At what time of the day or night are you having this problem with Mayville locked keys in car? This is something that you should pay attention to. There are times when you call for help from an auto locksmith, and your call will be treated as an emergency call. For such instances, you might have to pay a bit more because of the convenience. It is a good idea, therefore, to make sure that you at least have someone that you can rely on, someone who can help you out at any given time.