Garmin G300 for Cessna SkyCatcher Pilot's Manual page 231

Integrated Autopilot
Selected Altitude Cap-
GPS Navigation Mode ture Mode Automatic
Automatic Transition Transition
Aircraft Symbol Indicates Left
Turn to Track GPS Course and Descent
to Intercept Selected Altitude
GPS Navigation Mode
Softkey
GPS Navigation Mode (PFD)
If Navigation Mode is active and either of the following occur, the
Integrated Autopilot reverts to Roll Hold Mode (wings rolled level):
• Active flight plan is deleted
• GPS reception is lost
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190-00921-00 Rev. E Garmin G300 Pilot's Guide