If you take your registration and your Id into the parts department they can cut a new key for you, not sure on the cost but then you would need to do a relearn which you can do yourself just check YouTube for how to videos. If you need the keyless entry fob for it as well you can get them cheap online but then the dealer would have to program it both of these methods save you money.
Call the dealership.
Is it a pod or regular key
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