Honda Automobiles 2011 Ridgeline Owner's Manual page 322

Maintenance Minder
MAINTENANCE ITEM CODE(S)
When the remaining engine oil life is
15 percent or less, the display shows
a ''SERVICE DUE SOON'' message
along with the maintenance item
code(s) for other scheduled
maintenance items needing service.
318
TM
SYSTEM MESSAGE INDICATOR
U.S. model is shown.
The system message indicator on
the instrument panel will also come
on, and a beeper will sound.
2011 Ridgeline
To cancel the system message, press
and release the INFO ( / ) button
on the dashboard. At this time, the
system message indicator will also
be turned off. Then the display will
change to the engine oil life display.