Honda 2009 Ridgeline Owner's Manual page 326

Maintenance Minder
U.S.
Canada
If the indicated required service is
not done and the remaining engine
oil life becomes 0%, the multi-
information display will show a
''SERVICE PAST DUE'' message,
the total mileage after the remaining
oil life became 0%, and the
maintenance item code(s).
320
To cancel the system message, press
and release the INFO ( / ) button
on the dashboard. At this time, the
system message indicator will
turned off. Then the display will
change to the engine oil life display.
The system message will appear
again by pressing the INFO ( / )
button after canceling it.
be
not
You will also see the system
message every time you turn the
ignition switch to the ON (II)
position until you have the indicated
maintenance performed by your
dealer.
Negative mileage means your
vehicle has passed the maintenance
required point.
Immediately have the service
performed, and make sure to reset
the display as described on page 321 .