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Actually you can but it is not recommended in the owners manuel of the 986S. I would suggest looking in your owner manuel if you have one to see what it says. The chemicals will harm a plastic rear window but if it is a new Boxster with the glass window there shouldn't be a problem. Also, Porsche recommends that you only hand wash because convertible vehicles are never 100% water proof. No! The chemicals they use in the rinse are harmful to the paint and top.

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16y ago

What else can I help you with?