Infiniti QX: Spark plugs
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.
Replacing spark plugs

If replacement is required, see an INFINITI retailer for servicing.
Iridium-tipped spark plugs
It is not necessary to replace the iridiumtipped spark plugs as frequently as the conventional type spark plugs since they will last much longer. Follow the maintenance schedule in “INFINITI Service and Maintenance Guide”, but do not reuse them by cleaning or regapping. Always replace spark plugs with recommended or equivalent ones.
Drive belts
1. Power steering fluid pump
2. Water pump
3. Alternator
4. Crankshaft pulley
5. Air conditioner compressor
WARNING
Be sure the ignition switch is in the OFF or
LOCK position before se ...
Air cleaner
To remove the filter, release the lock pins
1 and pull the unit upward 2 .
The filter element should not be cleaned
and reused. Replace it according to the
maintenance intervals. See “INFI ...
See also:
Switching on the ignition
To turn on the ignition without starting the engine. Ensure the brake pedal is
not depressed, and with a valid Smart Key present in the vehicle, press the START/STOP
button and hold until the warn ...
Ashtrays
For vehicles with an ashtray, it is located in the center console near the cupholders.
Press on the access door to open it and use the ashtray.
Notice: If papers, pins, or other flammable items are ...
General notes
The LOW RANGE off-road gear assists you in
driving off-road and when fording. When LOW
RANGE is engaged, the engine’s performance
characteristics and the gearshifting
characteristics of the auto ...






