1988-1991 Turn the ignition to run (one position before starting engine). The oil life index…
Turn the ignition to run (one position before starting engine).
Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. If the CHANGE ENG OIL light flashes for 5 seconds, the system is reset. If the light does not flash, repeat the procedure.
Turn the ignition off and then start the engine to verify the indicator has been reset.