Anyone in the car wash business knows that the spotless shine of the hood is just as important as the machinery that roars underneath it. However, getting rid of that grime and grease and road film requires thorough cleaning with the right products. Read our guide to the perfect car wash as we take your through each step of the automatic car wash process – from bug prep and presoak to wheels and the finishing touches – to show you what you need to get those cars gleaming as brightly as the day they were bought.