There is a security code stored in

your key(chip). Your on board computer(ECU)  checks it. if doesn't match, you cann't start your car.

所有跟帖： 

• 那他後來配的這個沒芯片的($6)，不也能用嗎？還是隻是用來開行李箱？ -1passby- ♂ (71 bytes) () 04/06/2011 postreply 14:23:13

• some old cars don't have this feature. -nonego- ♂ (227 bytes) () 04/06/2011 postreply 17:20:18

• 備用鑰匙一樣能打開車 但是少個齒，打不開後蓋 -Lanyu- ♀ (0 bytes) () 04/06/2011 postreply 20:17:16