How to sell Indodax?

Excuse me, I'm a bit new to the world of cryptocurrency trading and I'm having some trouble understanding how to sell my Indodax holdings. Could you please guide me through the process step-by-step? What are the essential steps I need to take to ensure a smooth and secure transaction? Also, are there any fees or taxes associated with selling Indodax, and if so, how do I go about paying them? Lastly, are there any specific things I should watch out for to avoid any potential scams or risks? I'd really appreciate your help in navigating this process.