There are 2 lean angle indicators. One is active and is a sliding graph that will increase when increasing lean angle and decrease when reducing the lean angle. The other is a numeric lean angle indicator that records the maximum the bike has leaned, both left and right. That will remain the same until you either lean more, which will increase the number, or you reset to zero. You can not set either of these indicators, you can only reset the 2nd which displays a numeric value. Does this help?