Get the truck, update maintenance, then enjoy it. See if you need the AHC or not. Trailed my 570 since Day 1 from 20 OEM to 34/17 tires/wheels- never had a beat to change my AHC. Best of luck :)
2014 LX570 Hello- just wanting to know some inputs. Upon start up- loose coins sound by skid plate area esp when turning wheel both sides-intermittent- usually on cold starts. California weather. Decided to engage L4, H4, C/D- it engages and works but involves a chug sound once engaged. I...