Spark plugs

Be sure the engine and ignition switch

Be sure the engine and ignition switch are off and that the parking brake is engaged securely.

Be sure to use the correct socket to

Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs.

See also:

Fail-safe
If the vehicle is driven under extreme conditions, such as excessive wheel spinning and subsequent hard braking, the fail-safe system may be activated. The MIL may come on to indicate the fail-saf ...

Sun visors
(1) To block glare from the front, swing down the main sun visor.  (2)- To block glare from the side, remove the main sun visor from the center mount and swing the visor to the side. & ...

NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer System will not allow the engine to start without the use of a registered key. If the engine fails to start using a registered key (for example, when interference ...