Your remote can either be repaired/serviced or replaced.
On occasions the damage can be fatal, particularly with Coca-Cola spillage!
If your control is a write off then
Best to see your local electrical retailer, Dick Smith for an example.
Maybe there are 4 remotes on the coffee table.
CD player, VCR, TV, Stereo system
One remote can handle up to 5 single remotes.
Learning REMOTES can be programmed to control what you wish.