Warning/indicator lights and audible reminders
Nissan Altima / Nissan Altima Owners Manual / Instruments and controls / Warning/indicator lights and audible reminders

See also:
New for 2012
There are no significant changes for 2012.
...
Replacing spark plugs
Iridium-tipped spark plugs (if so equipped)
It is not necessary to replace iridium-tipped A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Follow
th ...
Key reminder chime
A chime sounds if the driver’s door is opened
while the ignition switch is placed in the ACC or
OFF position or placed in the OFF or LOCK
position with the Intelligent Key left in the Intelligent ...
