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.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.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.Part Number: 35100-SDA-A71Application:For Honda CR-V 2002-2006For Honda elements 2003-2011For Honda Accord 2003-2007Does not fit 03-05 Civic 2-Door,Does not work with manual mission.Important Notice:Model Year Chip ModelAccord 03-05 48Accord 06-07 8EAccord 08-11 46 Electronic chipAccord 14-16 46 Electronic chipCRV 05-06 48CRV 07-11 46 Electronic chipFit 03-06 48Fit 07-08 8EFit 09-11 46 Electronic chipOdyssey 05-06 48Odyssey 07-11 46 Electronic chipCivic 03-05 48Civic 06-07 46 Electronic chipCivic 09-11 46 Electronic chipcolor:Silver + blackMaterial:MetalPackage Contents:1 x Ignition Switch Lock Cylinder2 x ponder Keys with 48 chipOnly the above package content, other products are not included.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.