If you are wretched enough as to not have an extra key or you are unable to use it then your best bet is using a professional locksmith service provider. You need to ensure that before you pick a service that you don’t make use of just anyone. There are many people out there claiming to present cheap lockout solutions when really they are inexpert, unethical types who could do serious damage to your automobile.
Only make use of the services of a locksmith service provider that is fully certified and insured. Keep in mind that you are entrusting the home security and safety of your car with these people, so you require making sure they know what they are doing so that a dedicated open automobile service will be performed.