The short answer is -- You can't.
Unless I'm very wrong about this,the VW Golf does not have a fuse! ( in my case I have a 1.8 GL 94)
It uses air-presure to lock and unlock the doors. I had this problem myself, with just the passengers door working. If you check all doors (at th hinge point were the cables are routed through the door to Door Pillar) you should find a tube thats disconected , it will be roughly the same size tubing as a drinking straw. The pump for the central locking system should be in the back, inside of the boot. Worth checking the connection there first if you have all- round central locking failiure.
Hope this helps.
Sven
Sven Moosebumps, August 2004