Check the maintenance schedule for your vehicle (it's in the owner's manual or a separate booklet) to see what the manufacturer requires. Chances are everything you need could be done at a competent repair shop that is more convenient or less expensive than a dealership. Don't assume, however, that a dealer will always be more expensive. They may charge $40 or less to change the oil, rotate the tires, inspect the vitals and throw in a car wash.
It is important that you recognize the difference between an EIN and a DUNS number. Although the EIN number is used to report and pay taxes to the IRS, it is not used to establish credit for your business or to report your credit history to the credit bureaus.
Employer Identification Number. Before understanding what state tax ID numbers and wholesale account numbers are, you must understand what an EIN is. An EIN is also known as an FTIN (Federal Tax Identification Number). An EIN number is unique to your business and identifies your business to the IRS when paying business taxes in the same way that your Social Security number identifies you to the IRS when paying personal taxes.