ECCPP Replacement fit for Keyless Entry Remote Transmitter Control Key Fob Ford/Mazda/ Lincoln/Mercury Series WTWB1U212 (Pack of 1) ATTENTIONThis listing is for Replacement Keyless Entry Remote with electronics and battery. The use and function will be the same as the original unit. PARAMETERButtons: Lock,Unlock,Horn. The 3 Buttons Keyless Entry Kit with Interchange Part Number: WTWB1U212, CWTWB1U331, GQ43VT11T, CWTWB1U345. Other Part Number: 1788A-FWB1U345, 5925871. FITMENTPlease check Vehicle Fitment Chart for Body Style and other vehicle attributes. The Keyless Car Remote Replacement fits for 07-2014 Ford Edge,for 01-2014 Ford Escape,for 02 Ford Escort,for 00-2005 Ford Excursion,for 98-2014 Ford Expedition,for 98-2014 Ford Explorer,for 06-2008 Lincoln Mark LT,for 98-2003 Lincoln Navigator,for 01-2011 Mazda Tribute,for 05-2011 Mercury Mariner,for 04-2007 Mercury Montery, etc. More vehicles please check Production Description below. INSTALLATIONSome vehicle DIY programming procedure is not available. These vehicles require a diagnostic equipment to be connected to the vehicle to program the remote. Please find local automotive locksmith or a dealer for programming. The steps of programming can be found here based on the your vehicle year, make and model. Programming Instructions: http://freeremoteinstructions.com or http://www.keyfobprogram.com or http://www.programyourremote.com SERVICEIf you have any questions about our Keyless Fob Replacement, please contact our friendly, helpful, and knowledgeable customer service representatives, we will be glad to address any questions or concerns promptly.