If you’ve lost your only car key, it is advisable to call on a professional automotive locksmith as a first step in addressing the problem. There might be instances when a locksmith will be able to provide a replacement of the car key even without the original car key available. Automotive locksmiths these days use a lot of advanced technology and can make a replacement of the key and program it for a wide range of cars based on the information about the car. Availability is dependent on the brand, make, year, and type of key used for the vehicle.