how to turn off the light mant. req.? on 2009 Toyota Tacoma

i did the oil change by my self and i try to turn it off but its still there...

Asked by for the 2009 Toyota Tacoma
Engine Oil Reset Procedure

Turn the engine switch OFF with the odometer reading shown.
Turn the engine switch to the ON position while holding down the trip meter reset button.
Continue to press and hold the button until the odometer displays 000000.
If the system fails to reset, the light will continue flashing.

ok i already did that!!! but the light that i mean is the ¨mant. req.¨ not the other with the xclamation sign (!)