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Can you give me the make of this Honda? Accord?
Ok- The Maintenace Required light is pre-set to come on at certain milage intervals- most common.... It's time to change your oil! If you recently had an oil change, then most likely the shop who changed the oil didn't reset the light. You can do this yourself, and to keep a timely schedule, it should be reset after every oil change.
Maintenance Required Indicator
With the ignition switch OFF, press and hold the SELECT/RESET button, then turn the ignition switch ON (II).Hold button for at least 10 seconds, until the indicator resets.