What do you clean with? Personally, I use a steam cleaner, it does a great job both inside and outside of the car. When choosing a steam cleaner, it's important to research and choose the one that best suits your needs. Initially, I was drawn to the Optima steamer because of its low price, but after reading reviews on Do not buy the Optima steamer before reading this
, I had second thoughts. The Optima steamer was compared to other models and was found to be lacking in performance.