I'm guessing calibration has been completed?
If so resetting the presets is as easy as setting your radio.
Set the height where you want. Press and hold the preset button till it tells you the preset has been saved.
Removing power will not remove programming.
Depending on software version it may take a few activations before it hits the preset dead on. This is due to the auto learning of the system (like fuel injection).
What software version do you have?
Do you have level sensors?
What were your old presets?
What are your new presets?
Just trying to get a little more info to help you sort this out.
Calibration should not be completed until the car is do e, but we can work with it from here. It just takes a little more time for it to relearn the car. (Like changing to bigger injectors on a fuel injected motor. It'll run , just not great right away.)
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