
 Originally Posted by 
jliquorish
					 
				 
				Discojeffster, I am only going on what user manual says. It says it autocallibrates on cold start whether trailer us attached or not. It then autocallibrates every time it turns on.
			
		 
	 
 I can only assume they’ve updated it since I got mine. I just read the latest manual and see what you’re saying. Mine doesn’t calibrate until I connect a trailer so the first 10 minutes it’s a bit **** with the trailer brake application.
				
			 
			
		 
			
				
			
			
				2010 TDV6 3.0L Discovery 4 HSE
2007 Audi RS4 (B7)
			
			
		 
	
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