Replacing Keyless Entry Transmitters
WARNING: This page is about a different car, the 2008 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.
If a keyless entry transmitter is replaced, the following procedure must be performed:
Keyless Entry Transmitter Programming-Refer to Transmitter Programming (N. America and Japan, except Canada) or Transmitter Programming (Canada and Europe) .