TRW Automotive Benefits Service Center - 1.866.879.6026 or access http://netbenefits.fidelity.com with your Social Security Number and PIN.  If you need a PIN, click "New User Registration." Note: Have you moved recently? Planning a move? Please contact the TRW Automotive Benefits Service Center at 1.866.879.6026 as soon as possible to let them know your new address. Updating your address will insure you receive future communications from TRW Automotive and your medical plan.