Limited time only. Program may be discontinued at any time. One free Hoffman Car Wash per person. One offer per person and no duplicate e-mail addresses will be accepted (including alternate e-mail addresses). Terms and conditions may apply. New entries only. We have the right to refuse any request. Each coupon has been assigned a unique bar code. Once used, that bar code will be null and void. Certificates with a used bar code will not be accepted or honored. Coupon cannot be redeemed for cash. Face value of $24.00 may be used toward the cost of an upgrade to a car wash of your choice. Certificate may not be combined with any other coupons or offers.