How do you reset the brain on a Lincoln zephyr?

To reset the brain on a Lincoln Zephyr, you typically need to disconnect the vehicle's battery. First, turn off the ignition and remove the key. Then, disconnect the negative battery cable and leave it disconnected for about 10-15 minutes. Reconnect the cable, and this should reset the vehicle's electronic systems. Always consult the owner's manual for specific instructions related to your model.