2 Cars Monthly Unlimited Full Detail. The His & Her Membership deal is awesome. You can have a car and a SUV or a Car and a Truck. River District Auto Spa Unlimited His & Her Full Detail Wash Club provides unlimited full detail washes while your membership is active. River District Auto Spa reserves the right to cancel, amend, or change the program from time to time, as it feels necessary. No refunds or credits will be given for partial periods.