Well I live in the land of muddy-water-filled potholes in spring. My car looks like it's been off-roaded at the moment.
It is garaged, as well... But it gets dusty, even just sitting in the garage. And then, there's all the pollen, or when it's getting dark and you have the lights on and 8000 suicidal bugs are plastered on your bumper, or it rained the day before and there are puddles or the landscaping crew at work mows the lawn and gets wet grass all down the side of your car or... I tried to avoid all that stuff but then I never drove the car all summer, and that's just lame.
So usually I can keep it clean with a little quick detailer to get the dust/pollen off every week but sometimes I need something a little more heavy-duty. The CR system worked well for me last summer and I do have another refill of resin for it, but I did order some of the waterless wash and some Optimum No Rinse to try that out, for the "not off-roaded, but more than dusty" times.
