Everything here is from the references shown below, with a few comments in an alternate color.
To view the FCS Synoptic Legend, refer to 03-13-190, FCS Synoptic Legend.
The FLT CTRL RESET switch can be used to reduce rudder pedal control forces if caused by a runaway or stuck yaw trim knob. Pressing the FLT CTRL RESET switch with a stuck yaw trim knob will zero out any yaw trim previously applied, permanently disable the yaw trim knob, and result in the Yaw Trim Fail (U) (caution) CAS message.
Gulfstream GVII-G500 Airplane Flight Manual, Revision 4, August 29, 2019
Gulfstream GVII-G500 Production Aircraft Systems, Revision 3, July 15, 2019
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