Does the key look like this? https://www.amazon.com/Dudely-Repla...argid=aud-800640527683:pla-634437310717&psc=1
If so, you still will need the key duplicated which takes a special key cutter (normally around $40-50 per key) and you will need the transponder programmed, typical fee of $60-150.
Open Wallet. Most places will throw the key in for free as a part of those other services.