1. To qualify for the Chevrolet member-only incentive during the Costco Auto Program Event, you must: (1) be a current Costco member by September 30, 2020; (2) register with Costco Auto Program online or through its call center to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to a Chevrolet dealer at time of visit; (4) take eligible, new retail delivery of a 2020 or 2021 Chevrolet Blazer, Colorado, Silverado 1500, Silverado 2500, Silverado 3500, Suburban, Tahoe or Traverse, or 2021 Chevrolet Trailblazer or 2020 or 2021 Chevrolet Bolt EV between October 1, 2020, and January 4, 2021. The member-only incentive will be applied at time of eligible purchase or lease and may be compatible with most publicly available Chevrolet incentives for which you qualify. This incentive cannot be combined with HR Voucher Coupon. Subject to change without notice.