Read the paperwork! Don't take anybody's word for anything. Make sure all the blanks in the contract are filled in. Make sure you're paying what you agreed to pay in your earlier negotiations. And make sure you're not paying for anything you didn't agree to buy. Once you're certain both the car and the paperwork are in order, you're ready to sign the contracts and drive away.a. Does the VIN match what you agreed to purchase?b. Temporary tags.c. Loan documents.d. Bill of sale.e. Warranty overviewf. Do you have a business card for each of the dealership personnel you've worked with?g. Does your vehicle have a 24-hour roadside assistance program? What does it entail?h. The owner's manuals )i. Navi code and radio codes.j. Is the XM radio activated?I saw this on another forum. I made some changes to make it better for us.