If you always want to have total confidence in the safety and reliability of your vehicle, you should certainly take it for a general car maintenance service on a regular basis. In practice, that means at least once a year. With high mileage or heavy usage, the interval becomes shorter.
The most important benefit of keeping up proper car servicing is the feeling of absolute assurance that you have a safe vehicle. Neglecting servicing, or using providers who are an unknown quantity, could leave you with nagging doubts, and may even be inviting disaster.
In addition to the safety concerns, failing to get a check-up from an expert provider at the right time may make your car less than 100% reliable. Imagine standing on the side of the road with your family, waiting for a breakdown truck. Obviously, that is not a situation anyone wants to be in. So, book your car into a Bosch Car Service garage as soon as possible.
The RAC have put together a handy guide to help you identify when your car might be ready for a service.