To open a garage door without power, use the emergency release cord, which disconnects the door from the opener. After pulling the cord, you can manually lift the door by gripping the handle at the bottom. Ensure the door is balanced and operate it carefully to avoid any damage.

If the power is out, you can open the garage door manually by pulling the emergency release cord to disconnect it from the opener. Lift the door by hand, but be cautious of its weight. Manual operation requires careful handling to avoid damage, and it's advisable to reconnect the opener once power is restored to resume automatic functionality.