Join Date: Jul 2005
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Yes - don't use household detergent, even watered down. it will strip the wax off the paint.
Use any car shampoo/wax and you won't go too far wrong. You can also buy car shampoo specifically for pressure washers - i presume this is a "low foam" version.
Currently in SportTourer's garage:
2010 Laguna III SportTourer Initiale Tom Tom.