①. The keys have a chip inside of them. But the chip you will receive is 48, the chip key must match the engine computer in order to start the car, so you have to ask local locksmith to do that. This ignition switch comes with 2 keys. The chip is initialized. ②. In order to solve this issue you can: Have the key to the lock you ordered copied by a local locksmith, but ask them to program the chip to match the one in your old key. ③. If you do not have the old key a locksmith can connect a small machine to the OBD2 port in the vehicle and program the car to work with the key that came with the lock. ④. Part Number: 35100-SDA-A71 ⑤. Application: For Honda CR-V 2002-2006; For Honda elements 2003-2011; For Honda Accord 2003-2007; Does not fit 03-05 Civic 2-Door; Does not work with manual mission. ⑥. Important Notice: Model Year Chip Model - Accord 03-05 48; Accord 06-07 8E; Accord 08-11 46 Electronic chip; Accord 14-16 46 Electronic chip; CRV 05-06 48; CRV 07-11 46 Electronic chip; Fit 03-06 48; Fit 07-08 8E; Fit 09-11 46 Electronic chip; Odyssey 05-06 48; Odyssey 07-11 46 Electronic chip; Civic 03-05 48; Civic 06-07 46 Electronic chip; Civic 09-11 46 Electronic chip. ⑦. color: Silver + black ⑧. Material: Metal ⑨. Package Contents: 1 x Ignition Switch Lock Cylinder; 2 x ponder Keys with 48 chip; Only the above package content, other products are not included. ⑩. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.