Hi all, new here. I just picked up a 1999 Vanden Plas tonite.Three questions I am looking for help with. First, I only got 1 key and remote.I am an E-bay seller and found remotes and keys there. I see people say the keys can be programmed. What does that mean? Second, Can any type of cell phones be made to work with the built in handsfree system? And finally, Is remote start standard on these cars? My Suburban starts by pressing lock and unlock at the same time. This didnt work for the car so I was wondering if there was another combination needed. Thanks for any help you can offer me.