How do you reset the egr light on a 1986 Mazda b2000?

To reset the EGR light on a 1986 Mazda B2000, first ensure that the EGR system is functioning properly and any underlying issues are addressed. Disconnect the vehicle's battery for about 10-15 minutes to reset the onboard computer. Reconnect the battery, and then start the engine to check if the light has turned off. If the light persists, further diagnostics may be needed to identify any remaining issues with the EGR system.