If you lose the ignition key to your car you will need to find the title to your car and bring it to a locksmith or key maker. With the VIN number they will be able to create a new key for your car. Bring your ID to identify yourself.
If you lost the ignition key to your car you should contact a dealer. The service department will likely have a suggested fix, especially if you recorded the key # information listed in the manual. Another suggestion would be to contact a locksmith who is able to handle auto related problems. Have an extra key made to prevent this problem again.
contact the dealer and for a price they can provide you with another copy of the key. Or you can contact a locksmith. go directly to the dealer and they should have your key information on record.