Where is the transmission drainplug on 1999 Honda Civic with a four cylinder and automatic?

On a 1999 Honda Civic with a four-cylinder engine and automatic transmission, the transmission drain plug is located on the bottom of the transmission case. It is typically a 17mm bolt, found towards the back of the transmission. To access it, you may need to raise the vehicle and use a socket wrench to remove the plug for draining the fluid. Always ensure the vehicle is securely supported before attempting any maintenance.