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

See also:
Tachometer
The tachometer indicates engine speed in revolutions
per minute (rpm). Do not rev engine into
the red zone 1 .
CAUTION
When engine speed approaches the red
zone, shift to a higher gear or reduc ...
SENSE AND STYLE
Family Friendly (Not Really, Fair, Great, Excellent): Fair
Fun-Factor (None, Some, Good Times, Groove-On): Good Times ...
Octane rating tips
Using unleaded gasoline with an octane
rating lower than recommended can cause
persistent, heavy “spark knock.” (“Spark
knock” is a metallic rapping noise.) If severe,
this can lead to ...
