Page 553 of 635

Vehicles operated in high temperatures or under
severe conditions require frequent checks of the
battery fluid level.
JUMP STARTING
If jump starting is necessary, refer to “Jump start-
ing” in the “In case of emergency” section of this
manual. If the engine does not start by jump
starting, the battery may have to be replaced. It is
recommended that you visit an INFINITI retailer
for this service.
1. Drive belt automatic tensioner pulley
2. Generator pulley
3. Air conditioner compressor pulley
4 Crankshaft pulley
WARNING
Be sure the ignition key is in the OFF or
LOCK position before servicing drive belt.
The engine could rotate unexpectedly.1. Visually inspect the belt for signs of unusual
wear, cuts, fraying or looseness. If the belt is
in poor condition or is loose, have it replaced
or adjusted. It is recommended that you visit
an INFINITI retailer for this service.
2. Have the belt checked regularly for condi-
tion and tension in accordance with the
maintenance schedule found in your
“INFINITI Service and Maintenance Guide”.
LDI2099
DRIVE BELT
Maintenance and do-it-yourself8-17
Page 554 of 635

REPLACING SPARK PLUGS
Iridium-tipped spark plugs
It is not necessary to replace iridium-tippedA
spark plugs as frequently as conventional type
spark plugs because they last much longer. Fol-
low the maintenance log shown in the “INFINITI
Service and Maintenance Guide”. Do not service
iridium-tipped spark plugs by cleaning or regap-
ping.
●Always replace spark plugs with rec-
ommended or equivalent ones.
WARNING
Be sure the engine and ignition switch are
off and that the parking brake is engaged
securely.
CAUTION
Be sure to use the correct socket to re-
move the spark plugs. An incorrect socket
can damage the spark plugs.
If replacement is required, it is recommended that
you visit an INFINITI retailer for this service.
WARNING
●Operating the engine with the air
cleaner filter off can cause you or others
to be burned. The air cleaner filter not
only cleans the intake air, it also stops
the flame if the engine backfires. If the
air cleaner is not installed and the en-
gine backfires, you could be burned.
Never drive with the air cleaner filter off.
Be cautious working on the engine
when the air cleaner is off.
SDI1895LDI2553
SPARK PLUGSAIR CLEANER
8-18Maintenance and do-it-yourself
Page 555 of 635

●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.
To remove the filter from the air cleaner, push the
tabs
Aand pull the cover upward.
The viscous paper type filter element should not
be cleaned and reused. Replace the air filter
according to the maintenance log shown in the
“INFINITI Service and Maintenance Guide.”
When replacing the air filter, wipe the inside of
the air cleaner housing and the cover with a damp
cloth.
NOTE:
After installing a new air cleaner, make
sure the air cleaner cover is seated in the
housing and latch the clips
A.
IN-CABIN MICROFILTER
The in-cabin microfilter restricts the entry of air-
borne dust and pollen particles and reduces
some objectionable outside odors. The filter is
located behind the glove box. Refer to the
“INFINITI Service and Maintenance Guide” for
change intervals.
If replacement is required, it is recommended that
you visit an INFINITI retailer for this service.
CLEANING
If your windshield is not clear after using the
windshield-washer or if a wiper blade chatters
when running, wax or other material may be on
the blade or windshield.
Clean the outside of the windshield with a washer
solution or a mild detergent. Your windshield is
clean if beads do not form when rinsing with clear
water.
Clean each blade by wiping it with a cloth soaked
in a washer solution or a mild detergent. Then
rinse the blades with clear water. If your wind-
shield is still not clear after cleaning the blades
and using the wiper, replace the blades.
CAUTION
Worn windshield wiper blades can dam-
age the windshield and impair driver
vision.
REPLACING
Replace the wiper blades if they are worn.
To replace the windshield wiper blades, follow
the procedure below:
1. Lift the wiper arm away from the windshield.
2. Push the release tab
B.
3. Move the wiper blade
Adown and remove.
4. Insert the new wiper blade onto the wiper
arm until it clicks into place.
5. Push wiper on to windshield.
LDI2757
WINDSHIELD WIPER BLADES
Maintenance and do-it-yourself8-19
Page 556 of 635
CAUTION
●After wiper blade replacement, return
the wiper arm to its original position;
otherwise it may be damaged when the
hood is opened.
●Make sure the wiper blades contact the
glass; otherwise the arms may be dam-
aged from wind pressure.
If you wax the surface of the hood, be careful not
to let wax get into the washer nozzle
D. This may
cause clogging or improper windshield-washer
operation. If wax gets into the nozzle, remove it
with a needle or small pin
C.
Rear window wiper blade
If checking or replacement is required, it is rec-
ommended that you visit an INFINITI retailer for
this service.
LDI2710
8-20Maintenance and do-it-yourself
Page 557 of 635

If the brakes do not operate properly, it is recom-
mended that you have the brakes checked. It is
recommended that you visit an INFINITI retailer
for this service.
Self-adjusting brakes
Your vehicle is equipped with self-adjusting
brakes.
The front and rear disc-type brakes self-adjust
every time the brake pedal is applied.
WARNING
Have your brake system checked if the
brake pedal height does not return to nor-
mal. It is recommended that you visit an
INFINITI retailer for this service.
Brake pad wear indicators
The disc brake pads on your vehicle have audible
wear indicators. When a brake pad requires re-
placement, a high pitched scraping or screech-
ing sound will be heard when the vehicle is in
motion. The noise will be heard whether or not the
brake pedal is depressed. Have the brakes
checked as soon as possible if the wear indicator
sound is heard.Under some driving or climate conditions, occa-
sional brake squeak, squeal or other noise may
be heard. Occasional brake noise during light to
moderate stops is normal and does not affect the
function or performance of the brake system.
Proper brake inspection intervals should
be followed.For additional information regard-
ing brake inspections, refer to the appropriate
maintenance schedule information in the
“INFINITI Service and Maintenance Guide”.
BRAKES
Maintenance and do-it-yourself8-21
Page 558 of 635

ENGINE COMPARTMENT
WARNING
Never use a fuse of higher or lower amper-
age rating than that specified on the fuse
box cover. This could damage the electri-
cal system or electronic control units or
cause a fire.
If any electrical equipment does not come on,
check for an open fuse.
1. Be sure the ignition switch and the headlight
switch are OFF.
2. Open the engine hood.3. Remove the fuse box cover by pushing the
tab and lifting the cover up.
4. Remove the fuse with the fuse puller. The
fuse puller is located in the fuse block in the
passenger compartment.5. If the fuse is open
A, replace it with a new
fuse
B.
6. If a new fuse also opens, have the electrical
system checked and repaired. It is recom-
mended that you visit an INFINITI retailer for
this service.
Fusible links
If the electrical equipment does not operate and
fuses are in good condition, check the fusible
links. If any of these fusible links are melted,
replace with only Genuine NISSAN parts.
LDI2267LDI0456
FUSES
8-22Maintenance and do-it-yourself
Page 559 of 635
PASSENGER COMPARTMENT
WARNING
Never use a fuse of higher or lower amper-
age rating than that specified on the fuse
box cover. This could damage the electri-
cal system or electronic control units or
cause a fire.If any electrical equipment does not operate,
check for an open fuse.
1. Be sure the ignition switch and the headlight
switch are OFF.
2. Pull the fuse box cover to remove.
3. Remove the fuse with the fuse puller.
4. If the fuse is open
A, replace it with an
equivalent good fuse
B.
5. Push the fuse box cover to install.
6. If a new fuse also opens, have the electrical
system checked and repaired. It is recom-
mended that you visit an INFINITI retailer for
this service.
LDI2092LDI0456
Maintenance and do-it-yourself8-23
Page 560 of 635
CAUTION
Be careful not to allow children to swallow
the battery or removed parts.
INFINITI INTELLIGENT KEY
Replace the battery in the Intelligent Key as fol-
lows:
1. Remove the mechanical key from the Intelli-
gent Key.
2. Insert a small flathead screwdriver
Ainto
the slit
Bof the corner and twist it to sepa-
rate the upper part from the lower part. Place
a cloth over the screwdriver to protect the
casing.
LDI2001
BATTERY REPLACEMENT
8-24Maintenance and do-it-yourself