Garmin G3X Touch Pilot's Manual page 208

Flight Planning
If Activate Vectors-to-Final is not selected, the G3X Touch creates a straight-line
course directly to the first waypoint in the approach.
Loading the approach cancels the Direct-to and initiates a route to the FAF.
Activating Vectors-to-Final (Active Approach):
1) With an approach 'active' in the Active Flight Plan, press the MENU key.
2) Touch Vectors.
Activating Vectors-to-Final (Loaded Approach):
1) With an approach 'loaded' in the Active Flight Plan, touch the MENU key.
2) Touch the desired approach button (Example: KMCI ILS 01L).
3) Touch Activate Vectors-to-Final.
Canceling Vectors-to-Final:
1) With Vectors-to-Final activated, press the MENU Key.
2) Touch Cancel Vectors-to-Final. Verify the green indicator clears.
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Garmin G3X Touch ™ Pilot's Guide for Certified Aircraft
190-02472-00 Rev. D