Authorized service center, auto repair workshop

You are free to choose where to go. And in ordinary shops qualified masters, and some kinds of works and spare parts are cheaper. In any case, it should be a reliable workshop.

The car is under warranty, you should check the appropriate authorized service center. Slight damage to paintwork or minor defects on the body you can eliminate at any service station (shop), but in this case you may not be able to claim under the guarantee in the event of repeated defects.