XUEMEI This listing is for 2 replacement key fob remote for select Chevrolet, GMC, Hummer, Cadillac vehicles that use LHJ011 keyless remote. Compatible with select models ESCALADE, AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON and more. Please check product description and vehicle fitment tool for compatibility information. A website link to free DIY programming instructions for the key fob and demonstration video will be provided with every order. Will work as replacement for your original remote key fob with FCC ID: LHJ011 and Part numbers: 21997127, 15186200 1, 15186201 2, 15132197 1, 15132198 2, 10377295, 22730827, 15186203 New complete working remote with all electronics and batteries included plus FREE tech support with every order. Every single keyless remote is tested before it is sent to make sure it is transmitting. Self-Programmable Remote Car Key Replacement An inexpensive replacement for your original remote key fob, the car key replacement is self-programmable and comes with easy do-it-yourself instructions to help you program your new car key at home. Enjoy keyless entry on a wide variety of vehicles from Cadillac, Chevrolet, GMC and Hummer. Each fob key has been pre-tested to ensure compatibility and that signals are transmitting properly. Every remote key fob comes complete with batteries and free tech support to help get your new smart key working. Compatibility: Cadillac Escalade 2003 - 2006 Chevrolet Avalanche 2003 - 2006 Chevrolet Silverado 2003 - 2006 Chevrolet Suburban 2003 - 2006 Chevrolet Tahoe 2003 - 2006 GMC Sierra 2003 - 2006 GMC Yukon 2003-2006 Hummer H2 2003-2006 2007 Chevrolet Silverado Classic Body Style How to Program your Keyless2Go Key Fob Replacement: Press each button on the remote 26 times (lock x 26, unlock x 26, horn x26) then attempt the steps outlined below 1. Close all doors on the vehicle. 2. Then insert key into the ignition. 3. Press and hold the power UNLOCK button on drivers side door panel. Do not release until instructed to do so in step 5. 4. Quickly turn the ignition ON, OFF, ON, OFF. (ON is the position just before of starting your vehicle, OFF is the position whereyou can pull your key out of the ignition) 5. Release the power unlock button on the drivers side door panel. The vehicle should respond by locking and unlocking automatically. 6. Hold the LOCK and UNLOCK buttons on the remote at the same time until door locks cycle again. This could take up to 30 seconds. 7. NOW repeat step 6. for all additional remotes including working ones. 8. TURN ignition to ON to exit programming mode. 9. Turn ignition OFF, remove key and test all remotes to make sure that they are all properly programmed. Size: 55 x 43 x 17mm Color: black Product Include: 2 x Car Key Cases Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.