Today, most vehicles require the use of a transponder key to fire up the engine. Designed to prevent hot-wiring, these devices transmit a low-level radio frequency signal to the car. The car’s computer system recognizes this signal and allows the engine to start when the key is turned in the ignition or a remote start button is pressed. Since these devices are essential to starting your vehicle, it’s important for car owners to know how they work and what to do when they’re having trouble. To help shed more light on the subject, here are some helpful answers to frequently asked questions about transponder keys.

4 Transponder Key FAQ

How do I know if I have a transponder key?

You can usually tell you have a transponder device if the key has a plastic head attached at the top. This plastic component contains the small chip that transmits a signal to the vehicle. Your owner’s manual may also be a helpful resource in determining which type of key your car requires.

Is a transponder key the same as a smart key?

While both types of keys use advanced technology to prevent theft, they work differently. Smart keys are simply a fob, which you don’t need to remove from your pocket to unlock the door or start the engine. Once the car’s computer system recognizes the corresponding code in the fob, you can lock or unlock the doors and press the start engine button—no key required. 

Should I Purchase a New Transponder on the Internet?

If you’re looking to save money on your transponder key replacement, you may be tempted to buy a low-cost device online. However, these devices are not always guaranteed to work with your vehicle. Furthermore, most locksmiths and dealerships will not program these devices due to potential issues with the equipment.

What Do I Need to Get a New Transponder Key?

For the simplest transponder replacement, you’ll want to contact a mobile locksmith in your area. When professionals arrive, you will need to provide valid identification and vehicle registration to prove that you are the true owner of the car. But make sure you don’t have a spare set first—programing a new key may remove the ability for another transponder key to work on your vehicle. 

 

As a leading auto locksmith of the Piedmont-Triad area, Ability Lock & Key is a trusted resource for all your car key replacement needs. Specializing in mobile care, these professionals will come to your location backed with all the necessary equipment to program new transponder keys. To learn more about how this Winston-Salem, NC, locksmith can help address your auto lock and key problems, visit their website. For prompt assistance, call (336) 784-0226.