2003 - 2007 Lexus LX470 | GX470 Key fob Programming

For those who failed to program keyfob, they may have reached the maximum limit of programming their keyfob to the computer. In that case you would need to erase old keys. Maximum limit of key fob programming is 4.
Before you buy key fob for your Lexus, make sure you buy the one with correct FCC ID.
How do I find correct FCC ID?
It's always written on you original key fob.
Lexus LX470 and GX 470 from 2003 to 2007 has HYQ1512V FCC ID