Where is the engine block heater in a 1999 Honda Odyssey?

In a 1999 Honda Odyssey, the engine block heater is typically located on the engine block itself, near the lower front side. It is usually a cylindrical element that can be plugged into an electrical outlet for warming the engine during cold weather. If it's not immediately visible, you may need to look under the vehicle or consult the owner's manual for its exact location.