CADILLAC STS keyless entry remotes can cost up to $200 at your local dealership! Get those key fobs at 50% discount on our website. STS transmitters for your Cadillac with a 180-day money back guarantee. STS keyless transmitter can lock/unlock your doors, trunk and start your car on late model STS luxury models. Always shop online and save money on Cadillac STS keyless system controls.