Aqua Head light Level Control Installation

I have Aqua 2012 G grade Car. It has Head light level control motors on both head light. Further checked It has headlight level control computer installed @ left corner of the dash board. I bought the head light level control Switch and fixed to the dash board in a spare slot and connected the original connecter too. Still the head light leveling not working. Please help me to get activated this option, Is there any fuse to be installed or Wt do I do????