To reset the 2013 MAZDA6 Maintenance light, please follow these instructions:
Turn the ignition to run (do not start the engine).
Press the UP or DOWN part of the INFO switch to highlight the SETTINGS menu and press the INFO button to confirm.
Scroll to MAINTENANCE and press the INFO button to confirm.
Scroll to the item that needs to be reset (SCHEDULED, TIRE ROTATION, TIRE PRESSURE) and confirm with the INFO button.
Scroll to SET TIME or SET DISTANCE and confirm with the INFO button.
Turn the ignition off and then start the engine to verify the indicator has been reset.