what can i use to remove old wax ????

[M.J]

i want to put a new layer of wax what kind of product should i use the clean my surface to apply new layer ???

[Murr1525]

To just remove old wax, any paint cleaner will do. For more of a full detail, you would want to use some clay, followed by a paint cleaner.

Be sure to give this a read:

Meguiar's 5-Step Paint Care Cycle

Step 1 Wash

Step 2 Clean

Step 3 Polish

Step 4 Protect

Step 5 Maintain