Programming MethordThe Instruction for Self-programming is Already on The Product Description or Referring Third Picture Website. Self-Programming Only Available for Vehicles, It's Easy To Follow Step by Step Programming by Yourself Via Refering Website.OEM-QualityMade of Premium Plastic Materials, Shockproof, Every Single Keyless Entry Remote Start Control Car Key Fob is Fully Pre-tested by Professional Locksmith Tools before Shipping. 100% New Brand Remote Control Car Key Fob, The Function is the Same as the Factory Original Car Key Fob and includes Remote Control Features Lock, Unlock, Trunk release, Panic alarm.ReplacementFor FCC ID:L2C0007T; P/N:10335582, 10335583, 10335585, 10335586, 10335587, 10335588, 9364556-4575; Frequency:315 MHZ ; Please Make Sure That Your Original Remote Has the Same Buttons on itPackage Include2x Keyless Entry Remote Start Control Key Fob with Electronics and Battery Pre-Installed.WARRANTYBuy with Confidence, 24-Months Warranty and Lifetime Support. If You Find They Don't Work or Any Problems, Just Feel Free to Contact us Anytime, We Will Arrange Free Refund or Return for YouCompatibilityCompatible with Buick Century 2001-2005/ Regal 2001-2004/ Rendezvous 2002-2007/ Oldsmobile Intrigue 2001-2002/ Pontiac Aztek 2001-2005/ Grand Prix 2001-2003. Please Check Our Product Description and Vehicle Fitment Tool for Full Compatible Vehicles List