methods and apparatus are provided for interference reduction during keyless authentication . the apparatus includes a control system having a controller configured to detect an authentication event and deactivate at least one device within the vehicle . the control system is also configured to transmit an authentication command and to reactive the at least one device within the vehicle in response to receiving a valid authentication signal . the method includes an authentication method for a user to operate a vehicle wherein an authentication event is detected and at least one device within the vehicle is deactivated . an authentication command is transmitted and the at least one device within the vehicle is reactivated in response to receiving a valid authentication signal .