I can not set auto door locking on 2008 Accord V6L

Hi Everyone .

I have careful read the manual on how to set the auto door locking but I could never get it .

As I close the door ...put the shift at park position , turn the key on II stage... press and hold the lock button waiting for the second click to be heard , 5 second, 10, 20...even 30 second passed but the second click never come...

I have tried number of times but I fail ...If you know what the problem was , please tell me ...It would be much appreciated .

My car is Accord V6 Lux 2008 .

Thank you very much.