This is a Technical Journal: Climate system, high fan speed noise. Customer may experience a high fan speed noise regardless of the fan speed selection. This may be due to accidentally touching the 2nd row display. A new logic in the CCM software was implemented 2016w46, that allows rear climate display to start in default mode 72/72 Auto with fan level 2. This will take place after every restart of engine. Service: Perform Total Upgrade according to TJ-31543.