KeylessOption Keyless Entry Remote Control Car Key Fob Clicker for KPU41805 Model 41805 Mazda 6 Fully tested complete keyless entry remote key fob with a battery installed DIY step by step programming instructions included, fully tested ready to program Compatible with: KPU41805 Model 41805, For Mazda 6 03, 04, 05 Please verify vehicle is equipped with factory original keyless entry and match part number to original remote KeylessOption Warranty Card Included with each purchase,This is a replacement part to match the original in form and function