Did you try the other key?

 

do you have a different key to try?

 

resync cas and ecu

 

worst time to lose the spare key...

 

do you have a key or fob? if its a fob, insert in ignition and hold it in for 30 seconds. then try starting.

 

If you have the spare key and the spare key adapter, you can use that as the fob into the dash. The spare key adapter looks sort of like the fob, but you can slip the spare key into it. The spare key has all the identification stuff needed to start the car.