car servicing in Tewkesbury Providing comprehensive car servicing in Tewkesbury, ETB Autocentres has affordable car service options perfect for your vehicle. Regular car servicing is important, and car owners generally will carry out a service approximately every 12,000 miles or once a year. Regular servicing keeps your vehicle in top condition, regularly serviced vehicles perform better, require fewer repairs throughout their lifetimes, and tend to have better fuel efficiency.