Do you want to Earn a Free Car Wash? Overland Carwash in the West L.A. city of Culver City offers new monthly auto detailing coupons ranging from waxing and polishing to other deals. Right now you can take advantage of the Free Carwash deal that earns you a free car wash when you pre-pay for 3 O.C.W. washes. Simply pre-pay for the washes at $99.99 and get today's wash completely free, a deal worth over $39!