Circuit/System Verification
WARNING: This page is about a different car, the 2010 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Attempt to program the keyless entry transmitter, refer to Remote Control Door Lock and Theft Deterrent Transmitter Programming (with Y41 - North America and Asia) or Remote Control Door Lock and Theft Deterrent Transmitter Programming (with Y41 - Canada and Europe) . The transmitter should program.