FOB key reprogramming?

[BlueCollarTahoe]

Lost one FOB, have another that works. If i reprogram the 04 tahoe to the key, reset almost, will the lost one still work? instructions say you need all the FOBs together when you program them or it wont work but im not sure?

 

[jerryjoe28]

Lost one FOB, have another that works. If i reprogram the 04 tahoe to the key, reset almost, will the lost one still work? instructions say you need all the FOBs together when you program them or it wont work but im not sure?

you haft to reprogram them all at the same time.