汽车是大件商品，价值不菲，购买时一定要注意各种凭证是否齐全，以免将来有事无据可依。目前，您在购车时要注意向经销商索要的凭证主要有： 　　购车发票 购车发票是购车时最重要的证明，同时也是汽车上户时的凭证之一，所以在购车时您务必向经销商索要购车发票，并要确认其? Cars are large items, valuable, must pay attention to the purchase of a variety of vouchers are complete, in order to avoid any future without evidence. At present, you should pay attention to the car when you ask for the voucher to the dealer are: Purchase invoice Purchase invoice is the most important proof of the car, but also one of the car when the voucher, so be sure to ask the dealer when buying a car Purchase invoice, and to confirm it?