In about a gallon of water use a couple of pumps/squirts of baby wash and a 'small splash' of vinegar. Dawn is a grease/oil stripper and might wash out natural tire oils. You could try it on the tires - definitely don't recommend it on the body of the coach.
On the coach body we use a new-generation chamois to wash the coach - when you wring it out before washing you don't need to dry anything, including windows, chrome, etc.
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Steve
2015 Itasca Ellipse QD | 2014 Jeep Grand Cherokee
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