If you have a sl or exec its hard because it means a wiring harness change, berlina above is fairly easy as its all just a matter of plugging it all in.
yeah mines meant to be an exec, but there's a plug under the dash which is spare, which i'm positive is for cruise control. how hard is it to do if the plugs there, and what do u need to buy and wat $$$ are we lookin at overall
look at a calais in the engine bay at the actuator, there is a plug in the loom for it, if itd there on your car then its a plug in job, if its not its a big job to pull the dash and put berlina harness in.