Page 453 of 522

8-6Maintenance and do-it-yourself
.Always wear eye protection whenever
you work on your vehicle.
. Your vehicle is equipped with an auto-
matic engine cooling fan. It may come on
at any time without warning, even if the
ignition key is in the OFF position and
the engine is not running. To avoid
injury, always disconnect the negative
battery cable before working near the
fan.
. If you must run the engine in an
enclosed space such as a garage, be
sure there is proper ventilation for
exhaust gases to escape.
. Never get under the vehicle while it is
supported only by a jack. If it is
necessary to work under the vehicle,
support it with safety stands.
. Keep smoking materials, flame and
sparks away from the fuel tank and
battery.
CAUTION
.Do not work under the hood while the
engine is hot. Turn the hybrid system off
and wait until it cools down. .
Avoid direct contact with used engine oil
and coolant. Improperly disposed engine
oil, coolant, and/or other vehicle fluids
can damage the environment. Always
conform to local regulations for disposal
of vehicle fluid.
. Never leave the engine or the transmis-
sion related component harness connec-
tor disconnected while the ignition
switch is in the ON position.
. Never connect or disconnect the battery
or any transistorized component while
the ignition switch is in the ON position.
This “8. Maintenance and do-it-yourself”
section gives instructions regarding only
those items which are relatively easy for an
owner to perform.
A genuine INFINITI Service Manual is also
available. (See “Owner’s Manual/Service
Manual order information” (P.9-21).)
You should be aware that incomplete or
improper servicing may result in operating
difficulties or excessive emissions, and
could affect your warranty coverage. If in
doubt about any servicing, we recommend
that it be done by an INFINITI retailer.
Page 466 of 522
JVM0064M
A: Indicated in blue
B: Indicated in red
C: Indicated in white
CHECKING BATTERY FLUID LEVEL
.*Aindicates that the battery is OK.
.
*Bindicates that the battery replacing
is necessary.
.
*Cindicates that the battery charging
is necessary.
If it is necessary to replace, contact an
INFINITI retailer.
JUMP STARTING
If jump starting is necessary, see “Jump
starting” (P.6-10). If the hybrid system
does not start by jump starting, the 12-
volt battery may have to be replaced.
Contact an INFINITI retailer.WARNING
Be sure the engine and the ignition switch
are off and that the parking brake is
engaged securely.
CAUTION
Be sure to use the correct socket to remove
the spark plugs. An incorrect socket can
damage the spark plugs.
Maintenance and do-it-yourself8-19
SPARK PLUGS
Page 471 of 522

8-24Maintenance and do-it-yourself
JVM0055X
JVM0056X
ENGINE COMPARTMENT OR TRUNK
ROOM
CAUTION
Never use a fuse of a higher or lower
amperage rating than that specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not
operate, check for an open fuse.
1. Be sure the ignition switch is pushed tothe OFF or LOCK position and the
headlight switch is turned to OFF.
2. Open the engine hood or trunk lid and to access the cover on the fuse/fusible
link holder.
3. Remove the fuse/fusible link holder cover.
4. Remove the fuse with the fuse puller.
SDI1754
5. If the fuse is open*A, replace it with a
new fuse
*B. Spare fuses are stored in
the passenger compartment fuse box.
6. If a new fuse also opens, have the electrical system checked and repaired
by an INFINITI retailer.
The holder also contains the fuses. For
checking and/or replacing, see an INFINITI
retailer.
Fusible links
If any electrical equipment does not
operate and fuses are in good condition,
check the fusible links. If any of these
fusible links are melted, replace only with
FUSES
Page 472 of 522
genuine INFINITI parts.
SDI2034
PASSENGER COMPARTMENT
CAUTION
Never use a fuse of a higher or lower
amperage rating than that specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not
operate, check for an open fuse.
1. Be sure the ignition switch is pushed tothe OFF or LOCK position and the
headlight switch is turned to OFF. 2. Open the fuse box lid.
3. Remove the fuse with the fuse puller
*A.
4. If the fuse is open, replace it with a new fuse.
5. If a new fuse also opens, have the electrical system checked and repaired
by an INFINITI retailer. Spare fuses are
stored in the fuse box.
Maintenance and do-it-yourself8-25
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8-26Maintenance and do-it-yourself
SDI2704
Extended storage fuse switch (if so
equipped)
To reduce battery drain, the extended
storage fuse switch comes from the factory
switched off. Prior to delivery of your
vehicle, the switch is pushed in (switched
on) and should always remain on. If any
electrical equipment does not operate,
remove the extended storage switch and
check for an open fuse.
If any electrical equipment does not
operate, remove the extended storage fuse
switch and check for an open fuse.NOTE:
If the extended storage fuse switch mal-
functions, or if the fuse is open, it is not
necessary to replace the switch. In this
case, remove the extended storage fuse
switch and replace it with a new fuse of
the same rating.
How to remove the extended storage fuse
switch:
1. To remove the extended storage switch,
be sure the ignition switch is in the OFF
or LOCK position.
2. Be sure the headlight switch is in the OFF position.
3. Remove the fuse box cover.
4. Pinch the locking tabs*1found on
each side of the storage fuse switch.
5. Pull the storage fuse switch straight out from the fuse box
*2.
CAUTION
Be careful not to allow children to swallow
the battery and removed parts.
INTELLIGENT KEY BATTERY REPLACEMENT
Page 494 of 522

15%.)
. E-15 fuel contains more than 10%
oxygenate. E-15 fuel will adversely
affect the emission control devices
and systems of the vehicle and should
not be used. Damage caused by such
fuel is not covered by the INFINITI New
Vehicle Limited Warranty.
. 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-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. Do not use E-
15 in your vehicle. U.S. government
regulations require fuel ethanol dispensing
pumps to be identified with small, square,
orange and black label with the common
abbreviation 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 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
Technical and consumer information9-5
Page 497 of 522
9-8Technical and consumer information
ENGINE
ModelVQ35HR
Type Gasoline, 4-cycle
Cylinder arrangement 6-cylinder, V-slanted at 608
Bore 6Stroke in (mm) 3.760
63.205
(95.5 681.4)
Displacement cu in (cm
3)213.45 (3,498)
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 FXE22HR11
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
VQ35HR engine
WHEELS AND TIRES
Road wheel
Type SizeOffset in (mm)
Conventional 18
68J 1.69 (43)
Spare 17
64T 1.18 (30)
SPECIFICATIONS
Page 509 of 522

9-20Technical and consumer information
online at:
https://wwwapps.tc.gc.ca/Saf-Sec-
Sur/7/PCDB-BDPP-Index.aspx.
Additional information concerning
motor vehicle safety may be obtained
from Transport Canada’s Road Safety
Information Centre at 1-800-333-
0371 or online at www.tc.gc.ca/road-
safety (English speakers) or www.tc.
gc.ca/securiteroutiere (French speak-
ers).
To notify INFINITI of any safety con-
cerns please contact our Consumer
Information Centre toll free at 1-800-
361-4792.Do not attempt to test the vehicle on a
dynamometer (such as the dynamometers
used by some states for emissions test-
ing), or similar equipment. Doing so may
cause damage to the drivetrain or the high
voltage battery. Make sure you inform test
facility personnel that your vehicle is
hybrid. Using the wrong test equipment
may result in drivetrain damage or un-
expected vehicle movement which could
result in serious vehicle damage or pear-
sonal injury.
Due to legal requirements in some states/
areas, your vehicle may be required to be
in what is called the“ready condition”for
an Inspection/Maintenance (I/M) test of
the emission control system.
The vehicle is set to the “ready condition”
when it is driven through certain driving
patterns. Usually, the “ready condition”
can be obtained by ordinary usage of the
vehicle.
If a powertrain system component is
repaired or the 12-volt battery is discon-
nected, the vehicle may be reset to a “not
ready condition”. Before taking the I/M
test, check the vehicle’s inspection/main-
tenance test readiness condition. Place the
ignition switch in the ON position without starting the engine. If the Malfunction
Indicator Light (MIL) comes on steady for
20 seconds and then blinks for 10
seconds, the I/M test condition is
“not
ready”. If the MIL does not blink after 20
seconds, the I/M test condition is “ready”.
Contact an INFINITI retailer to set the
“ready condition” or to prepare the vehicle
for testing.
READINESS FOR INSPECTION/
MAINTENANCE (I/M) TEST (US only)