:
19 6 8-1/2J
19 6 9J
1.69 (43)
1.18 (30)
Spare*
18 6 4T
0 (0)
Tire
Type
Size
Pressure PSI (kPa) [Cold]
Conventional
Front:
Rear:
P225/50R18 94V
P245/45R18 96V
38 (260)
Front:
Rear:
225/45R19 96W XL
245/40R19 98W XL
39 (270)
Spare (T-type)*
T145/70R18 107M
60 (420)
*: if so equipped.
Technical and consumer information
9-9
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9-10
Technical and consumer information
DIMENSIONS
in (mm)
Overall length (with front license plate)
183.5 (4,661)*1
184.0 (4,672)*2
185.4 (4,710)*3
Overall length (without front license plate)
183.3 (4,657)*1
184.0 (4,672)*2
185.2 (4,705)*3
Overall width
72.9 (1,852)
Overall height
55.1 (1,399)*4
55.1 (1,400)*5
Front tread
60.8 (1,545)
Rear tread
62.8 (1,595)*4
62.6 (1,590)*5
Wheelbase
112.2 (2,850)
*1: Without Aero Bumper
*2: With Aero Bumper
*3: Aerodynamic Package models
*4: 18-in tire models
*5: 19-in tire models
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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.
STI0431
VEHICLE IDENTIFICATION NUMBER
(VIN) PLATE
The vehicle identification number plate is
attached as shown. This number is the
identification for your vehicle and is used
in the vehicle registration.
STI0492
VEHICLE IDENTIFICATION NUMBER
(chassis number)
The number is stamped as shown in the
engine compartment.
Technical and consumer information
9-11
WHEN TRAVELING OR REGISTERING YOUR
VEHICLE IN ANOTHER COUNTRY
VEHICLE IDENTIFICATION
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9-12
Technical and consumer information
STI0509
ENGINE SERIAL NUMBER
The number is stamped on the engine as
shown.
STI0800
F.M.V.S.S./C.M.V.S.S. CERTIFICA-
TION LABEL
The Federal/Canadian Motor Vehicle Safety
Standards (F.M.V.S.S./C.M.V.S.S.) certifica-
tion label is affixed as shown. This label
contains valuable vehicle information, such
as: Gross Vehicle Weight Ratings (GVWR),
Gross Axle Weight Rating (GAWR), month
and year of manufacture, Vehicle Identifi-
cation Number (VIN), etc. Review it care-
fully.
STI0422
EMISSION CONTROL INFORMATION
LABEL
The emission control information label is
attached as shown.
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STI0801
TIRE AND LOADING INFORMATION
LABEL
The cold tire pressure is shown on the Tire
and Loading information label affixed to
the pillar as illustrated.
STI0495
AIR CONDITIONER SPECIFICATION
LABEL
The air conditioner specification label is
attached as shown.
Use the following steps to mount the
license plate:
Before mounting the license plate, confirm
that the following parts are enclosed in the
plastic bag.
. License plate bracket
. J-nut 6 2 (except for Aerodynamic
Package models)
. Screw 6 2
. Screw grommet 6 2
Only use the recommended mounting
position or Intelligent Cruise Control (ICC)
sensor obstruction (if so equipped) may
result.
Technical and consumer information
9-13
INSTALLING FRONT LICENSE PLATE
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9-14
Technical and consumer information
STI0799
Except for Aerodynamic Package models
EXCEPT FOR AERODYNAMIC PACK-
AGE MODELS
1. Park the vehicle on flat, level ground.
2. Locate the center position indicator
*
A
on the lower part of the grille. Measure
straight down from the edge where the
bumper and grille meet to the aligning
holes
*
B
, keeping the tape measure
lined up with the center position
indicator.
3. Mark the holes
*
B
with a felt-tip pen.
4. For Sports models: Carefully drill the
two aligning holes
*
B
using a 0.39 in
(10 mm) drill bit at the marked loca-
tions. (Be sure that the drill only goes
through the bumper fascia.)
5. For Sports models: Line up the bosses
*
C
or license plate bracket with the
holes and hold the license plate brack-
et in place.
6. Mark the center of the holes
*
D
with a
felt-tip pen.
7. Carefully drill the two pilot holes using
a 0.39 in (10 mm) drill bit at the marked
locations. (Be sure that the drill only
goes through the bumper fascia.)
8. Insert grommets into the hole on the
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fascia.
9. Insert a flat-blade screwdriver into the
grommet hole to add 908 turn onto the
part
*
E
.
10. Insert a J-nut into the license plate
bracket before placing the license plate
bracket on the fascia.
11. Install the license plate bracket with
screws.
12. Install the license plate with bolts that
are no longer than 0.55 in (14 mm).
Technical and consumer information
9-15
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9-16
Technical and consumer information
STI0805
For Aerodynamic Package models
FOR AERODYNAMIC PACKAGE MOD-
ELS
1. Park the vehicle on flat, level ground.
2. Temporarily fit the license plate bracket
on the center of the front bumper
fascia.
3. For horizontal position adjustment,
place and hold the underside tab of
the license plate bracket on the front
bumper fascia to align the tab’s V notch
with the edge of a bead on the upper
side of front bumper fascia.
4. Hold the license plate bracket and mark
the points
*
A
on the bumper facia
through the center of the holes
*
B
with
a felt-tip pen.
5. Remove the license plate bracket.
6. Detach the license plate bracket and
cut the underside tab by using a cutter.
7. Carefully drill two shallow pilot holes
*
A
using a 0.39 in (10 mm) drill bit at
the marked locations. (Be sure that the
drill only goes through the fascia, or
damage to the nut may occur.)
8. Insert grommets into the hole on the
front bumper fascia.
-------------------------------------------------------------------------------------------------------------------------------------------------------------
9. Insert a flat-blade screwdriver into the
grommet hole to add a 908 turn onto
the part
*
C
.
10. Install the license plate bracket with
the bolts.
11. Install the license plate with bolts that
are not longer than 0.55 in (14 mm).
WARNING
.
It is extremely dangerous to ride
in a cargo area inside the vehicle.
In a collision, people riding in
these areas are more likely to be
seriously injured or killed.
.
Do not allow people to ride in any
area of vehicle that is not
equipped with seats and seat
belts.
.
Be sure everyone in your vehicle is
in a seat and using a seat belt
properly.
TERMS
It is important to familiarize yourself
with the following terms before
loading your vehicle:
. Curb Weight (actual weight of your
vehicle) - vehicle weight includ-
ing: standard and optional equip-
ment, fluids, emergency tools,
and spare tire assembly. This
weightdoes not include passen-
gers and cargo.
. GVW (Gross Vehicle Weight) - curb
weight plus the combined weight
of passengers and cargo.
. GVWR (Gross Vehicle Weight Rat-
ing) - maximum total combined
weight of the unloaded vehicle,
passengers, luggage, hitch, trailer
tongue load and any other op-
tional equipment. This informa-
tion is located on the F.M.V.S.S./
C.M.V.S.S. label.
. GAWR (Gross Axle Weight Rating) -
maximum weight (load) limit spe-
cified for the front or rear axle.
This information is located on the
F.M.V.S.S./C.M.V.S.S. label.
. GCWR (Gross Combined Weight
Rating) - The maximum total
weight rating of the vehicle, pas-
sengers, cargo, and trailer.
. Vehicle Capacity Weight, Load
limit, Total load capacity - max-
imum total weight limit specified
Technical and consumer information
9-17
VEHICLE LOADING INFORMATION
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9-18
Technical and consumer information
of the load (passengers and car-
go) for the vehicle. This is the
maximum combined weight of
occupants and cargo that can be
loaded into the vehicle. If the
vehicle is used to tow a trailer,
the trailer tongue weight must be
included as part of the cargo load.
This information is located on the
Tire and Loading Information la-
bel.
. Cargo capacity - permissible
weight of cargo, the weight of
total occupants weight subtracted
from the load limit.
STI0365
VEHICLE LOAD CAPACITY
Do not exceed the load limit of your
vehicle shown as “The combined
weight of occupants and cargo” on
the Tire and Loading Information
label. Do not exceed the number of
occupants shown as “Seating Capa-
city” on the Tire and Loading In-
formation label.
To get “the combined weight of
occupants and cargo”, add the
weight of all occupants, then add
the total luggage weight. Examples
are shown in the illustration.
Steps for determining correct load
limit
1. Locate the statement “The com-
bined weight of occupants and
cargo should never exceed XXX kg
or XXX lbs” on your vehicle’s
placard.
2. Determine the combined weight of
the driver and passengers that
will be riding in your vehicle.
-------------------------------------------------------------------------------------------------------------------------------------------------------------
3. Subtract the combined weight of
the driver and passengers from
XXX kg or XXX lbs.
4. The resulting figure equals the
available amount of cargo and
luggage load capacity. For exam-
ple, if the XXX amount equals
1400 lbs. and there will be five
150 lb. passengers in your vehi-
cle, the amount of available cargo
and luggage load capacity is 650
lbs. (1400 − 750 (5 x 150) = 650
lbs or 640 − 340 (5 x 70) = 300
kg.)
5. Determine the combined weight of
luggage and cargo being loaded
on the vehicle. That weight may
not safely exceed the available
cargo and luggage load capacity
calculated in Step 4.
6. If your vehicle will be towing a
trailer, load from your trailer will
be transferred to your vehicle.
Consult this manual to determine
how this reduces the available
cargo and luggage load capacity
of your vehicle.
Before driving a loaded vehicle,
confirm that you do not exceed the
Gross Vehicle Weight Rating (GVWR)
or the Gross Axle Weight Rating
(GAWR) for your vehicle. (See “Mea-
surement of weights” (P.9-20).)
Also check tires for proper inflation
pressures. See the Tire and Loading
Information label.
LOADING TIPS
. The GVW must not exceed GVWR
or GAWR as specified on the F.M.V.
S.S./C.M.V.S.S. certification label.
. Do not load the front and rear axle
to the GAWR. Doing so will exceed
the GVWR.
WARNING
. Properly secure all cargo to help
prevent it from sliding or shifting.
Do not place cargo higher than the
seatbacks. In a sudden stop or
collision, unsecured cargo could
cause personal injury.
. Do not load your vehicle any
heavier than the GVWR or the
maximum front and rear GAWRs.
If you do, parts of your vehicle can
break, tire damage could occur, or
it can change the way your vehicle
handles. This could result in loss
of control and cause personal
injury.
. Overloading could not only short-
en the life of your vehicle and the
tires, but also could lead to
hazardous vehicle handling and
long braking distance. This may
cause a premature tire malfunc-
tion, which could result in a
serious accident and personal in-
jury. Failures caused by overload-
ing are not covered by the
vehicle’s warranty.
Technical and consumer information
9-19
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9-20
Technical and consumer information
MEASUREMENT OF WEIGHTS
Secure loose items to prevent weight
shifts that could affect the balance of
your vehicle. When the vehicle is
loaded, drive to a scale and weigh
the front and the rear wheels sepa-
rately to determine axle loads. In-
dividual axle loads should not
exceed either of the gross axle
weight ratings (GAWR). The total of
the axle loads should not exceed the
gross vehicle weight rating (GVWR).
These ratings are given on the
vehicle certification label. If weight
ratings are exceeded, move or re-
move items to bring all weights
below the ratings.
Do not tow a trailer with your
vehicle.
FLAT TOWING
Towing your vehicle with all four wheels on
the ground is sometimes called flat towing.
This method is sometimes used when
towing a vehicle behind a recreational
vehicle, such as a motor home.
CAUTION
.
Failure to follow these guidelines can
result in severe transmission damage.
.
Whenever flat towing your vehicle, al-
ways tow forward, never backward.
.
DO NOT tow any automatic transmission
vehicle with all four wheels on the
ground (flat towing). Doing so WILL
DAMAGE internal transmission parts
due to lack of transmission lubrication.
.
For emergency towing procedures refer
to “Towing recommended by INFINITI”
(P.6-18) of this manual.
Automatic transmission
To tow a vehicle equipped with an auto-
matic transmission, an appropriate vehicle
dolly MUST be placed under the towed
vehicle’s drive wheels. Always follow the
dolly manufacturer’s recommendations
when using their product.
Manual transmission
. Always tow with the manual transmis-
sion in Neutral.
. Your vehicle speed should never exceed
70 MPH (112 km/h) when flat towing
your vehicle.
. After towing 500 miles, start and idle
the engine with the transmission in
Neutral for two minutes. Failure to idle
the engine after every 500 miles of
towing may cause damage to the
transmission’s internal parts.
TOWING A TRAILER
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