Cadillac D3100066-oc 4btn Factory Oem Key Fob Keyless Entry Remote Alarm Replace on 2040-parts.com

Step 1: If you have a current remote, look on the back side of the remote for a part number and FCC ID number. If these numbers match what the remote you are purchasing then the remote will work with your vehicle. Some keyless entry remotes have these numbers on the inside of the remotes, so you will need to take the key fob apart. If you are unable to find the part number and FCC ID number then try giving your local dealership a call, ask for service, then ask them for your key fob part number.They will ask you for your vin # so have that handy. They should give them to you via fax, email, or have you pick them up.

Step 2: You will need to program your remote to your vehicle.The steps to program the key fob to your vehicle can be very simple, however some remotes will require a dealer or locksmith to program them to your vehicle. They will charge you for this, so be prepared to spend extra money for programming. You can find many vehicles programming instructions online at program your remote.If you do not see your vehicle's key fob programming instructions there then give your local dealership a call, ask for service, then ask them for the key fob programming instructions for your vehicle. They will probably ask you for your VIN number, so have that handy. Ask them if the key fobs are self programmable or do you have to have to have a machine to program it to your vehicle, this will let you know if you can program the key fob yourself or if you will have to pay the dealership or a locksmith to program the key fob to your vehicle.