Garmin G3X Pilot's Manual page 276

Integrated Autopilot
ENGAGING THE INTEGRATED AUTOPILOT
An initial press of a softkey listed below (when the Integrated Autopilot is not
engaged) will engage the Integrated Autopilot with the listed lateral and vertical
modes (some modes may require an external navigator or NAV receiver):
NOTE: The External Autopilot Unit's "engage" button will activate the Integrated
Autopilot in its default modes. Refer to the appropriate vendor documentation for
more information.
Control Pressed
External Autopilot Unit
CWS Button (if equipped)
(press and hold)
AP HDG Softkey
AP NAV Softkey
AP ALT Softkey
AP VS Softkey
AP VNAV Softkey
AP APPR Softkey
The AP NAV and AP APPR Softkeys must have a valid VLOC signal or an active GPS
course to activate the integrated autopilot.
The AP VNAV Softkey must have an active flight plan and VNAV enabled to activate
the integrated autopilot.
258
Lateral
Mode/Annunciation
Roll Hold ROL
Roll Hold ROL
Heading HDG
GPS
Navigation VOR
LOC
Roll Hold ROL
Roll Hold ROL
Roll Hold ROL
GPS
Approach
LOC
Engaging the Integrated Autopilot
Garmin G3X Pilot's Guide
Modes Selected
Vertical
Mode/Annunciation
Pitch Hold
Pitch Hold
Pitch Hold
Pitch Hold
Altitude Hold
Vertical Speed
Vertical Navigation VNAV
Glidepath
Glideslope
PIT
PIT
PIT
PIT
ALT
VS
GP
GS
190-01115-00 Rev. G