2000 KIA Sephia

How do I change the spark plugs on a 2000 KIA Sephia, just turned over 100,000kms. Can't seem to find info regarding a service manual online or
other places either.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.