Try re-setting it again. Did you follow this procedure?
Unless reset, this message will continue to display each
time you turn the ignition switch to the ON/RUN
position or cycle the ignition to the ON/RUN position if
equipped with Keyless Enter-N-Go. To turn off the
message temporarily, press and release the MENU button.
To reset the oil change indicator system (after
performing the scheduled maintenance) refer to the following
procedure.
Vehicles Equipped With Keyless Enter-N-Go
1. Without pressing the brake pedal, push the ENGINE
START/STOP button and cycle the ignition to the
ON/RUN position (Do not start the engine.)
2. Fully depress the accelerator pedal, slowly, three times
within 10 seconds.
3. Without pressing the brake pedal, push the ENGINE
START/STOP button once to return the ignition to the
OFF/LOCK position.
Vehicles Not Equipped With Keyless Enter-N-Go
1. Turn the ignition switch to the ON/RUN position (Do
not start the engine.)
2. Fully depress the accelerator pedal, slowly, three times
within 10 seconds.
3. Turn the ignition switch to the OFF/LOCK position.
NOTE: If the indicator message illuminates when you
start the vehicle, the oil change indicator system did not
reset. If necessary, repeat this procedure.