I drove to work today, and then my wife took the car and continued driving to her work (so when we started the car, both keyfobs were in the car. I grabbed mine when I was dropped off). Now, my wife can't get into the car using the keyfob. She was able to get in using the tesla app, but could not start the car. The keyfob did not open the trunk or frunk either. That keyfob was last used on Saturday. The car is only 6 weeks old. Could the fob battery be dead already? Any other way to start the car if the fob is not recognized? If the fob is dead (and I don't know what else would cause these problems), I guess a call to tesla service is required? Anything else I/my wife can try?