To enable the navi mode you have to add in most Audis +4 to the original value. In most cases the original value should be 1 (for radio) or 17 (for radio plus the cluster itself) which makes the final value 5 or 21.
openobd.org is one of the best sources for coding questions. Unfortunately do even the German pages not list in detail which options are possible for the A6/S6/RS6 (4B). But most of the 4B owners here added +4 to enable navigation.
openobd.org is one of the best sources for coding questions. Unfortunately do even the German pages not list in detail which options are possible for the A6/S6/RS6 (4B). But most of the 4B owners here added +4 to enable navigation.