Dealer-installed retail tire purchase only. Limit one coupon per customer. Purchase tires between 4/1/12 and 4/30/12. Rebate form must be submitted by 5/1/12. Coupon valid only at Crater Lake Ford, Lincoln Mazda. Coupon not valid with any other offer. Must present coupon at time of purchase.  Coupon does not apply to prior purchases. See your Service Advisor for vehicle application and rebate details. Void where prohibited.