Upon detecting that a vehicle is parked, based on data from at least one of a sensor and a component in the vehicle, determine a location of the vehicle. Upon detecting that a vehicle operator has exited the vehicle, based on data from at least one of a sensor and a component in the vehicle, determine if the key fob is in the vehicle. Upon detecting that the key fob is in the vehicle, and based on the location of the vehicle, schedule a message to a user device.