Need to pay attention to check whether it is a unified official invoice and vehicle certificate. Without these two certificates, the car can't be licensed normally when driving back.
It's best to check whether the after-sales service manual is stamped with ODI chapter, so as not to affect the after-sales service of the car. Remember to ask for your first insurance card when you buy a car.
You can go back to the local area after buying a car, and the insurance on the card is handled locally.
The maintenance record is universal, and it is impossible for a 4S shop anywhere to refuse it.