INFINITI EX 2012 Owners Manual

8-18Maintenance and do-it-yourself
GUID-AE6B98B2-820E-46ED-892B-D3D84FBE5412
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.
SDI2020
REPLACING SPARK PLUGSGUID-49D7E044-4B04-40E9-BA4E-CF0EA30A67B9

GUID-A762655D-D645-4C3F-90D2-925E81145437
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-yourself8-19
AIR CLEANER

8-20Maintenance and do-it-yourself
GUID-A37555B3-A7CF-470C-A82F-6EB00C4A167F
SDI2359
REPLACINGGUID-CC33F076-5352-485A-B942-6483BE320C2BCAUTION
.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 arm may be da-
maged from wind pressure.
WINDSHIELD WIPER BLADES

SDI2362
If you wax the surface of the hood, be
careful not to let wax get into the washer
nozzle
*A. This may cause clogging or
improper windshield washer operation. If
wax gets into the nozzle, remove it with a
needle or small pin
*B. Be careful not to
damage the nozzle.
GUID-649120FF-FDF1-4DE9-947A-89118AE5CBB4
WARNING
See an INFINITI retailer for a brake system
check if the brake pedal height does not
return to normal.
BRAKE PAD WEAR WARNINGGUID-3F7FA7AA-7243-4983-92EC-7DB214A694D8

8-22Maintenance and do-it-yourself
SDI1479A
ENGINE COMPARTMENTGUID-2567A0EE-46EB-453B-A8E4-EC8A4F7728D6
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.
Be sure the ignition switch is pushed to the
OFF or LOCK position and the headlight
switch is turned to OFF.1. Open the engine hood and remove the
battery cover.
2. Remove the fuse/fusible link holder
cover.
3. Remove the fuse with the fuse puller.
FUSES

SDI1754
4. If the fuse is open*A, replace it with a
new fuse
*B. Spare fuses are stored in
the passenger compartment fuse box.
5. If a new fuse also opens, have the electrical system checked and repaired
by an INFINITI retailer.
Fusible linksGUID-D68F7F2A-C051-4703-BF3D-2538DC1C2588
SDI2034
PASSENGER COMPARTMENTGUID-7BE21C6E-2FB4-4826-A46E-0409496E1464
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-yourself8-23

8-24Maintenance and do-it-yourself
SDI2704
Extended storage switch (if so
equipped)
GUID-0531E85F-E9C1-48A6-B6F7-0AEF2135AFE3
CAUTION
Be careful not to allow children to swallow
the battery and removed parts.
INTELLIGENT KEY BATTERY REPLACEMENT

SPA1875
Replace the battery as follows:
1. Release the lock knob at the back of theIntelligent Key and remove the mechan-
ical key.
2. Insert a flat-blade screwdriver
*Awrapped with a cloth into the slit*Bof the corner and twist it to separate
the upper part from the lower part.
SDI2285
3. Replace the battery with a new one.
Recommended battery: CR2032 or
equivalent.
.Do not touch the internal circuit andelectric terminals as it could cause a
malfunction.
.Hold the battery by the edges.
Holding the battery across the con-
tact points will seriously deplete the
storage capacity.
.Make sure that the + side faces thebottom of the case.
4. Align the tips of the upper and lower parts, and then push them together
until it is securely closed. 5. Push the buttons two or three times to
check its operation.
See an INFINITI retailer if you need any
assistance for replacement.
FCC Notice:
For USA:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions: (1) This device
may not cause harmful interference, and
(2) this device must accept any interfer-
ence received, including interference that
may cause undesired operation.
NOTE:
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s authority
to operate the equipment.
For Canada:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions: (1) this
device may not cause interference, and
(2) this device must accept any interfer-
ence, including interference that may
cause undesired operation of the device.
Maintenance and do-it-yourself8-25

8-26Maintenance and do-it-yourself
GUID-291CD2E0-8289-4BC3-BECF-D76791F5156C
SDI2192
1. Clearance light
2. Headlight (high-beam)
3. Headlight (low-beam)
4. Map light
5. Rear personal light
6. Fog light
7. Front turn signal light
8. Front side marker light
9. Puddle light
10. Step light
11. High-mounted stop light
12. Back-up light
13. Rear combination light (tail/stop/sidemarker light)
14. Cargo light (sidewall)
15. Cargo light (lift gate)
16. License plate light
17. Rear turn signal light
HEADLIGHTSGUID-36F0AB26-21DD-4A1C-84D5-06F4EA057FB4

WARNING
HIGH VOLTAGE
When xenon headlights are on, they pro-
duce a high voltage. To prevent an electric
shock, never attempt to modify or disas-
semble. Always have your xenon headlights
replaced at an INFINITI retailer. For addi-
tional information, see “Headlight and turn
signal switch” in the“2. Instruments and
controls” section.
Halogen headlight bulb (if so equipped):GUID-4D508F5D-FA8E-49D6-A9E2-6F8E76C17033
CAUTION
.High pressure halogen gas is sealed
inside the bulb. The bulb may break if
the glass envelope is scratched or the bulb is dropped.
. Only touch the plastic base when hand-
ling the bulb. Never touch the glass
envelope. Touching the glass could sig-
nificantly affect bulb life and/or head-
light performance.
. Do not leave the bulb out of the head-
light reflector for a long period of time
as dust, moisture, and smoke may enter
the headlight body and affect the
performance of the headlight.
. Aiming is not necessary after replacing
the bulb. When aiming adjustment is
necessary, contact an INFINITI retailer.
Maintenance and do-it-yourself8-27