How to Unlock Your Car Without a Locksmith It's a hassle to lock your keys inside your car. This is often the case when you need to be. Luckily, a 24 hour locksmith auto can assist. The process is more complicated than simply cutting a new key and programming it into your car. For starters, you have be able to prove the ownership of the vehicle in order to do this. Transponder Keys Many car manufacturers of the present have integrated transponder keys in their key system as a measure to prevent theft. These keys are helpful as they stop anyone from copying your keys without the right tools. The keys also come with the capability of transmitting radio frequency signals to your immobilizer to ensure that only authorized keys are able to start your auto car locksmith. It is crucial to determine if your vehicle is compatible with transponders before making a decision. You can check this by calling a professional automotive key locksmith locksmith and asking them about the year model, make, and model of your car.