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:
How to select menus on the screen
Vehicle functions are viewed on the display
screen in menus. To select each key item,
highlight the preferred item using the
INFINITI controller and push the ENTER
button.
Whenever a menu ...
Vehicle identification number (VIN)
The vehicle identification number (VIN) can
be found in the following locations:
• on the vehicle identification plate
• at the lower edge of the windshield
In addition to being stamped on the ...
Dialing a number from the phone book
You can enter new telephone numbers into
the phone book via the mobile phone (see the
separate operating instructions). If your
mobile phone is operational, you can select
and dial a number from t ...






