1. To qualify for the Chevrolet Limited-Time Special, you must: (1) be a current Costco member by April 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 authorization code to the participating dealer at time of visit; (4) take delivery of a new and eligible 2019 and 2020 Chevrolet Silverado 1500, 2500 and 3500 or a 2019 or 2020 Chevrolet Tahoe or 2019, 2020 Suburban between May 1, 2020 and June 30, 2020 from a participating dealer to receive the $1,000 incentive. Incentive will be applied at time of eligible purchase or lease. Chevrolet Limited-Time Special is compatible with most publicly available Chevrolet incentives for which you qualify. Incentive cannot be combined with HR Voucher Coupon. Subject to change without notice.