No matter how concerned you are about the environment, if you own a vehicle, you've got to wash it. Road salt, tar, dirt and other residue builds up on a car's bodywork, tires, brake pedals and ...

One local car wash chain offers a similar multi-stage wax, tire shine, and underbody service with unlimited washes for $35 a month. This competitor offers access to a contactless wash system, ...

Car washes often offer extras. We talked to paint experts, car wash owners, professional detailers, and soap manufacturers to find out which ones you need—and where to save your money.