Garmin G3X Touch Pilot's Manual page 203

Adjusting the Active Flight Plan fuel:
1) From the Active Flight Plan, touch FPL Source > Internal if an external
navigator is configured.
2) Touch Plan Fuel.
3) Enter the desired value using the keypad and touch Enter.
Adjusting the Saved Flight Plan speed and fuel:
1) Press the MENU Key twice.
2) Touch Flight Plan List.
3) Touch the desired saved flight plan.
4) Touch Edit.
5) Touch Plan Fuel.
6) Enter the desired value using the keypad and touch Enter.
7) Touch Plan Spd.
8) Enter the desired value using the keypad and touch Enter.
Editing the Saved Flight Plan Name:
1) Press the MENU Key twice.
2) Touch Flight Plan List
3) Touch the desired saved flight plan.
190-01754-00 Rev. L
Plan Fuel
Garmin G3X Touch Pilot's Guide
Flight Planning
183