Garmin G1000:Piper Pilot's Manual page 257

GPS NAVIGATION
8) With 'ACTIVATE PARALLEL TRACK' highlighted, press the ENT Key (Figure 5-134).
9) Press the FMS Knob or the CLR Key to remove the Parallel Track Window.
Figure 5-134 Activate PT Option
190-00692-00 Rev. B Garmin G1000 Pilot's Guide for Piper PA32 5-123