90Offer valid from August 1, 2022 to September 30, 2022 at participating Chevrolet, GMC, Buick and Cadillac Certified Service dealers. Customers who receive a no-charge filters inspection during the offer period will be eligible for a $5 instant discount on new ACDelco cabin and engine air filters, for a potential total savings of $10. Instant discounts to be applied before applicable taxes. Customer must show proof of offer, via e-mail or www.mycertifiedservice.ca, to be eligible for instant discounts. Instant discounts may only be redeemed during same visit as no-charge inspection and cabin and/or engine air filters must be installed by the same dealer who completed the no-charge filters inspection. Discount can only be applied toward air filters installed on the same vehicle on which the no-charge filters inspection was completed; maximum $10 in instant discounts per vehicle. Offer available to retail customers only. Offer may not be combined with select Dealer specific incentives or promotions. GM Canada reserves the right to cancel, modify or amend the offer without notice. See dealer for details.