MaterialsIt is an ideal replacement case for broken or worn remotes, It is made of metal and plastic components and is wear-resistant and durable.Installationyou will need a tool such as a screwdriver or pliers to remove the key fob remote control unit housing. Next, you must transfer the existing remote key internals including the transponder trip, battery, and remote control, to the new key fob case (we do not supply these internals). Finally, the key blade needs to be cut by dealers. Key Fob Shell ReplacementNo programming is needed to replace key fob cases. When the key case is worn out, this is a good replacement key fob case and matches perfectly with the OEM key fob. The key fob cover button is fully responsive. It won't interfere with the use of the key fob.FitmentAn empty key fob cover shell compatible with Chevy Cruze 11-16/Malibu 13-16/ Impala 16-21/ Camaro 10-19/ Equinox 10-19/ Sonic 12-18/ GMC Terrain 10-22/ Buick LaCrosse 10-16/ Regal 11-17/ Verano 12-17/ Encore 14-22/ Allure 10-12. FCC ID: OHT01060512, V2T01060512.Note Please check that the button position and appearance of your car remote fob key are the same as our key case shell before you buy. The size of the key shell is 2.50x1.38x0.71 inches. Package Includes 1pc 4 button key fob case shell replacement,1pc keychain, 1pc mini screwdriver. ( with an uncut blank key blade ). No electronics or circuit board interior (No remote control/No battery/No transponder chip ).