How do you program the transponder key in 2009 Camry?

You have to take it to a programmer to program the keys. Lot of people believe that only the Toyota dealer has the technology to do so but that is not true for an automotive locksmith USUALLY has the same capability. Sometimes know or asking the right person may help you find someone that is good at programming the keys. Be sure to call and compare prices of the dealer, locksmith, etc. Sometimes the dealer is cheaper.