In OFF setting

Reset using instrument cluster illumination knob. This resets remaining oil life to 5000 miles (8000 km).

Instrument Cluster illumination knob reset: 

1. Switch the ignition ON (engine off) and switch the display using the panel light control switch/tripmeter switch to display the odometer.
   CAUTION:

   • The tripmeter and average fuel economy are reset when the following procedures are performed with tripmeter A or B displayed.
2. Switch the ignition OFF (LOCK).
3. Press and hold the panel light control switch/tripmeter switch with the ignition switched off, then switch the ignition ON (engine off).
   • Keep pressing the panel light control switch/tripmeter switch for more than 7 s. 
     • Equipped without Multi-Information Display - Wrench indicator light blinks when reset is complete. 
     • Equipped with Multi-Information Display - No indication when reset is complete.
       Fig 1: Screen Display - Instrument Cluster Illumination Knob Reset

       Courtesy of MAZDA MOTORS CORP.