To reset the 2011 Acura CSX maintenance light, please follow these instructions:

1. Turn the ignition to (II) – do not start the engine.
2. Press the SEL/RESET button to the left of the steering wheel repeatedly until the engine oil life appears.
3. Press and hold the SEL/RESET button for more than 10 seconds until the engine oil life blinks.
4. Press the SEL/RESET button again for more than 5 seconds and the engine oil life will reset to 100.
5. Turn the ignition off and then start the engine to verify the indicator has been reset.