Transmitter Programming (North America, except Canada): Notes

2009 Cadillac STS Base, 4.6 A, RWDSECTION Notes
IMPORTANT: Do not operate or program the key fobs in the vicinity of other vehicles that are in the keyless entry program mode. This will prevent the programming of the key fobs to the incorrect vehicle.

There are 3 methods for programming key fobs. Up to 4 key fobs may be programmed to the remote control door lock receiver (RCDLR). Each programmed key fob is given a position of #1-#4 in the RCDLR memory.

The transmitter with #1 on top of it must be programmed first, and transmitter with #2 on top of it must be programmed second; either transmitter may be programmed as the third or fourth transmitter. When replacing a transmitter, ensure that a transmitter with the correct number on top of it gets ordered.

A "known" key fob is one that has already been programmed to the vehicle. It is very important that the fob which is to be programmed is NOT placed into the console fob pocket until the DIC correctly displays the fob number that you wish to program to.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.