Re Using Steam Cleaner

My Focus is over 5 years old and I recently bought a steam cleaner.
Is it best to use this before or after you have washed the car in order to
get rid of all gunch and dirt ready for a good waxing.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Site Timeline 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.