Thank you for your purchase of our Buick (别克) car at Shanghai GM (上海通用汽车公司). We try our best to provide you with world-class service. To better ensure your rights, please complete and return the Owner Information Form to Shanghai G M Marketing Department within 30 days from the date of the car delivery (交付). You will receive our Buick Owner newsletter with the latest information on our product, after-sales service, car care, etc.