On the purchase of 3 GM Original Equipment or ACDelco wiper blade or $5 p/wiper blade rebate. Must present coupon at time of write-up. Excludes tax and shop supplies, if applicable. Prior services excluded. Cannot be combined with any other offer. See dealer details and rebate form. Allow 6 to 8 weeks for delivery of debit card. Cannot be combined with any other offer. See dealer for details.