How do you reset the check engine light on 2000 civic?

To reset the check engine light on a 2000 Honda Civic, you can disconnect the negative battery cable for about 15 minutes, then reconnect it. Alternatively, you can use an OBD-II scanner to clear the trouble codes, which will also turn off the light. If the light persists, it may indicate an underlying issue that needs to be addressed. Always ensure to check for any diagnostic trouble codes before resetting the light.