Friendly Chevrolet Buick - Service Center

I had a 10 appt for service & at 3:30 I stopped back by because I hadn’t heard anything & my vehicle had not been touched. Why did I have to make an appointment if you weren’t going to handle them in appoi because I hadn’t heard anything & my vehicle had not been touched. Why did I have to make an appointment if you weren’t going to handle them in appointment order. The service dept was unapologetic & had no answers. More