Honda Civic Owner's Manual page 186

Maintenance Minder
MAINTENANCE ITEM CODE(S)
ENGINE OIL MAINTENANCE
LIFE DISPLAY MINDER INDICATOR
If the remaining engine oil life is 15
to 6 percent, you will see the engine
oil life indicator every time you turn
the ignition switch to the ON (II)
position. The maintenance minder
indicator will also come on, and the
maintenance item code(s) for other
scheduled maintenance items
needing service will be displayed
next to the engine oil life indicator.
180
The maintenance item code or codes
indicate the main and sub items
required at the time of the oil change
(see page 185 ).
When the remaining engine oil life is
5 to 1 percent, you will see a
''SERVICE OIL LIFE'' message
along with the same maintenance
item code(s), every time you turn the
ignition switch to the ON (II)
position.