You need something with some power, but less pressure than a power washer.

http://www.homemadesimple.com/sites/...roseries.shtml

 

What's all under that warranty?

 

Also if you wash it more than once every 3 months it will be easier to clean between washings and you won't need the power washer to get it clean.

 

The paint section of the warranty covers just that, the vehicle's paint, clearcoat, defects in workmanship.

My truck will be either wet sanded or repainted in about 12 spots due to defects in the factory paintwork... I have dust specs under the clearcoat.