2012 INFINITI M-HEV spark plugs

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8 Maintenance and do-it-yourself
Maintenance requirement .................................... 8-2Scheduled maintenance .................................. 8-2
General maintenance....................................... 8-2
Where to go for service ................................... 8-2
General maintenance ........................................... 8-3 Explanation of maintenance items ................... 8-3
Maintenance precautions ..................................... 8-5
Engine compartment check locations ................... 8-7 VQ35HR engine ............................................... 8-7
Engine cooling system ......................................... 8-9
Checking engine coolant level ....................... 8-10
Changing engine coolant ............................... 8-10
Inverter cooling system...................................... 8-11
Checking inverter coolant level ...................... 8-12
Changing inverter coolant.............................. 8-12
Engine oil .......................................................... 8-12
Checking engine oil level............................... 8-12
Changing engine oil and filter ....................... 8-13
Automatic transmission fluid ............................. 8-15
Power steering fluid........................................... 8-15
Brake fluid......................................................... 8-16 Brake fluid .................................................... 8-16
Window washer fluid ......................................... 8-17 12-volt battery .................................................. 8-18
Checking battery fluid level.......................... 8-18
Jump starting ............................................... 8-19
Spark plugs ...................................................... 8-19 Replacing spark plugs ................................. 8-19
Air cleaner ........................................................ 8-20
Windshield wiper blades ................................... 8-21 Cleaning ...................................................... 8-21
Replacing..................................................... 8-21
Brakes .............................................................. 8-22
Self-adjusting brakes ................................... 8-22
Brake pad wear warning .............................. 8-22
Fuses ................................................................ 8-23
Engine compartment or trunk room.............. 8-23
Passenger compartment............................... 8-25
Intelligent Key battery replacement ................... 8-26
Lights................................................................ 8-28 Headlights ................................................... 8-28
Exterior and interior lights ........................... 8-29
Wheels and tires ............................................... 8-31
Tire pressure ............................................... 8-31
Tire labeling ................................................ 8-35
Types of tires............................................... 8-37
Tire chains ................................................... 8-38
Changing wheels and tires........................... 8-38
8 Maintenance and do-it-yourself
Maintenance requirement .................................... 8-2Scheduled maintenance .................................. 8-2
General maintenance....................................... 8-2
Where to go for service ................................... 8-2
General maintenance ........................................... 8-3 Explanation of maintenance items ................... 8-3
Maintenance precautions ..................................... 8-5
Engine compartment check locations ................... 8-7 VQ35HR engine ............................................... 8-7
Engine cooling system ......................................... 8-9
Checking engine coolant level ....................... 8-10
Changing engine coolant ............................... 8-10
Inverter cooling system...................................... 8-11
Checking inverter coolant level ...................... 8-12
Changing inverter coolant.............................. 8-12
Engine oil .......................................................... 8-12
Checking engine oil level............................... 8-12
Changing engine oil and filter ....................... 8-13
Automatic transmission fluid ............................. 8-15
Power steering fluid........................................... 8-15
Brake fluid......................................................... 8-16 Brake fluid .................................................... 8-16
Window washer fluid ......................................... 8-17 12-volt battery .................................................. 8-18
Checking battery fluid level.......................... 8-18
Jump starting ............................................... 8-19
Spark plugs ...................................................... 8-19 Replacing spark plugs ................................. 8-19
Air cleaner ........................................................ 8-20
Windshield wiper blades ................................... 8-21 Cleaning ...................................................... 8-21
Replacing..................................................... 8-21
Brakes .............................................................. 8-22
Self-adjusting brakes ................................... 8-22
Brake pad wear warning .............................. 8-22
Fuses ................................................................ 8-23
Engine compartment or trunk room.............. 8-23
Passenger compartment............................... 8-25
Intelligent Key battery replacement ................... 8-26
Lights................................................................ 8-28 Headlights ................................................... 8-28
Exterior and interior lights ........................... 8-29
Wheels and tires ............................................... 8-31
Tire pressure ............................................... 8-31
Tire labeling ................................................ 8-35
Types of tires............................................... 8-37
Tire chains ................................................... 8-38
Changing wheels and tires........................... 8-38

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JUMP STARTING
If jump starting is necessary, see“Jump
starting ”in the “6. In case of emergency ”
section. 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.
SDI2020
REPLACING SPARK PLUGS
If replacement is required, see an INFINITI
retailer for servicing.
Iridium-tipped spark plugs
It is not necessary to replace the iridium-
tipped spark plugs as frequently as the
conventional type spark plugs since they
will last much longer. Follow the main-
tenance schedule in “INFINITI Service and
Maintenance Guide ”, but do not reuse
them by cleaning or regapping.
Maintenance and do-it-yourself8-19
SPARK PLUGS
JUMP STARTING
If jump starting is necessary, see “Jump
starting ”in the “6. In case of emergency ”
section. 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.
SDI2020
REPLACING SPARK PLUGS
If replacement is required, see an INFINITI
retailer for servicing.
Iridium-tipped spark plugs
It is not necessary to replace the iridium-
tipped spark plugs as frequently as the
conventional type spark plugs since they
will last much longer. Follow the main-
tenance schedule in “INFINITI Service and
Maintenance Guide ”, but do not reuse
them by cleaning or regapping.
Maintenance and do-it-yourself8-19
SPARK PLUGS

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8-20Maintenance and do-it-yourself
Always replace spark plugs with recom-
mended or equivalent ones.
SDI2546
VQ35HR engine
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.
AIR CLEANER
8-20Maintenance and do-it-yourself
Always replace spark plugs with recom-
mended or equivalent ones.
SDI2546
VQ35HR engine
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.
AIR CLEANER

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Readiness for inspection/maintenance (I/M) test
(US only) .......................................................... 9-19
Rear door lockChild safety rear door lock ............................. 3-6
Rear pocket ...................................................... 2-54
Rear sunshade .................................................. 2-59
Rear window and outside mirror
defroster switch ................................................ 2-36
Rearview monitor .............................................. 4-26
Recorders Event data ................................................... 9-20
Regenerative brake ......................... Hybrid System-8
Registering your vehicle in another country ........ 9-8
Remote keyless entry system ............................ 3-14
Reporting safety defects ................................... 9-18
Rise-up and build-up ........................................ 5-96
Road accident cautions ................... Hybrid System-3
Roadside assistance program ............................. 6-2
Rollover .............................................................. 5-7
Roof Moonroof ..................................................... 2-58
S
Safety
Child seat belts ........................................... 1-18
Reporting safety defects .............................. 9-18
Satellite radio operation ................................... 4-61
Seat adjustment Front power seat adjustment .......................... 1-3
Front seats..................................................... 1-3 Seat belt(s)
Child safety ................................................. 1-18
Infants ......................................................... 1-19
Injured persons ........................................... 1-13
Larger children ............................................. 1-19
Precautions on seat belt usage .................... 1-11
Pre-crash seat belts with comfort function ... 1-13
Pregnant women .......................................... 1-13
Seat belt cleaning .......................................... 7-7
Seat belt extenders ...................................... 1-17
Seat belt maintenance ................................. 1-17
Seat belt warning light and chime ............... 2-15
Seat belts .................................................... 1-11
Seat belts with pretensioners ...................... 1-50
Shoulder belt height adjustment .................. 1-17
Small children ............................................. 1-19
Three-point type .......................................... 1-14
Seat synchronization function ........................... 3-29
Seat(s)
Climate controlled seats .............................. 2-45
Driver-side memory ...................................... 3-28
Heated seats ............................................... 2-44
Seats ............................................................. 1-2
Security system
Vehicle security system ................................ 2-31
Security system
(INFINITI Vehicle Immobilizer System) Engine start ................................................. 2-33
Selector lever Shift lock release ......................................... 5-16 Servicing air conditioner (See automatic
climate control) ................................................. 4-33
Servicing climate control ................................... 4-47
SETTING button ................................................. 4-16
Shift lock release, Transmission ........................ 5-16
SHIFT
“P ” warning ............................................ 2-22
Shifting ............................................................. 5-14
Automatic transmission ............................... 5-13
Shoulder belt height adjustment ....................... 1-17
SNOW mode ..................................................... 5-18
Spare tire ........................................................... 9-8
Spark plugs ...................................................... 8-19
Speedometer ...................................................... 2-6
SPORT mode ..................................................... 5-18
STANDARD mode ............................................... 5-18
Starting
Before starting the INFINITI Direct Response
Hybrid
TMSystem .......................................... 5-12
Jump starting ............................................... 8-19
Precautions when starting and driving ........... 5-3
Push starting ............................................... 6-11
Starting the INFINITI Direct Response
Hybrid
TMSystem .......................................... 5-12
Starting the INFINITI Direct Response
Hybrid
TMSystem ............................................... 5-12
Starting the vehicle ........................................... 5-13
STATUS button .................................................. 4-10
Status light, Front passenger air bag ................ 1-45
Steering Heated steering wheel ................................. 2-43
Power steering fluid ..................................... 8-15
10-7
Readiness for inspection/maintenance (I/M) test
(US only) .......................................................... 9-19
Rear door lockChild safety rear door lock ............................. 3-6
Rear pocket ...................................................... 2-54
Rear sunshade .................................................. 2-59
Rear window and outside mirror
defroster switch ................................................ 2-36
Rearview monitor .............................................. 4-26
Recorders Event data ................................................... 9-20
Regenerative brake ......................... Hybrid System-8
Registering your vehicle in another country ........ 9-8
Remote keyless entry system ............................ 3-14
Reporting safety defects ................................... 9-18
Rise-up and build-up ........................................ 5-96
Road accident cautions ................... Hybrid System-3
Roadside assistance program ............................. 6-2
Rollover .............................................................. 5-7
Roof Moonroof ..................................................... 2-58
S
Safety
Child seat belts ........................................... 1-18
Reporting safety defects .............................. 9-18
Satellite radio operation ................................... 4-61
Seat adjustment Front power seat adjustment .......................... 1-3
Front seats..................................................... 1-3 Seat belt(s)
Child safety ................................................. 1-18
Infants ......................................................... 1-19
Injured persons ........................................... 1-13
Larger children ............................................. 1-19
Precautions on seat belt usage .................... 1-11
Pre-crash seat belts with comfort function ... 1-13
Pregnant women .......................................... 1-13
Seat belt cleaning .......................................... 7-7
Seat belt extenders ...................................... 1-17
Seat belt maintenance ................................. 1-17
Seat belt warning light and chime ............... 2-15
Seat belts .................................................... 1-11
Seat belts with pretensioners ...................... 1-50
Shoulder belt height adjustment .................. 1-17
Small children ............................................. 1-19
Three-point type .......................................... 1-14
Seat synchronization function ........................... 3-29
Seat(s)
Climate controlled seats .............................. 2-45
Driver-side memory ...................................... 3-28
Heated seats ............................................... 2-44
Seats ............................................................. 1-2
Security system
Vehicle security system ................................ 2-31
Security system
(INFINITI Vehicle Immobilizer System) Engine start ................................................. 2-33
Selector lever Shift lock release ......................................... 5-16 Servicing air conditioner (See automatic
climate control) ................................................. 4-33
Servicing climate control ................................... 4-47
SETTING button ................................................. 4-16
Shift lock release, Transmission ........................ 5-16
SHIFT
“P ” warning ............................................ 2-22
Shifting ............................................................. 5-14
Automatic transmission ............................... 5-13
Shoulder belt height adjustment ....................... 1-17
SNOW mode ..................................................... 5-18
Spare tire ........................................................... 9-8
Spark plugs ...................................................... 8-19
Speedometer ...................................................... 2-6
SPORT mode ..................................................... 5-18
STANDARD mode ............................................... 5-18
Starting
Before starting the INFINITI Direct Response
Hybrid
TMSystem .......................................... 5-12
Jump starting ............................................... 8-19
Precautions when starting and driving ........... 5-3
Push starting ............................................... 6-11
Starting the INFINITI Direct Response
Hybrid
TMSystem .......................................... 5-12
Starting the INFINITI Direct Response
Hybrid
TMSystem ............................................... 5-12
Starting the vehicle ........................................... 5-13
STATUS button .................................................. 4-10
Status light, Front passenger air bag ................ 1-45
Steering Heated steering wheel ................................. 2-43
Power steering fluid ..................................... 8-15
10-7