70 Offer valid with online bookings made November 26 to November 30, 2020 for appointments completed by December 31, 2020 at participating GM Canada Certified Service dealers. Discount of $10 off service appointment will be provided on completion of booked service at the time that the repair order and/or invoice is paid in full by the customer. Discount will be applied before applicable taxes. Offer not valid for warranty services. Offer available to retail customers only who have booked a Customer Pay service. At participating GM Canada dealers only. Conditions and limitations apply. See dealer for details.