code: function () {
  		var center = this.center,
  			chart = this.chart,
  			titleOptions = this.options.title;
  		
  		return { 
  			x: chart.plotLeft + center[0] + (titleOptions.x || 0), 
  			y: chart.plotTop + center[1] - ({ high: 0.5, middle: 0.25, low: 0 }[titleOptions.align] * 
  				center[2]) + (titleOptions.y || 0)  
  		};
  	}
docs: Find the position for the axis title, by default inside the gauge