Best rated auto MOT servicing in Reading: A full service is a complete check of the whole car, which should be carried out annually or every 12,000 miles. This type of service can take around 3 hours to complete. Air conditioning servicing – Just so you know, car services rarely cover your vehicle’s air conditioning system. A separate service to check and re-gas a vehicle’s air conditioning would need to be done by a specially trained technician. They have a mandatory qualification for air conditioning servicing which covers the possible hazards of refrigerant, including how to dispose of it. See …