When I had my D4 alignment locally without TT mode havnig been set, I removed the main air suspension fuse while the engine was running once it had levelled on the platform so that it couldn't re-level downwards during the alignment.  The alignment was just within tolerances but the tolerances are so generous that the tyres were wearing in multiple respects.  The operator set the alignment much closer to the nominal specs except for giving the left front a bit more caster.  I'll find out in a few months what the wear improvement is but it certainly steers left and right more evenly now.
				
			 
			
		 
			
				
			
			
				MY21.5 L405 D350 Vogue SE with 19s.  Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
			
			
		 
	
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