Acura RDX 2019 Owner's Manual page 172

uuOpening and Closing the TailgateuOpening/Closing the Power Tailgate
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Programming Tailgate Position
170
The extent to which the power tailgate
automatically opens can be programed.
To program:
1. Open the tailgate to the desired position.
u If you want to reprogram the power
tailgate to open all the way, manually
raise the tailgate to its upper most
position and follow the next step.
2. Press and hold the tailgate inner button
until you hear short two beeps following
one long buzzer.
1Programming Tailgate Position
If the tailgate is only slightly opened, the position
cannot be programmed, even if you push the inner
button.